ffmpeg / libavcodec / snow.c @ d23e3e5f
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/*
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* Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/intmath.h" |
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#include "avcodec.h" |
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#include "dsputil.h" |
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#include "dwt.h" |
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#include "snow.h" |
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#include "rangecoder.h" |
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#include "mathops.h" |
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#include "mpegvideo.h" |
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#include "h263.h" |
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#undef NDEBUG
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#include <assert.h> |
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static const int8_t quant3[256]={ |
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0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 44 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
| 48 |
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
| 49 |
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
| 50 |
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0, |
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}; |
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static const int8_t quant3b[256]={ |
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, |
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}; |
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static const int8_t quant3bA[256]={ |
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0, 0, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, |
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}; |
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static const int8_t quant5[256]={ |
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0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1,-1, |
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}; |
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static const int8_t quant7[256]={ |
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0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, |
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3, |
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3, |
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3, |
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3, |
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3, |
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2, |
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1, |
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}; |
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static const int8_t quant9[256]={ |
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0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
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3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4, |
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4, |
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4, |
| 138 |
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4, |
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4, |
| 140 |
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4, |
| 141 |
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3, |
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-1,-1, |
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}; |
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static const int8_t quant11[256]={ |
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0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
| 149 |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
| 150 |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
| 151 |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
| 152 |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
| 153 |
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5, |
| 154 |
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5, |
| 155 |
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5, |
| 156 |
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5, |
| 157 |
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5, |
| 158 |
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-4,-4, |
| 159 |
-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4, |
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-4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-1, |
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}; |
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static const int8_t quant13[256]={ |
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0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
| 165 |
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
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5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
| 167 |
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
| 168 |
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
| 169 |
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
| 170 |
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
| 171 |
-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6, |
| 172 |
-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6, |
| 173 |
-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6, |
| 174 |
-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6, |
| 175 |
-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-5, |
| 176 |
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5, |
| 177 |
-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5, |
| 178 |
-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-2,-2,-1, |
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}; |
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|
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#if 0 //64*cubic
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| 182 |
static const uint8_t obmc32[1024]={
|
| 183 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
| 184 |
0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0,
|
| 185 |
0, 0, 0, 4, 4, 4, 4, 8, 8, 12, 12, 12, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 8, 8, 4, 4, 4, 4, 0, 0, 0,
|
| 186 |
0, 0, 4, 4, 8, 8, 12, 16, 16, 20, 24, 24, 28, 28, 32, 32, 32, 32, 28, 28, 24, 24, 20, 16, 16, 12, 8, 8, 4, 4, 0, 0,
|
| 187 |
0, 0, 4, 8, 8, 12, 16, 24, 28, 32, 36, 40, 44, 48, 48, 48, 48, 48, 48, 44, 40, 36, 32, 28, 24, 16, 12, 8, 8, 4, 0, 0,
|
| 188 |
0, 4, 4, 8, 12, 20, 24, 32, 40, 44, 52, 56, 60, 64, 68, 72, 72, 68, 64, 60, 56, 52, 44, 40, 32, 24, 20, 12, 8, 4, 4, 0,
|
| 189 |
0, 4, 4, 12, 16, 24, 32, 40, 52, 60, 68, 76, 80, 88, 88, 92, 92, 88, 88, 80, 76, 68, 60, 52, 40, 32, 24, 16, 12, 4, 4, 0,
|
| 190 |
0, 4, 8, 16, 24, 32, 40, 52, 64, 76, 84, 92,100,108,112,116,116,112,108,100, 92, 84, 76, 64, 52, 40, 32, 24, 16, 8, 4, 0,
|
| 191 |
0, 4, 8, 16, 28, 40, 52, 64, 76, 88,100,112,124,132,136,140,140,136,132,124,112,100, 88, 76, 64, 52, 40, 28, 16, 8, 4, 0,
|
| 192 |
0, 4, 12, 20, 32, 44, 60, 76, 88,104,120,132,144,152,160,164,164,160,152,144,132,120,104, 88, 76, 60, 44, 32, 20, 12, 4, 0,
|
| 193 |
0, 4, 12, 24, 36, 48, 68, 84,100,120,136,152,164,176,180,184,184,180,176,164,152,136,120,100, 84, 68, 48, 36, 24, 12, 4, 0,
|
| 194 |
0, 4, 12, 24, 40, 56, 76, 92,112,132,152,168,180,192,204,208,208,204,192,180,168,152,132,112, 92, 76, 56, 40, 24, 12, 4, 0,
|
| 195 |
0, 4, 16, 28, 44, 60, 80,100,124,144,164,180,196,208,220,224,224,220,208,196,180,164,144,124,100, 80, 60, 44, 28, 16, 4, 0,
|
| 196 |
0, 8, 16, 28, 48, 64, 88,108,132,152,176,192,208,224,232,240,240,232,224,208,192,176,152,132,108, 88, 64, 48, 28, 16, 8, 0,
|
| 197 |
0, 4, 16, 32, 48, 68, 88,112,136,160,180,204,220,232,244,248,248,244,232,220,204,180,160,136,112, 88, 68, 48, 32, 16, 4, 0,
|
| 198 |
1, 8, 16, 32, 48, 72, 92,116,140,164,184,208,224,240,248,255,255,248,240,224,208,184,164,140,116, 92, 72, 48, 32, 16, 8, 1,
|
| 199 |
1, 8, 16, 32, 48, 72, 92,116,140,164,184,208,224,240,248,255,255,248,240,224,208,184,164,140,116, 92, 72, 48, 32, 16, 8, 1,
|
| 200 |
0, 4, 16, 32, 48, 68, 88,112,136,160,180,204,220,232,244,248,248,244,232,220,204,180,160,136,112, 88, 68, 48, 32, 16, 4, 0,
|
| 201 |
0, 8, 16, 28, 48, 64, 88,108,132,152,176,192,208,224,232,240,240,232,224,208,192,176,152,132,108, 88, 64, 48, 28, 16, 8, 0,
|
| 202 |
0, 4, 16, 28, 44, 60, 80,100,124,144,164,180,196,208,220,224,224,220,208,196,180,164,144,124,100, 80, 60, 44, 28, 16, 4, 0,
|
| 203 |
0, 4, 12, 24, 40, 56, 76, 92,112,132,152,168,180,192,204,208,208,204,192,180,168,152,132,112, 92, 76, 56, 40, 24, 12, 4, 0,
|
| 204 |
0, 4, 12, 24, 36, 48, 68, 84,100,120,136,152,164,176,180,184,184,180,176,164,152,136,120,100, 84, 68, 48, 36, 24, 12, 4, 0,
|
| 205 |
0, 4, 12, 20, 32, 44, 60, 76, 88,104,120,132,144,152,160,164,164,160,152,144,132,120,104, 88, 76, 60, 44, 32, 20, 12, 4, 0,
|
| 206 |
0, 4, 8, 16, 28, 40, 52, 64, 76, 88,100,112,124,132,136,140,140,136,132,124,112,100, 88, 76, 64, 52, 40, 28, 16, 8, 4, 0,
|
| 207 |
0, 4, 8, 16, 24, 32, 40, 52, 64, 76, 84, 92,100,108,112,116,116,112,108,100, 92, 84, 76, 64, 52, 40, 32, 24, 16, 8, 4, 0,
|
| 208 |
0, 4, 4, 12, 16, 24, 32, 40, 52, 60, 68, 76, 80, 88, 88, 92, 92, 88, 88, 80, 76, 68, 60, 52, 40, 32, 24, 16, 12, 4, 4, 0,
|
| 209 |
0, 4, 4, 8, 12, 20, 24, 32, 40, 44, 52, 56, 60, 64, 68, 72, 72, 68, 64, 60, 56, 52, 44, 40, 32, 24, 20, 12, 8, 4, 4, 0,
|
| 210 |
0, 0, 4, 8, 8, 12, 16, 24, 28, 32, 36, 40, 44, 48, 48, 48, 48, 48, 48, 44, 40, 36, 32, 28, 24, 16, 12, 8, 8, 4, 0, 0,
|
| 211 |
0, 0, 4, 4, 8, 8, 12, 16, 16, 20, 24, 24, 28, 28, 32, 32, 32, 32, 28, 28, 24, 24, 20, 16, 16, 12, 8, 8, 4, 4, 0, 0,
|
| 212 |
0, 0, 0, 4, 4, 4, 4, 8, 8, 12, 12, 12, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 8, 8, 4, 4, 4, 4, 0, 0, 0,
|
| 213 |
0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0,
|
| 214 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
| 215 |
//error:0.000022
|
| 216 |
};
|
| 217 |
static const uint8_t obmc16[256]={
|
| 218 |
0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0,
|
| 219 |
0, 4, 4, 8, 16, 20, 20, 24, 24, 20, 20, 16, 8, 4, 4, 0,
|
| 220 |
0, 4, 16, 24, 36, 44, 52, 60, 60, 52, 44, 36, 24, 16, 4, 0,
|
| 221 |
0, 8, 24, 44, 60, 80, 96,104,104, 96, 80, 60, 44, 24, 8, 0,
|
| 222 |
0, 16, 36, 60, 92,116,136,152,152,136,116, 92, 60, 36, 16, 0,
|
| 223 |
0, 20, 44, 80,116,152,180,196,196,180,152,116, 80, 44, 20, 0,
|
| 224 |
4, 20, 52, 96,136,180,212,228,228,212,180,136, 96, 52, 20, 4,
|
| 225 |
4, 24, 60,104,152,196,228,248,248,228,196,152,104, 60, 24, 4,
|
| 226 |
4, 24, 60,104,152,196,228,248,248,228,196,152,104, 60, 24, 4,
|
| 227 |
4, 20, 52, 96,136,180,212,228,228,212,180,136, 96, 52, 20, 4,
|
| 228 |
0, 20, 44, 80,116,152,180,196,196,180,152,116, 80, 44, 20, 0,
|
| 229 |
0, 16, 36, 60, 92,116,136,152,152,136,116, 92, 60, 36, 16, 0,
|
| 230 |
0, 8, 24, 44, 60, 80, 96,104,104, 96, 80, 60, 44, 24, 8, 0,
|
| 231 |
0, 4, 16, 24, 36, 44, 52, 60, 60, 52, 44, 36, 24, 16, 4, 0,
|
| 232 |
0, 4, 4, 8, 16, 20, 20, 24, 24, 20, 20, 16, 8, 4, 4, 0,
|
| 233 |
0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0,
|
| 234 |
//error:0.000033
|
| 235 |
};
|
| 236 |
#elif 1 // 64*linear
|
| 237 |
static const uint8_t obmc32[1024]={ |
| 238 |
0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, |
| 239 |
0, 4, 4, 4, 8, 8, 8, 12, 12, 16, 16, 16, 20, 20, 20, 24, 24, 20, 20, 20, 16, 16, 16, 12, 12, 8, 8, 8, 4, 4, 4, 0, |
| 240 |
0, 4, 8, 8, 12, 12, 16, 20, 20, 24, 28, 28, 32, 32, 36, 40, 40, 36, 32, 32, 28, 28, 24, 20, 20, 16, 12, 12, 8, 8, 4, 0, |
| 241 |
0, 4, 8, 12, 16, 20, 24, 28, 28, 32, 36, 40, 44, 48, 52, 56, 56, 52, 48, 44, 40, 36, 32, 28, 28, 24, 20, 16, 12, 8, 4, 0, |
| 242 |
4, 8, 12, 16, 20, 24, 28, 32, 40, 44, 48, 52, 56, 60, 64, 68, 68, 64, 60, 56, 52, 48, 44, 40, 32, 28, 24, 20, 16, 12, 8, 4, |
| 243 |
4, 8, 12, 20, 24, 32, 36, 40, 48, 52, 56, 64, 68, 76, 80, 84, 84, 80, 76, 68, 64, 56, 52, 48, 40, 36, 32, 24, 20, 12, 8, 4, |
| 244 |
4, 8, 16, 24, 28, 36, 44, 48, 56, 60, 68, 76, 80, 88, 96,100,100, 96, 88, 80, 76, 68, 60, 56, 48, 44, 36, 28, 24, 16, 8, 4, |
| 245 |
4, 12, 20, 28, 32, 40, 48, 56, 64, 72, 80, 88, 92,100,108,116,116,108,100, 92, 88, 80, 72, 64, 56, 48, 40, 32, 28, 20, 12, 4, |
| 246 |
4, 12, 20, 28, 40, 48, 56, 64, 72, 80, 88, 96,108,116,124,132,132,124,116,108, 96, 88, 80, 72, 64, 56, 48, 40, 28, 20, 12, 4, |
| 247 |
4, 16, 24, 32, 44, 52, 60, 72, 80, 92,100,108,120,128,136,148,148,136,128,120,108,100, 92, 80, 72, 60, 52, 44, 32, 24, 16, 4, |
| 248 |
4, 16, 28, 36, 48, 56, 68, 80, 88,100,112,120,132,140,152,164,164,152,140,132,120,112,100, 88, 80, 68, 56, 48, 36, 28, 16, 4, |
| 249 |
4, 16, 28, 40, 52, 64, 76, 88, 96,108,120,132,144,156,168,180,180,168,156,144,132,120,108, 96, 88, 76, 64, 52, 40, 28, 16, 4, |
| 250 |
8, 20, 32, 44, 56, 68, 80, 92,108,120,132,144,156,168,180,192,192,180,168,156,144,132,120,108, 92, 80, 68, 56, 44, 32, 20, 8, |
| 251 |
8, 20, 32, 48, 60, 76, 88,100,116,128,140,156,168,184,196,208,208,196,184,168,156,140,128,116,100, 88, 76, 60, 48, 32, 20, 8, |
| 252 |
8, 20, 36, 52, 64, 80, 96,108,124,136,152,168,180,196,212,224,224,212,196,180,168,152,136,124,108, 96, 80, 64, 52, 36, 20, 8, |
| 253 |
8, 24, 40, 56, 68, 84,100,116,132,148,164,180,192,208,224,240,240,224,208,192,180,164,148,132,116,100, 84, 68, 56, 40, 24, 8, |
| 254 |
8, 24, 40, 56, 68, 84,100,116,132,148,164,180,192,208,224,240,240,224,208,192,180,164,148,132,116,100, 84, 68, 56, 40, 24, 8, |
| 255 |
8, 20, 36, 52, 64, 80, 96,108,124,136,152,168,180,196,212,224,224,212,196,180,168,152,136,124,108, 96, 80, 64, 52, 36, 20, 8, |
| 256 |
8, 20, 32, 48, 60, 76, 88,100,116,128,140,156,168,184,196,208,208,196,184,168,156,140,128,116,100, 88, 76, 60, 48, 32, 20, 8, |
| 257 |
8, 20, 32, 44, 56, 68, 80, 92,108,120,132,144,156,168,180,192,192,180,168,156,144,132,120,108, 92, 80, 68, 56, 44, 32, 20, 8, |
| 258 |
4, 16, 28, 40, 52, 64, 76, 88, 96,108,120,132,144,156,168,180,180,168,156,144,132,120,108, 96, 88, 76, 64, 52, 40, 28, 16, 4, |
| 259 |
4, 16, 28, 36, 48, 56, 68, 80, 88,100,112,120,132,140,152,164,164,152,140,132,120,112,100, 88, 80, 68, 56, 48, 36, 28, 16, 4, |
| 260 |
4, 16, 24, 32, 44, 52, 60, 72, 80, 92,100,108,120,128,136,148,148,136,128,120,108,100, 92, 80, 72, 60, 52, 44, 32, 24, 16, 4, |
| 261 |
4, 12, 20, 28, 40, 48, 56, 64, 72, 80, 88, 96,108,116,124,132,132,124,116,108, 96, 88, 80, 72, 64, 56, 48, 40, 28, 20, 12, 4, |
| 262 |
4, 12, 20, 28, 32, 40, 48, 56, 64, 72, 80, 88, 92,100,108,116,116,108,100, 92, 88, 80, 72, 64, 56, 48, 40, 32, 28, 20, 12, 4, |
| 263 |
4, 8, 16, 24, 28, 36, 44, 48, 56, 60, 68, 76, 80, 88, 96,100,100, 96, 88, 80, 76, 68, 60, 56, 48, 44, 36, 28, 24, 16, 8, 4, |
| 264 |
4, 8, 12, 20, 24, 32, 36, 40, 48, 52, 56, 64, 68, 76, 80, 84, 84, 80, 76, 68, 64, 56, 52, 48, 40, 36, 32, 24, 20, 12, 8, 4, |
| 265 |
4, 8, 12, 16, 20, 24, 28, 32, 40, 44, 48, 52, 56, 60, 64, 68, 68, 64, 60, 56, 52, 48, 44, 40, 32, 28, 24, 20, 16, 12, 8, 4, |
| 266 |
0, 4, 8, 12, 16, 20, 24, 28, 28, 32, 36, 40, 44, 48, 52, 56, 56, 52, 48, 44, 40, 36, 32, 28, 28, 24, 20, 16, 12, 8, 4, 0, |
| 267 |
0, 4, 8, 8, 12, 12, 16, 20, 20, 24, 28, 28, 32, 32, 36, 40, 40, 36, 32, 32, 28, 28, 24, 20, 20, 16, 12, 12, 8, 8, 4, 0, |
| 268 |
0, 4, 4, 4, 8, 8, 8, 12, 12, 16, 16, 16, 20, 20, 20, 24, 24, 20, 20, 20, 16, 16, 16, 12, 12, 8, 8, 8, 4, 4, 4, 0, |
| 269 |
0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, |
| 270 |
//error:0.000020
|
| 271 |
}; |
| 272 |
static const uint8_t obmc16[256]={ |
| 273 |
0, 4, 4, 8, 8, 12, 12, 16, 16, 12, 12, 8, 8, 4, 4, 0, |
| 274 |
4, 8, 16, 20, 28, 32, 40, 44, 44, 40, 32, 28, 20, 16, 8, 4, |
| 275 |
4, 16, 24, 36, 44, 56, 64, 76, 76, 64, 56, 44, 36, 24, 16, 4, |
| 276 |
8, 20, 36, 48, 64, 76, 92,104,104, 92, 76, 64, 48, 36, 20, 8, |
| 277 |
8, 28, 44, 64, 80,100,116,136,136,116,100, 80, 64, 44, 28, 8, |
| 278 |
12, 32, 56, 76,100,120,144,164,164,144,120,100, 76, 56, 32, 12, |
| 279 |
12, 40, 64, 92,116,144,168,196,196,168,144,116, 92, 64, 40, 12, |
| 280 |
16, 44, 76,104,136,164,196,224,224,196,164,136,104, 76, 44, 16, |
| 281 |
16, 44, 76,104,136,164,196,224,224,196,164,136,104, 76, 44, 16, |
| 282 |
12, 40, 64, 92,116,144,168,196,196,168,144,116, 92, 64, 40, 12, |
| 283 |
12, 32, 56, 76,100,120,144,164,164,144,120,100, 76, 56, 32, 12, |
| 284 |
8, 28, 44, 64, 80,100,116,136,136,116,100, 80, 64, 44, 28, 8, |
| 285 |
8, 20, 36, 48, 64, 76, 92,104,104, 92, 76, 64, 48, 36, 20, 8, |
| 286 |
4, 16, 24, 36, 44, 56, 64, 76, 76, 64, 56, 44, 36, 24, 16, 4, |
| 287 |
4, 8, 16, 20, 28, 32, 40, 44, 44, 40, 32, 28, 20, 16, 8, 4, |
| 288 |
0, 4, 4, 8, 8, 12, 12, 16, 16, 12, 12, 8, 8, 4, 4, 0, |
| 289 |
//error:0.000015
|
| 290 |
}; |
| 291 |
#else //64*cos |
| 292 |
static const uint8_t obmc32[1024]={ |
| 293 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 294 |
0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 4, 4, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, |
| 295 |
0, 0, 0, 4, 4, 4, 4, 8, 8, 12, 12, 12, 12, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 8, 8, 4, 4, 4, 4, 0, 0, 0, |
| 296 |
0, 0, 4, 4, 4, 8, 8, 12, 16, 20, 20, 24, 28, 28, 28, 28, 28, 28, 28, 28, 24, 20, 20, 16, 12, 8, 8, 4, 4, 4, 0, 0, |
| 297 |
0, 0, 4, 4, 8, 12, 16, 20, 24, 28, 36, 40, 44, 44, 48, 48, 48, 48, 44, 44, 40, 36, 28, 24, 20, 16, 12, 8, 4, 4, 0, 0, |
| 298 |
0, 0, 4, 8, 12, 20, 24, 32, 36, 44, 48, 56, 60, 64, 68, 68, 68, 68, 64, 60, 56, 48, 44, 36, 32, 24, 20, 12, 8, 4, 0, 0, |
| 299 |
0, 4, 4, 8, 16, 24, 32, 40, 48, 60, 68, 76, 80, 84, 88, 92, 92, 88, 84, 80, 76, 68, 60, 48, 40, 32, 24, 16, 8, 4, 4, 0, |
| 300 |
0, 4, 8, 12, 20, 32, 40, 52, 64, 76, 84, 96,104,108,112,116,116,112,108,104, 96, 84, 76, 64, 52, 40, 32, 20, 12, 8, 4, 0, |
| 301 |
0, 4, 8, 16, 24, 36, 48, 64, 76, 92,104,116,124,132,136,140,140,136,132,124,116,104, 92, 76, 64, 48, 36, 24, 16, 8, 4, 0, |
| 302 |
0, 4, 12, 20, 28, 44, 60, 76, 92,104,120,136,148,156,160,164,164,160,156,148,136,120,104, 92, 76, 60, 44, 28, 20, 12, 4, 0, |
| 303 |
0, 4, 12, 20, 36, 48, 68, 84,104,120,140,152,168,176,184,188,188,184,176,168,152,140,120,104, 84, 68, 48, 36, 20, 12, 4, 0, |
| 304 |
0, 4, 12, 24, 36, 56, 76, 96,116,136,152,172,184,196,204,208,208,204,196,184,172,152,136,116, 96, 76, 56, 36, 24, 12, 4, 0, |
| 305 |
0, 4, 12, 24, 44, 60, 80,104,124,148,168,184,200,212,224,228,228,224,212,200,184,168,148,124,104, 80, 60, 44, 24, 12, 4, 0, |
| 306 |
0, 4, 12, 28, 44, 64, 84,108,132,156,176,196,212,228,236,240,240,236,228,212,196,176,156,132,108, 84, 64, 44, 28, 12, 4, 0, |
| 307 |
0, 4, 16, 28, 48, 68, 88,112,136,160,184,204,224,236,244,252,252,244,236,224,204,184,160,136,112, 88, 68, 48, 28, 16, 4, 0, |
| 308 |
1, 4, 16, 28, 48, 68, 92,116,140,164,188,208,228,240,252,255,255,252,240,228,208,188,164,140,116, 92, 68, 48, 28, 16, 4, 1, |
| 309 |
1, 4, 16, 28, 48, 68, 92,116,140,164,188,208,228,240,252,255,255,252,240,228,208,188,164,140,116, 92, 68, 48, 28, 16, 4, 1, |
| 310 |
0, 4, 16, 28, 48, 68, 88,112,136,160,184,204,224,236,244,252,252,244,236,224,204,184,160,136,112, 88, 68, 48, 28, 16, 4, 0, |
| 311 |
0, 4, 12, 28, 44, 64, 84,108,132,156,176,196,212,228,236,240,240,236,228,212,196,176,156,132,108, 84, 64, 44, 28, 12, 4, 0, |
| 312 |
0, 4, 12, 24, 44, 60, 80,104,124,148,168,184,200,212,224,228,228,224,212,200,184,168,148,124,104, 80, 60, 44, 24, 12, 4, 0, |
| 313 |
0, 4, 12, 24, 36, 56, 76, 96,116,136,152,172,184,196,204,208,208,204,196,184,172,152,136,116, 96, 76, 56, 36, 24, 12, 4, 0, |
| 314 |
0, 4, 12, 20, 36, 48, 68, 84,104,120,140,152,168,176,184,188,188,184,176,168,152,140,120,104, 84, 68, 48, 36, 20, 12, 4, 0, |
| 315 |
0, 4, 12, 20, 28, 44, 60, 76, 92,104,120,136,148,156,160,164,164,160,156,148,136,120,104, 92, 76, 60, 44, 28, 20, 12, 4, 0, |
| 316 |
0, 4, 8, 16, 24, 36, 48, 64, 76, 92,104,116,124,132,136,140,140,136,132,124,116,104, 92, 76, 64, 48, 36, 24, 16, 8, 4, 0, |
| 317 |
0, 4, 8, 12, 20, 32, 40, 52, 64, 76, 84, 96,104,108,112,116,116,112,108,104, 96, 84, 76, 64, 52, 40, 32, 20, 12, 8, 4, 0, |
| 318 |
0, 4, 4, 8, 16, 24, 32, 40, 48, 60, 68, 76, 80, 84, 88, 92, 92, 88, 84, 80, 76, 68, 60, 48, 40, 32, 24, 16, 8, 4, 4, 0, |
| 319 |
0, 0, 4, 8, 12, 20, 24, 32, 36, 44, 48, 56, 60, 64, 68, 68, 68, 68, 64, 60, 56, 48, 44, 36, 32, 24, 20, 12, 8, 4, 0, 0, |
| 320 |
0, 0, 4, 4, 8, 12, 16, 20, 24, 28, 36, 40, 44, 44, 48, 48, 48, 48, 44, 44, 40, 36, 28, 24, 20, 16, 12, 8, 4, 4, 0, 0, |
| 321 |
0, 0, 4, 4, 4, 8, 8, 12, 16, 20, 20, 24, 28, 28, 28, 28, 28, 28, 28, 28, 24, 20, 20, 16, 12, 8, 8, 4, 4, 4, 0, 0, |
| 322 |
0, 0, 0, 4, 4, 4, 4, 8, 8, 12, 12, 12, 12, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 8, 8, 4, 4, 4, 4, 0, 0, 0, |
| 323 |
0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 4, 4, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, |
| 324 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 325 |
//error:0.000022
|
| 326 |
}; |
| 327 |
static const uint8_t obmc16[256]={ |
| 328 |
0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, |
| 329 |
0, 0, 4, 8, 12, 16, 20, 20, 20, 20, 16, 12, 8, 4, 0, 0, |
| 330 |
0, 4, 12, 24, 32, 44, 52, 56, 56, 52, 44, 32, 24, 12, 4, 0, |
| 331 |
0, 8, 24, 40, 60, 80, 96,104,104, 96, 80, 60, 40, 24, 8, 0, |
| 332 |
0, 12, 32, 64, 92,120,140,152,152,140,120, 92, 64, 32, 12, 0, |
| 333 |
4, 16, 44, 80,120,156,184,196,196,184,156,120, 80, 44, 16, 4, |
| 334 |
4, 20, 52, 96,140,184,216,232,232,216,184,140, 96, 52, 20, 4, |
| 335 |
0, 20, 56,104,152,196,232,252,252,232,196,152,104, 56, 20, 0, |
| 336 |
0, 20, 56,104,152,196,232,252,252,232,196,152,104, 56, 20, 0, |
| 337 |
4, 20, 52, 96,140,184,216,232,232,216,184,140, 96, 52, 20, 4, |
| 338 |
4, 16, 44, 80,120,156,184,196,196,184,156,120, 80, 44, 16, 4, |
| 339 |
0, 12, 32, 64, 92,120,140,152,152,140,120, 92, 64, 32, 12, 0, |
| 340 |
0, 8, 24, 40, 60, 80, 96,104,104, 96, 80, 60, 40, 24, 8, 0, |
| 341 |
0, 4, 12, 24, 32, 44, 52, 56, 56, 52, 44, 32, 24, 12, 4, 0, |
| 342 |
0, 0, 4, 8, 12, 16, 20, 20, 20, 20, 16, 12, 8, 4, 0, 0, |
| 343 |
0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, |
| 344 |
//error:0.000022
|
| 345 |
}; |
| 346 |
#endif /* 0 */ |
| 347 |
|
| 348 |
//linear *64
|
| 349 |
static const uint8_t obmc8[64]={ |
| 350 |
4, 12, 20, 28, 28, 20, 12, 4, |
| 351 |
12, 36, 60, 84, 84, 60, 36, 12, |
| 352 |
20, 60,100,140,140,100, 60, 20, |
| 353 |
28, 84,140,196,196,140, 84, 28, |
| 354 |
28, 84,140,196,196,140, 84, 28, |
| 355 |
20, 60,100,140,140,100, 60, 20, |
| 356 |
12, 36, 60, 84, 84, 60, 36, 12, |
| 357 |
4, 12, 20, 28, 28, 20, 12, 4, |
| 358 |
//error:0.000000
|
| 359 |
}; |
| 360 |
|
| 361 |
//linear *64
|
| 362 |
static const uint8_t obmc4[16]={ |
| 363 |
16, 48, 48, 16, |
| 364 |
48,144,144, 48, |
| 365 |
48,144,144, 48, |
| 366 |
16, 48, 48, 16, |
| 367 |
//error:0.000000
|
| 368 |
}; |
| 369 |
|
| 370 |
static const uint8_t * const obmc_tab[4]={ |
| 371 |
obmc32, obmc16, obmc8, obmc4 |
| 372 |
}; |
| 373 |
|
| 374 |
static int scale_mv_ref[MAX_REF_FRAMES][MAX_REF_FRAMES]; |
| 375 |
|
| 376 |
typedef struct BlockNode{ |
| 377 |
int16_t mx; |
| 378 |
int16_t my; |
| 379 |
uint8_t ref; |
| 380 |
uint8_t color[3];
|
| 381 |
uint8_t type; |
| 382 |
//#define TYPE_SPLIT 1
|
| 383 |
#define BLOCK_INTRA 1 |
| 384 |
#define BLOCK_OPT 2 |
| 385 |
//#define TYPE_NOCOLOR 4
|
| 386 |
uint8_t level; //FIXME merge into type?
|
| 387 |
}BlockNode; |
| 388 |
|
| 389 |
static const BlockNode null_block= { //FIXME add border maybe |
| 390 |
.color= {128,128,128},
|
| 391 |
.mx= 0,
|
| 392 |
.my= 0,
|
| 393 |
.ref= 0,
|
| 394 |
.type= 0,
|
| 395 |
.level= 0,
|
| 396 |
}; |
| 397 |
|
| 398 |
#define LOG2_MB_SIZE 4 |
| 399 |
#define MB_SIZE (1<<LOG2_MB_SIZE) |
| 400 |
#define ENCODER_EXTRA_BITS 4 |
| 401 |
#define HTAPS_MAX 8 |
| 402 |
|
| 403 |
typedef struct x_and_coeff{ |
| 404 |
int16_t x; |
| 405 |
uint16_t coeff; |
| 406 |
} x_and_coeff; |
| 407 |
|
| 408 |
typedef struct SubBand{ |
| 409 |
int level;
|
| 410 |
int stride;
|
| 411 |
int width;
|
| 412 |
int height;
|
| 413 |
int qlog; ///< log(qscale)/log[2^(1/6)] |
| 414 |
DWTELEM *buf; |
| 415 |
IDWTELEM *ibuf; |
| 416 |
int buf_x_offset;
|
| 417 |
int buf_y_offset;
|
| 418 |
int stride_line; ///< Stride measured in lines, not pixels. |
| 419 |
x_and_coeff * x_coeff; |
| 420 |
struct SubBand *parent;
|
| 421 |
uint8_t state[/*7*2*/ 7 + 512][32]; |
| 422 |
}SubBand; |
| 423 |
|
| 424 |
typedef struct Plane{ |
| 425 |
int width;
|
| 426 |
int height;
|
| 427 |
SubBand band[MAX_DECOMPOSITIONS][4];
|
| 428 |
|
| 429 |
int htaps;
|
| 430 |
int8_t hcoeff[HTAPS_MAX/2];
|
| 431 |
int diag_mc;
|
| 432 |
int fast_mc;
|
| 433 |
|
| 434 |
int last_htaps;
|
| 435 |
int8_t last_hcoeff[HTAPS_MAX/2];
|
| 436 |
int last_diag_mc;
|
| 437 |
}Plane; |
| 438 |
|
| 439 |
typedef struct SnowContext{ |
| 440 |
|
| 441 |
AVCodecContext *avctx; |
| 442 |
RangeCoder c; |
| 443 |
DSPContext dsp; |
| 444 |
DWTContext dwt; |
| 445 |
AVFrame new_picture; |
| 446 |
AVFrame input_picture; ///< new_picture with the internal linesizes
|
| 447 |
AVFrame current_picture; |
| 448 |
AVFrame last_picture[MAX_REF_FRAMES]; |
| 449 |
uint8_t *halfpel_plane[MAX_REF_FRAMES][4][4]; |
| 450 |
AVFrame mconly_picture; |
| 451 |
// uint8_t q_context[16];
|
| 452 |
uint8_t header_state[32];
|
| 453 |
uint8_t block_state[128 + 32*128]; |
| 454 |
int keyframe;
|
| 455 |
int always_reset;
|
| 456 |
int version;
|
| 457 |
int spatial_decomposition_type;
|
| 458 |
int last_spatial_decomposition_type;
|
| 459 |
int temporal_decomposition_type;
|
| 460 |
int spatial_decomposition_count;
|
| 461 |
int last_spatial_decomposition_count;
|
| 462 |
int temporal_decomposition_count;
|
| 463 |
int max_ref_frames;
|
| 464 |
int ref_frames;
|
| 465 |
int16_t (*ref_mvs[MAX_REF_FRAMES])[2];
|
| 466 |
uint32_t *ref_scores[MAX_REF_FRAMES]; |
| 467 |
DWTELEM *spatial_dwt_buffer; |
| 468 |
IDWTELEM *spatial_idwt_buffer; |
| 469 |
int colorspace_type;
|
| 470 |
int chroma_h_shift;
|
| 471 |
int chroma_v_shift;
|
| 472 |
int spatial_scalability;
|
| 473 |
int qlog;
|
| 474 |
int last_qlog;
|
| 475 |
int lambda;
|
| 476 |
int lambda2;
|
| 477 |
int pass1_rc;
|
| 478 |
int mv_scale;
|
| 479 |
int last_mv_scale;
|
| 480 |
int qbias;
|
| 481 |
int last_qbias;
|
| 482 |
#define QBIAS_SHIFT 3 |
| 483 |
int b_width;
|
| 484 |
int b_height;
|
| 485 |
int block_max_depth;
|
| 486 |
int last_block_max_depth;
|
| 487 |
Plane plane[MAX_PLANES]; |
| 488 |
BlockNode *block; |
| 489 |
#define ME_CACHE_SIZE 1024 |
| 490 |
int me_cache[ME_CACHE_SIZE];
|
| 491 |
int me_cache_generation;
|
| 492 |
slice_buffer sb; |
| 493 |
|
| 494 |
MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to eventually make the motion estimation independent of MpegEncContext, so this will be removed then (FIXME/XXX)
|
| 495 |
|
| 496 |
uint8_t *scratchbuf; |
| 497 |
}SnowContext; |
| 498 |
|
| 499 |
#ifdef __sgi
|
| 500 |
// Avoid a name clash on SGI IRIX
|
| 501 |
#undef qexp
|
| 502 |
#endif
|
| 503 |
#define QEXPSHIFT (7-FRAC_BITS+8) //FIXME try to change this to 0 |
| 504 |
static uint8_t qexp[QROOT];
|
| 505 |
|
| 506 |
static inline void put_symbol(RangeCoder *c, uint8_t *state, int v, int is_signed){ |
| 507 |
int i;
|
| 508 |
|
| 509 |
if(v){
|
| 510 |
const int a= FFABS(v); |
| 511 |
const int e= av_log2(a); |
| 512 |
#if 1 |
| 513 |
const int el= FFMIN(e, 10); |
| 514 |
put_rac(c, state+0, 0); |
| 515 |
|
| 516 |
for(i=0; i<el; i++){ |
| 517 |
put_rac(c, state+1+i, 1); //1..10 |
| 518 |
} |
| 519 |
for(; i<e; i++){
|
| 520 |
put_rac(c, state+1+9, 1); //1..10 |
| 521 |
} |
| 522 |
put_rac(c, state+1+FFMIN(i,9), 0); |
| 523 |
|
| 524 |
for(i=e-1; i>=el; i--){ |
| 525 |
put_rac(c, state+22+9, (a>>i)&1); //22..31 |
| 526 |
} |
| 527 |
for(; i>=0; i--){ |
| 528 |
put_rac(c, state+22+i, (a>>i)&1); //22..31 |
| 529 |
} |
| 530 |
|
| 531 |
if(is_signed)
|
| 532 |
put_rac(c, state+11 + el, v < 0); //11..21 |
| 533 |
#else
|
| 534 |
|
| 535 |
put_rac(c, state+0, 0); |
| 536 |
if(e<=9){ |
| 537 |
for(i=0; i<e; i++){ |
| 538 |
put_rac(c, state+1+i, 1); //1..10 |
| 539 |
} |
| 540 |
put_rac(c, state+1+i, 0); |
| 541 |
|
| 542 |
for(i=e-1; i>=0; i--){ |
| 543 |
put_rac(c, state+22+i, (a>>i)&1); //22..31 |
| 544 |
} |
| 545 |
|
| 546 |
if(is_signed)
|
| 547 |
put_rac(c, state+11 + e, v < 0); //11..21 |
| 548 |
}else{
|
| 549 |
for(i=0; i<e; i++){ |
| 550 |
put_rac(c, state+1+FFMIN(i,9), 1); //1..10 |
| 551 |
} |
| 552 |
put_rac(c, state+1+9, 0); |
| 553 |
|
| 554 |
for(i=e-1; i>=0; i--){ |
| 555 |
put_rac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31 |
| 556 |
} |
| 557 |
|
| 558 |
if(is_signed)
|
| 559 |
put_rac(c, state+11 + 10, v < 0); //11..21 |
| 560 |
} |
| 561 |
#endif /* 1 */ |
| 562 |
}else{
|
| 563 |
put_rac(c, state+0, 1); |
| 564 |
} |
| 565 |
} |
| 566 |
|
| 567 |
static inline int get_symbol(RangeCoder *c, uint8_t *state, int is_signed){ |
| 568 |
if(get_rac(c, state+0)) |
| 569 |
return 0; |
| 570 |
else{
|
| 571 |
int i, e, a;
|
| 572 |
e= 0;
|
| 573 |
while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10 |
| 574 |
e++; |
| 575 |
} |
| 576 |
|
| 577 |
a= 1;
|
| 578 |
for(i=e-1; i>=0; i--){ |
| 579 |
a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31 |
| 580 |
} |
| 581 |
|
| 582 |
e= -(is_signed && get_rac(c, state+11 + FFMIN(e,10))); //11..21 |
| 583 |
return (a^e)-e;
|
| 584 |
} |
| 585 |
} |
| 586 |
|
| 587 |
static inline void put_symbol2(RangeCoder *c, uint8_t *state, int v, int log2){ |
| 588 |
int i;
|
| 589 |
int r= log2>=0 ? 1<<log2 : 1; |
| 590 |
|
| 591 |
assert(v>=0);
|
| 592 |
assert(log2>=-4);
|
| 593 |
|
| 594 |
while(v >= r){
|
| 595 |
put_rac(c, state+4+log2, 1); |
| 596 |
v -= r; |
| 597 |
log2++; |
| 598 |
if(log2>0) r+=r; |
| 599 |
} |
| 600 |
put_rac(c, state+4+log2, 0); |
| 601 |
|
| 602 |
for(i=log2-1; i>=0; i--){ |
| 603 |
put_rac(c, state+31-i, (v>>i)&1); |
| 604 |
} |
| 605 |
} |
| 606 |
|
| 607 |
static inline int get_symbol2(RangeCoder *c, uint8_t *state, int log2){ |
| 608 |
int i;
|
| 609 |
int r= log2>=0 ? 1<<log2 : 1; |
| 610 |
int v=0; |
| 611 |
|
| 612 |
assert(log2>=-4);
|
| 613 |
|
| 614 |
while(get_rac(c, state+4+log2)){ |
| 615 |
v+= r; |
| 616 |
log2++; |
| 617 |
if(log2>0) r+=r; |
| 618 |
} |
| 619 |
|
| 620 |
for(i=log2-1; i>=0; i--){ |
| 621 |
v+= get_rac(c, state+31-i)<<i;
|
| 622 |
} |
| 623 |
|
| 624 |
return v;
|
| 625 |
} |
| 626 |
|
| 627 |
static inline void unpack_coeffs(SnowContext *s, SubBand *b, SubBand * parent, int orientation){ |
| 628 |
const int w= b->width; |
| 629 |
const int h= b->height; |
| 630 |
int x,y;
|
| 631 |
|
| 632 |
int run, runs;
|
| 633 |
x_and_coeff *xc= b->x_coeff; |
| 634 |
x_and_coeff *prev_xc= NULL;
|
| 635 |
x_and_coeff *prev2_xc= xc; |
| 636 |
x_and_coeff *parent_xc= parent ? parent->x_coeff : NULL;
|
| 637 |
x_and_coeff *prev_parent_xc= parent_xc; |
| 638 |
|
| 639 |
runs= get_symbol2(&s->c, b->state[30], 0); |
| 640 |
if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3); |
| 641 |
else run= INT_MAX;
|
| 642 |
|
| 643 |
for(y=0; y<h; y++){ |
| 644 |
int v=0; |
| 645 |
int lt=0, t=0, rt=0; |
| 646 |
|
| 647 |
if(y && prev_xc->x == 0){ |
| 648 |
rt= prev_xc->coeff; |
| 649 |
} |
| 650 |
for(x=0; x<w; x++){ |
| 651 |
int p=0; |
| 652 |
const int l= v; |
| 653 |
|
| 654 |
lt= t; t= rt; |
| 655 |
|
| 656 |
if(y){
|
| 657 |
if(prev_xc->x <= x)
|
| 658 |
prev_xc++; |
| 659 |
if(prev_xc->x == x + 1) |
| 660 |
rt= prev_xc->coeff; |
| 661 |
else
|
| 662 |
rt=0;
|
| 663 |
} |
| 664 |
if(parent_xc){
|
| 665 |
if(x>>1 > parent_xc->x){ |
| 666 |
parent_xc++; |
| 667 |
} |
| 668 |
if(x>>1 == parent_xc->x){ |
| 669 |
p= parent_xc->coeff; |
| 670 |
} |
| 671 |
} |
| 672 |
if(/*ll|*/l|lt|t|rt|p){ |
| 673 |
int context= av_log2(/*FFABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1)); |
| 674 |
|
| 675 |
v=get_rac(&s->c, &b->state[0][context]);
|
| 676 |
if(v){
|
| 677 |
v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1); |
| 678 |
v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l&0xFF] + 3*quant3bA[t&0xFF]]); |
| 679 |
|
| 680 |
xc->x=x; |
| 681 |
(xc++)->coeff= v; |
| 682 |
} |
| 683 |
}else{
|
| 684 |
if(!run){
|
| 685 |
if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3); |
| 686 |
else run= INT_MAX;
|
| 687 |
v= 2*(get_symbol2(&s->c, b->state[0 + 2], 0-4) + 1); |
| 688 |
v+=get_rac(&s->c, &b->state[0][16 + 1 + 3]); |
| 689 |
|
| 690 |
xc->x=x; |
| 691 |
(xc++)->coeff= v; |
| 692 |
}else{
|
| 693 |
int max_run;
|
| 694 |
run--; |
| 695 |
v=0;
|
| 696 |
|
| 697 |
if(y) max_run= FFMIN(run, prev_xc->x - x - 2); |
| 698 |
else max_run= FFMIN(run, w-x-1); |
| 699 |
if(parent_xc)
|
| 700 |
max_run= FFMIN(max_run, 2*parent_xc->x - x - 1); |
| 701 |
x+= max_run; |
| 702 |
run-= max_run; |
| 703 |
} |
| 704 |
} |
| 705 |
} |
| 706 |
(xc++)->x= w+1; //end marker |
| 707 |
prev_xc= prev2_xc; |
| 708 |
prev2_xc= xc; |
| 709 |
|
| 710 |
if(parent_xc){
|
| 711 |
if(y&1){ |
| 712 |
while(parent_xc->x != parent->width+1) |
| 713 |
parent_xc++; |
| 714 |
parent_xc++; |
| 715 |
prev_parent_xc= parent_xc; |
| 716 |
}else{
|
| 717 |
parent_xc= prev_parent_xc; |
| 718 |
} |
| 719 |
} |
| 720 |
} |
| 721 |
|
| 722 |
(xc++)->x= w+1; //end marker |
| 723 |
} |
| 724 |
|
| 725 |
static inline void decode_subband_slice_buffered(SnowContext *s, SubBand *b, slice_buffer * sb, int start_y, int h, int save_state[1]){ |
| 726 |
const int w= b->width; |
| 727 |
int y;
|
| 728 |
const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16); |
| 729 |
int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT); |
| 730 |
int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
|
| 731 |
int new_index = 0; |
| 732 |
|
| 733 |
if(b->ibuf == s->spatial_idwt_buffer || s->qlog == LOSSLESS_QLOG){
|
| 734 |
qadd= 0;
|
| 735 |
qmul= 1<<QEXPSHIFT;
|
| 736 |
} |
| 737 |
|
| 738 |
/* If we are on the second or later slice, restore our index. */
|
| 739 |
if (start_y != 0) |
| 740 |
new_index = save_state[0];
|
| 741 |
|
| 742 |
|
| 743 |
for(y=start_y; y<h; y++){
|
| 744 |
int x = 0; |
| 745 |
int v;
|
| 746 |
IDWTELEM * line = slice_buffer_get_line(sb, y * b->stride_line + b->buf_y_offset) + b->buf_x_offset; |
| 747 |
memset(line, 0, b->width*sizeof(IDWTELEM)); |
| 748 |
v = b->x_coeff[new_index].coeff; |
| 749 |
x = b->x_coeff[new_index++].x; |
| 750 |
while(x < w){
|
| 751 |
register int t= ( (v>>1)*qmul + qadd)>>QEXPSHIFT; |
| 752 |
register int u= -(v&1); |
| 753 |
line[x] = (t^u) - u; |
| 754 |
|
| 755 |
v = b->x_coeff[new_index].coeff; |
| 756 |
x = b->x_coeff[new_index++].x; |
| 757 |
} |
| 758 |
} |
| 759 |
|
| 760 |
/* Save our variables for the next slice. */
|
| 761 |
save_state[0] = new_index;
|
| 762 |
|
| 763 |
return;
|
| 764 |
} |
| 765 |
|
| 766 |
static void reset_contexts(SnowContext *s){ //FIXME better initial contexts |
| 767 |
int plane_index, level, orientation;
|
| 768 |
|
| 769 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 770 |
for(level=0; level<MAX_DECOMPOSITIONS; level++){ |
| 771 |
for(orientation=level ? 1:0; orientation<4; orientation++){ |
| 772 |
memset(s->plane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state));
|
| 773 |
} |
| 774 |
} |
| 775 |
} |
| 776 |
memset(s->header_state, MID_STATE, sizeof(s->header_state));
|
| 777 |
memset(s->block_state, MID_STATE, sizeof(s->block_state));
|
| 778 |
} |
| 779 |
|
| 780 |
static int alloc_blocks(SnowContext *s){ |
| 781 |
int w= -((-s->avctx->width )>>LOG2_MB_SIZE);
|
| 782 |
int h= -((-s->avctx->height)>>LOG2_MB_SIZE);
|
| 783 |
|
| 784 |
s->b_width = w; |
| 785 |
s->b_height= h; |
| 786 |
|
| 787 |
av_free(s->block); |
| 788 |
s->block= av_mallocz(w * h * sizeof(BlockNode) << (s->block_max_depth*2)); |
| 789 |
return 0; |
| 790 |
} |
| 791 |
|
| 792 |
static inline void copy_rac_state(RangeCoder *d, RangeCoder *s){ |
| 793 |
uint8_t *bytestream= d->bytestream; |
| 794 |
uint8_t *bytestream_start= d->bytestream_start; |
| 795 |
*d= *s; |
| 796 |
d->bytestream= bytestream; |
| 797 |
d->bytestream_start= bytestream_start; |
| 798 |
} |
| 799 |
|
| 800 |
static inline void set_blocks(SnowContext *s, int level, int x, int y, int l, int cb, int cr, int mx, int my, int ref, int type){ |
| 801 |
const int w= s->b_width << s->block_max_depth; |
| 802 |
const int rem_depth= s->block_max_depth - level; |
| 803 |
const int index= (x + y*w) << rem_depth; |
| 804 |
const int block_w= 1<<rem_depth; |
| 805 |
BlockNode block; |
| 806 |
int i,j;
|
| 807 |
|
| 808 |
block.color[0]= l;
|
| 809 |
block.color[1]= cb;
|
| 810 |
block.color[2]= cr;
|
| 811 |
block.mx= mx; |
| 812 |
block.my= my; |
| 813 |
block.ref= ref; |
| 814 |
block.type= type; |
| 815 |
block.level= level; |
| 816 |
|
| 817 |
for(j=0; j<block_w; j++){ |
| 818 |
for(i=0; i<block_w; i++){ |
| 819 |
s->block[index + i + j*w]= block; |
| 820 |
} |
| 821 |
} |
| 822 |
} |
| 823 |
|
| 824 |
static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){ |
| 825 |
const int offset[3]= { |
| 826 |
y*c-> stride + x, |
| 827 |
((y*c->uvstride + x)>>1),
|
| 828 |
((y*c->uvstride + x)>>1),
|
| 829 |
}; |
| 830 |
int i;
|
| 831 |
for(i=0; i<3; i++){ |
| 832 |
c->src[0][i]= src [i];
|
| 833 |
c->ref[0][i]= ref [i] + offset[i];
|
| 834 |
} |
| 835 |
assert(!ref_index); |
| 836 |
} |
| 837 |
|
| 838 |
static inline void pred_mv(SnowContext *s, int *mx, int *my, int ref, |
| 839 |
const BlockNode *left, const BlockNode *top, const BlockNode *tr){ |
| 840 |
if(s->ref_frames == 1){ |
| 841 |
*mx = mid_pred(left->mx, top->mx, tr->mx); |
| 842 |
*my = mid_pred(left->my, top->my, tr->my); |
| 843 |
}else{
|
| 844 |
const int *scale = scale_mv_ref[ref]; |
| 845 |
*mx = mid_pred((left->mx * scale[left->ref] + 128) >>8, |
| 846 |
(top ->mx * scale[top ->ref] + 128) >>8, |
| 847 |
(tr ->mx * scale[tr ->ref] + 128) >>8); |
| 848 |
*my = mid_pred((left->my * scale[left->ref] + 128) >>8, |
| 849 |
(top ->my * scale[top ->ref] + 128) >>8, |
| 850 |
(tr ->my * scale[tr ->ref] + 128) >>8); |
| 851 |
} |
| 852 |
} |
| 853 |
|
| 854 |
static av_always_inline int same_block(BlockNode *a, BlockNode *b){ |
| 855 |
if((a->type&BLOCK_INTRA) && (b->type&BLOCK_INTRA)){
|
| 856 |
return !((a->color[0] - b->color[0]) | (a->color[1] - b->color[1]) | (a->color[2] - b->color[2])); |
| 857 |
}else{
|
| 858 |
return !((a->mx - b->mx) | (a->my - b->my) | (a->ref - b->ref) | ((a->type ^ b->type)&BLOCK_INTRA));
|
| 859 |
} |
| 860 |
} |
| 861 |
|
| 862 |
static void decode_q_branch(SnowContext *s, int level, int x, int y){ |
| 863 |
const int w= s->b_width << s->block_max_depth; |
| 864 |
const int rem_depth= s->block_max_depth - level; |
| 865 |
const int index= (x + y*w) << rem_depth; |
| 866 |
int trx= (x+1)<<rem_depth; |
| 867 |
const BlockNode *left = x ? &s->block[index-1] : &null_block; |
| 868 |
const BlockNode *top = y ? &s->block[index-w] : &null_block;
|
| 869 |
const BlockNode *tl = y && x ? &s->block[index-w-1] : left; |
| 870 |
const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt |
| 871 |
int s_context= 2*left->level + 2*top->level + tl->level + tr->level; |
| 872 |
|
| 873 |
if(s->keyframe){
|
| 874 |
set_blocks(s, level, x, y, null_block.color[0], null_block.color[1], null_block.color[2], null_block.mx, null_block.my, null_block.ref, BLOCK_INTRA); |
| 875 |
return;
|
| 876 |
} |
| 877 |
|
| 878 |
if(level==s->block_max_depth || get_rac(&s->c, &s->block_state[4 + s_context])){ |
| 879 |
int type, mx, my;
|
| 880 |
int l = left->color[0]; |
| 881 |
int cb= left->color[1]; |
| 882 |
int cr= left->color[2]; |
| 883 |
int ref = 0; |
| 884 |
int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref); |
| 885 |
int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 0*av_log2(2*FFABS(tr->mx - top->mx)); |
| 886 |
int my_context= av_log2(2*FFABS(left->my - top->my)) + 0*av_log2(2*FFABS(tr->my - top->my)); |
| 887 |
|
| 888 |
type= get_rac(&s->c, &s->block_state[1 + left->type + top->type]) ? BLOCK_INTRA : 0; |
| 889 |
|
| 890 |
if(type){
|
| 891 |
pred_mv(s, &mx, &my, 0, left, top, tr);
|
| 892 |
l += get_symbol(&s->c, &s->block_state[32], 1); |
| 893 |
cb+= get_symbol(&s->c, &s->block_state[64], 1); |
| 894 |
cr+= get_symbol(&s->c, &s->block_state[96], 1); |
| 895 |
}else{
|
| 896 |
if(s->ref_frames > 1) |
| 897 |
ref= get_symbol(&s->c, &s->block_state[128 + 1024 + 32*ref_context], 0); |
| 898 |
pred_mv(s, &mx, &my, ref, left, top, tr); |
| 899 |
mx+= get_symbol(&s->c, &s->block_state[128 + 32*(mx_context + 16*!!ref)], 1); |
| 900 |
my+= get_symbol(&s->c, &s->block_state[128 + 32*(my_context + 16*!!ref)], 1); |
| 901 |
} |
| 902 |
set_blocks(s, level, x, y, l, cb, cr, mx, my, ref, type); |
| 903 |
}else{
|
| 904 |
decode_q_branch(s, level+1, 2*x+0, 2*y+0); |
| 905 |
decode_q_branch(s, level+1, 2*x+1, 2*y+0); |
| 906 |
decode_q_branch(s, level+1, 2*x+0, 2*y+1); |
| 907 |
decode_q_branch(s, level+1, 2*x+1, 2*y+1); |
| 908 |
} |
| 909 |
} |
| 910 |
|
| 911 |
static void decode_blocks(SnowContext *s){ |
| 912 |
int x, y;
|
| 913 |
int w= s->b_width;
|
| 914 |
int h= s->b_height;
|
| 915 |
|
| 916 |
for(y=0; y<h; y++){ |
| 917 |
for(x=0; x<w; x++){ |
| 918 |
decode_q_branch(s, 0, x, y);
|
| 919 |
} |
| 920 |
} |
| 921 |
} |
| 922 |
|
| 923 |
static void mc_block(Plane *p, uint8_t *dst, const uint8_t *src, int stride, int b_w, int b_h, int dx, int dy){ |
| 924 |
static const uint8_t weight[64]={ |
| 925 |
8,7,6,5,4,3,2,1, |
| 926 |
7,7,0,0,0,0,0,1, |
| 927 |
6,0,6,0,0,0,2,0, |
| 928 |
5,0,0,5,0,3,0,0, |
| 929 |
4,0,0,0,4,0,0,0, |
| 930 |
3,0,0,5,0,3,0,0, |
| 931 |
2,0,6,0,0,0,2,0, |
| 932 |
1,7,0,0,0,0,0,1, |
| 933 |
}; |
| 934 |
|
| 935 |
static const uint8_t brane[256]={ |
| 936 |
0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x11,0x12,0x12,0x12,0x12,0x12,0x12,0x12, |
| 937 |
0x04,0x05,0xcc,0xcc,0xcc,0xcc,0xcc,0x41,0x15,0x16,0xcc,0xcc,0xcc,0xcc,0xcc,0x52, |
| 938 |
0x04,0xcc,0x05,0xcc,0xcc,0xcc,0x41,0xcc,0x15,0xcc,0x16,0xcc,0xcc,0xcc,0x52,0xcc, |
| 939 |
0x04,0xcc,0xcc,0x05,0xcc,0x41,0xcc,0xcc,0x15,0xcc,0xcc,0x16,0xcc,0x52,0xcc,0xcc, |
| 940 |
0x04,0xcc,0xcc,0xcc,0x41,0xcc,0xcc,0xcc,0x15,0xcc,0xcc,0xcc,0x16,0xcc,0xcc,0xcc, |
| 941 |
0x04,0xcc,0xcc,0x41,0xcc,0x05,0xcc,0xcc,0x15,0xcc,0xcc,0x52,0xcc,0x16,0xcc,0xcc, |
| 942 |
0x04,0xcc,0x41,0xcc,0xcc,0xcc,0x05,0xcc,0x15,0xcc,0x52,0xcc,0xcc,0xcc,0x16,0xcc, |
| 943 |
0x04,0x41,0xcc,0xcc,0xcc,0xcc,0xcc,0x05,0x15,0x52,0xcc,0xcc,0xcc,0xcc,0xcc,0x16, |
| 944 |
0x44,0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x55,0x56,0x56,0x56,0x56,0x56,0x56,0x56, |
| 945 |
0x48,0x49,0xcc,0xcc,0xcc,0xcc,0xcc,0x85,0x59,0x5A,0xcc,0xcc,0xcc,0xcc,0xcc,0x96, |
| 946 |
0x48,0xcc,0x49,0xcc,0xcc,0xcc,0x85,0xcc,0x59,0xcc,0x5A,0xcc,0xcc,0xcc,0x96,0xcc, |
| 947 |
0x48,0xcc,0xcc,0x49,0xcc,0x85,0xcc,0xcc,0x59,0xcc,0xcc,0x5A,0xcc,0x96,0xcc,0xcc, |
| 948 |
0x48,0xcc,0xcc,0xcc,0x49,0xcc,0xcc,0xcc,0x59,0xcc,0xcc,0xcc,0x96,0xcc,0xcc,0xcc, |
| 949 |
0x48,0xcc,0xcc,0x85,0xcc,0x49,0xcc,0xcc,0x59,0xcc,0xcc,0x96,0xcc,0x5A,0xcc,0xcc, |
| 950 |
0x48,0xcc,0x85,0xcc,0xcc,0xcc,0x49,0xcc,0x59,0xcc,0x96,0xcc,0xcc,0xcc,0x5A,0xcc, |
| 951 |
0x48,0x85,0xcc,0xcc,0xcc,0xcc,0xcc,0x49,0x59,0x96,0xcc,0xcc,0xcc,0xcc,0xcc,0x5A, |
| 952 |
}; |
| 953 |
|
| 954 |
static const uint8_t needs[16]={ |
| 955 |
0,1,0,0, |
| 956 |
2,4,2,0, |
| 957 |
0,1,0,0, |
| 958 |
15
|
| 959 |
}; |
| 960 |
|
| 961 |
int x, y, b, r, l;
|
| 962 |
int16_t tmpIt [64*(32+HTAPS_MAX)]; |
| 963 |
uint8_t tmp2t[3][stride*(32+HTAPS_MAX)]; |
| 964 |
int16_t *tmpI= tmpIt; |
| 965 |
uint8_t *tmp2= tmp2t[0];
|
| 966 |
const uint8_t *hpel[11]; |
| 967 |
assert(dx<16 && dy<16); |
| 968 |
r= brane[dx + 16*dy]&15; |
| 969 |
l= brane[dx + 16*dy]>>4; |
| 970 |
|
| 971 |
b= needs[l] | needs[r]; |
| 972 |
if(p && !p->diag_mc)
|
| 973 |
b= 15;
|
| 974 |
|
| 975 |
if(b&5){ |
| 976 |
for(y=0; y < b_h+HTAPS_MAX-1; y++){ |
| 977 |
for(x=0; x < b_w; x++){ |
| 978 |
int a_1=src[x + HTAPS_MAX/2-4]; |
| 979 |
int a0= src[x + HTAPS_MAX/2-3]; |
| 980 |
int a1= src[x + HTAPS_MAX/2-2]; |
| 981 |
int a2= src[x + HTAPS_MAX/2-1]; |
| 982 |
int a3= src[x + HTAPS_MAX/2+0]; |
| 983 |
int a4= src[x + HTAPS_MAX/2+1]; |
| 984 |
int a5= src[x + HTAPS_MAX/2+2]; |
| 985 |
int a6= src[x + HTAPS_MAX/2+3]; |
| 986 |
int am=0; |
| 987 |
if(!p || p->fast_mc){
|
| 988 |
am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5); |
| 989 |
tmpI[x]= am; |
| 990 |
am= (am+16)>>5; |
| 991 |
}else{
|
| 992 |
am= p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6); |
| 993 |
tmpI[x]= am; |
| 994 |
am= (am+32)>>6; |
| 995 |
} |
| 996 |
|
| 997 |
if(am&(~255)) am= ~(am>>31); |
| 998 |
tmp2[x]= am; |
| 999 |
} |
| 1000 |
tmpI+= 64;
|
| 1001 |
tmp2+= stride; |
| 1002 |
src += stride; |
| 1003 |
} |
| 1004 |
src -= stride*y; |
| 1005 |
} |
| 1006 |
src += HTAPS_MAX/2 - 1; |
| 1007 |
tmp2= tmp2t[1];
|
| 1008 |
|
| 1009 |
if(b&2){ |
| 1010 |
for(y=0; y < b_h; y++){ |
| 1011 |
for(x=0; x < b_w+1; x++){ |
| 1012 |
int a_1=src[x + (HTAPS_MAX/2-4)*stride]; |
| 1013 |
int a0= src[x + (HTAPS_MAX/2-3)*stride]; |
| 1014 |
int a1= src[x + (HTAPS_MAX/2-2)*stride]; |
| 1015 |
int a2= src[x + (HTAPS_MAX/2-1)*stride]; |
| 1016 |
int a3= src[x + (HTAPS_MAX/2+0)*stride]; |
| 1017 |
int a4= src[x + (HTAPS_MAX/2+1)*stride]; |
| 1018 |
int a5= src[x + (HTAPS_MAX/2+2)*stride]; |
| 1019 |
int a6= src[x + (HTAPS_MAX/2+3)*stride]; |
| 1020 |
int am=0; |
| 1021 |
if(!p || p->fast_mc)
|
| 1022 |
am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 16)>>5; |
| 1023 |
else
|
| 1024 |
am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 32)>>6; |
| 1025 |
|
| 1026 |
if(am&(~255)) am= ~(am>>31); |
| 1027 |
tmp2[x]= am; |
| 1028 |
} |
| 1029 |
src += stride; |
| 1030 |
tmp2+= stride; |
| 1031 |
} |
| 1032 |
src -= stride*y; |
| 1033 |
} |
| 1034 |
src += stride*(HTAPS_MAX/2 - 1); |
| 1035 |
tmp2= tmp2t[2];
|
| 1036 |
tmpI= tmpIt; |
| 1037 |
if(b&4){ |
| 1038 |
for(y=0; y < b_h; y++){ |
| 1039 |
for(x=0; x < b_w; x++){ |
| 1040 |
int a_1=tmpI[x + (HTAPS_MAX/2-4)*64]; |
| 1041 |
int a0= tmpI[x + (HTAPS_MAX/2-3)*64]; |
| 1042 |
int a1= tmpI[x + (HTAPS_MAX/2-2)*64]; |
| 1043 |
int a2= tmpI[x + (HTAPS_MAX/2-1)*64]; |
| 1044 |
int a3= tmpI[x + (HTAPS_MAX/2+0)*64]; |
| 1045 |
int a4= tmpI[x + (HTAPS_MAX/2+1)*64]; |
| 1046 |
int a5= tmpI[x + (HTAPS_MAX/2+2)*64]; |
| 1047 |
int a6= tmpI[x + (HTAPS_MAX/2+3)*64]; |
| 1048 |
int am=0; |
| 1049 |
if(!p || p->fast_mc)
|
| 1050 |
am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 512)>>10; |
| 1051 |
else
|
| 1052 |
am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 2048)>>12; |
| 1053 |
if(am&(~255)) am= ~(am>>31); |
| 1054 |
tmp2[x]= am; |
| 1055 |
} |
| 1056 |
tmpI+= 64;
|
| 1057 |
tmp2+= stride; |
| 1058 |
} |
| 1059 |
} |
| 1060 |
|
| 1061 |
hpel[ 0]= src;
|
| 1062 |
hpel[ 1]= tmp2t[0] + stride*(HTAPS_MAX/2-1); |
| 1063 |
hpel[ 2]= src + 1; |
| 1064 |
|
| 1065 |
hpel[ 4]= tmp2t[1]; |
| 1066 |
hpel[ 5]= tmp2t[2]; |
| 1067 |
hpel[ 6]= tmp2t[1] + 1; |
| 1068 |
|
| 1069 |
hpel[ 8]= src + stride;
|
| 1070 |
hpel[ 9]= hpel[1] + stride; |
| 1071 |
hpel[10]= hpel[8] + 1; |
| 1072 |
|
| 1073 |
if(b==15){ |
| 1074 |
const uint8_t *src1= hpel[dx/8 + dy/8*4 ]; |
| 1075 |
const uint8_t *src2= hpel[dx/8 + dy/8*4+1]; |
| 1076 |
const uint8_t *src3= hpel[dx/8 + dy/8*4+4]; |
| 1077 |
const uint8_t *src4= hpel[dx/8 + dy/8*4+5]; |
| 1078 |
dx&=7;
|
| 1079 |
dy&=7;
|
| 1080 |
for(y=0; y < b_h; y++){ |
| 1081 |
for(x=0; x < b_w; x++){ |
| 1082 |
dst[x]= ((8-dx)*(8-dy)*src1[x] + dx*(8-dy)*src2[x]+ |
| 1083 |
(8-dx)* dy *src3[x] + dx* dy *src4[x]+32)>>6; |
| 1084 |
} |
| 1085 |
src1+=stride; |
| 1086 |
src2+=stride; |
| 1087 |
src3+=stride; |
| 1088 |
src4+=stride; |
| 1089 |
dst +=stride; |
| 1090 |
} |
| 1091 |
}else{
|
| 1092 |
const uint8_t *src1= hpel[l];
|
| 1093 |
const uint8_t *src2= hpel[r];
|
| 1094 |
int a= weight[((dx&7) + (8*(dy&7)))]; |
| 1095 |
int b= 8-a; |
| 1096 |
for(y=0; y < b_h; y++){ |
| 1097 |
for(x=0; x < b_w; x++){ |
| 1098 |
dst[x]= (a*src1[x] + b*src2[x] + 4)>>3; |
| 1099 |
} |
| 1100 |
src1+=stride; |
| 1101 |
src2+=stride; |
| 1102 |
dst +=stride; |
| 1103 |
} |
| 1104 |
} |
| 1105 |
} |
| 1106 |
|
| 1107 |
#define mca(dx,dy,b_w)\
|
| 1108 |
static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, const uint8_t *src, int stride, int h){\ |
| 1109 |
assert(h==b_w);\ |
| 1110 |
mc_block(NULL, dst, src-(HTAPS_MAX/2-1)-(HTAPS_MAX/2-1)*stride, stride, b_w, b_w, dx, dy);\ |
| 1111 |
} |
| 1112 |
|
| 1113 |
mca( 0, 0,16) |
| 1114 |
mca( 8, 0,16) |
| 1115 |
mca( 0, 8,16) |
| 1116 |
mca( 8, 8,16) |
| 1117 |
mca( 0, 0,8) |
| 1118 |
mca( 8, 0,8) |
| 1119 |
mca( 0, 8,8) |
| 1120 |
mca( 8, 8,8) |
| 1121 |
|
| 1122 |
static void pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){ |
| 1123 |
if(block->type & BLOCK_INTRA){
|
| 1124 |
int x, y;
|
| 1125 |
const int color = block->color[plane_index]; |
| 1126 |
const int color4= color*0x01010101; |
| 1127 |
if(b_w==32){ |
| 1128 |
for(y=0; y < b_h; y++){ |
| 1129 |
*(uint32_t*)&dst[0 + y*stride]= color4;
|
| 1130 |
*(uint32_t*)&dst[4 + y*stride]= color4;
|
| 1131 |
*(uint32_t*)&dst[8 + y*stride]= color4;
|
| 1132 |
*(uint32_t*)&dst[12+ y*stride]= color4;
|
| 1133 |
*(uint32_t*)&dst[16+ y*stride]= color4;
|
| 1134 |
*(uint32_t*)&dst[20+ y*stride]= color4;
|
| 1135 |
*(uint32_t*)&dst[24+ y*stride]= color4;
|
| 1136 |
*(uint32_t*)&dst[28+ y*stride]= color4;
|
| 1137 |
} |
| 1138 |
}else if(b_w==16){ |
| 1139 |
for(y=0; y < b_h; y++){ |
| 1140 |
*(uint32_t*)&dst[0 + y*stride]= color4;
|
| 1141 |
*(uint32_t*)&dst[4 + y*stride]= color4;
|
| 1142 |
*(uint32_t*)&dst[8 + y*stride]= color4;
|
| 1143 |
*(uint32_t*)&dst[12+ y*stride]= color4;
|
| 1144 |
} |
| 1145 |
}else if(b_w==8){ |
| 1146 |
for(y=0; y < b_h; y++){ |
| 1147 |
*(uint32_t*)&dst[0 + y*stride]= color4;
|
| 1148 |
*(uint32_t*)&dst[4 + y*stride]= color4;
|
| 1149 |
} |
| 1150 |
}else if(b_w==4){ |
| 1151 |
for(y=0; y < b_h; y++){ |
| 1152 |
*(uint32_t*)&dst[0 + y*stride]= color4;
|
| 1153 |
} |
| 1154 |
}else{
|
| 1155 |
for(y=0; y < b_h; y++){ |
| 1156 |
for(x=0; x < b_w; x++){ |
| 1157 |
dst[x + y*stride]= color; |
| 1158 |
} |
| 1159 |
} |
| 1160 |
} |
| 1161 |
}else{
|
| 1162 |
uint8_t *src= s->last_picture[block->ref].data[plane_index]; |
| 1163 |
const int scale= plane_index ? s->mv_scale : 2*s->mv_scale; |
| 1164 |
int mx= block->mx*scale;
|
| 1165 |
int my= block->my*scale;
|
| 1166 |
const int dx= mx&15; |
| 1167 |
const int dy= my&15; |
| 1168 |
const int tab_index= 3 - (b_w>>2) + (b_w>>4); |
| 1169 |
sx += (mx>>4) - (HTAPS_MAX/2-1); |
| 1170 |
sy += (my>>4) - (HTAPS_MAX/2-1); |
| 1171 |
src += sx + sy*stride; |
| 1172 |
if( (unsigned)sx >= w - b_w - (HTAPS_MAX-2) |
| 1173 |
|| (unsigned)sy >= h - b_h - (HTAPS_MAX-2)){ |
| 1174 |
s->dsp.emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+HTAPS_MAX-1, b_h+HTAPS_MAX-1, sx, sy, w, h); |
| 1175 |
src= tmp + MB_SIZE; |
| 1176 |
} |
| 1177 |
// assert(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h);
|
| 1178 |
// assert(!(b_w&(b_w-1)));
|
| 1179 |
assert(b_w>1 && b_h>1); |
| 1180 |
assert((tab_index>=0 && tab_index<4) || b_w==32); |
| 1181 |
if((dx&3) || (dy&3) || !(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h) || (b_w&(b_w-1)) || !s->plane[plane_index].fast_mc ) |
| 1182 |
mc_block(&s->plane[plane_index], dst, src, stride, b_w, b_h, dx, dy); |
| 1183 |
else if(b_w==32){ |
| 1184 |
int y;
|
| 1185 |
for(y=0; y<b_h; y+=16){ |
| 1186 |
s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + y*stride, src + 3 + (y+3)*stride,stride); |
| 1187 |
s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + 16 + y*stride, src + 19 + (y+3)*stride,stride); |
| 1188 |
} |
| 1189 |
}else if(b_w==b_h) |
| 1190 |
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst,src + 3 + 3*stride,stride); |
| 1191 |
else if(b_w==2*b_h){ |
| 1192 |
s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst ,src + 3 + 3*stride,stride); |
| 1193 |
s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst+b_h,src + 3 + b_h + 3*stride,stride); |
| 1194 |
}else{
|
| 1195 |
assert(2*b_w==b_h);
|
| 1196 |
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst ,src + 3 + 3*stride ,stride); |
| 1197 |
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst+b_w*stride,src + 3 + 3*stride+b_w*stride,stride); |
| 1198 |
} |
| 1199 |
} |
| 1200 |
} |
| 1201 |
|
| 1202 |
void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, |
| 1203 |
int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ |
| 1204 |
int y, x;
|
| 1205 |
IDWTELEM * dst; |
| 1206 |
for(y=0; y<b_h; y++){ |
| 1207 |
//FIXME ugly misuse of obmc_stride
|
| 1208 |
const uint8_t *obmc1= obmc + y*obmc_stride;
|
| 1209 |
const uint8_t *obmc2= obmc1+ (obmc_stride>>1); |
| 1210 |
const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1); |
| 1211 |
const uint8_t *obmc4= obmc3+ (obmc_stride>>1); |
| 1212 |
dst = slice_buffer_get_line(sb, src_y + y); |
| 1213 |
for(x=0; x<b_w; x++){ |
| 1214 |
int v= obmc1[x] * block[3][x + y*src_stride] |
| 1215 |
+obmc2[x] * block[2][x + y*src_stride]
|
| 1216 |
+obmc3[x] * block[1][x + y*src_stride]
|
| 1217 |
+obmc4[x] * block[0][x + y*src_stride];
|
| 1218 |
|
| 1219 |
v <<= 8 - LOG2_OBMC_MAX;
|
| 1220 |
if(FRAC_BITS != 8){ |
| 1221 |
v >>= 8 - FRAC_BITS;
|
| 1222 |
} |
| 1223 |
if(add){
|
| 1224 |
v += dst[x + src_x]; |
| 1225 |
v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS; |
| 1226 |
if(v&(~255)) v= ~(v>>31); |
| 1227 |
dst8[x + y*src_stride] = v; |
| 1228 |
}else{
|
| 1229 |
dst[x + src_x] -= v; |
| 1230 |
} |
| 1231 |
} |
| 1232 |
} |
| 1233 |
} |
| 1234 |
|
| 1235 |
//FIXME name cleanup (b_w, block_w, b_width stuff)
|
| 1236 |
static av_always_inline void add_yblock(SnowContext *s, int sliced, slice_buffer *sb, IDWTELEM *dst, uint8_t *dst8, const uint8_t *obmc, int src_x, int src_y, int b_w, int b_h, int w, int h, int dst_stride, int src_stride, int obmc_stride, int b_x, int b_y, int add, int offset_dst, int plane_index){ |
| 1237 |
const int b_width = s->b_width << s->block_max_depth; |
| 1238 |
const int b_height= s->b_height << s->block_max_depth; |
| 1239 |
const int b_stride= b_width; |
| 1240 |
BlockNode *lt= &s->block[b_x + b_y*b_stride]; |
| 1241 |
BlockNode *rt= lt+1;
|
| 1242 |
BlockNode *lb= lt+b_stride; |
| 1243 |
BlockNode *rb= lb+1;
|
| 1244 |
uint8_t *block[4];
|
| 1245 |
int tmp_step= src_stride >= 7*MB_SIZE ? MB_SIZE : MB_SIZE*src_stride; |
| 1246 |
uint8_t *tmp = s->scratchbuf; |
| 1247 |
uint8_t *ptmp; |
| 1248 |
int x,y;
|
| 1249 |
|
| 1250 |
if(b_x<0){ |
| 1251 |
lt= rt; |
| 1252 |
lb= rb; |
| 1253 |
}else if(b_x + 1 >= b_width){ |
| 1254 |
rt= lt; |
| 1255 |
rb= lb; |
| 1256 |
} |
| 1257 |
if(b_y<0){ |
| 1258 |
lt= lb; |
| 1259 |
rt= rb; |
| 1260 |
}else if(b_y + 1 >= b_height){ |
| 1261 |
lb= lt; |
| 1262 |
rb= rt; |
| 1263 |
} |
| 1264 |
|
| 1265 |
if(src_x<0){ //FIXME merge with prev & always round internal width up to *16 |
| 1266 |
obmc -= src_x; |
| 1267 |
b_w += src_x; |
| 1268 |
if(!sliced && !offset_dst)
|
| 1269 |
dst -= src_x; |
| 1270 |
src_x=0;
|
| 1271 |
}else if(src_x + b_w > w){ |
| 1272 |
b_w = w - src_x; |
| 1273 |
} |
| 1274 |
if(src_y<0){ |
| 1275 |
obmc -= src_y*obmc_stride; |
| 1276 |
b_h += src_y; |
| 1277 |
if(!sliced && !offset_dst)
|
| 1278 |
dst -= src_y*dst_stride; |
| 1279 |
src_y=0;
|
| 1280 |
}else if(src_y + b_h> h){ |
| 1281 |
b_h = h - src_y; |
| 1282 |
} |
| 1283 |
|
| 1284 |
if(b_w<=0 || b_h<=0) return; |
| 1285 |
|
| 1286 |
assert(src_stride > 2*MB_SIZE + 5); |
| 1287 |
|
| 1288 |
if(!sliced && offset_dst)
|
| 1289 |
dst += src_x + src_y*dst_stride; |
| 1290 |
dst8+= src_x + src_y*src_stride; |
| 1291 |
// src += src_x + src_y*src_stride;
|
| 1292 |
|
| 1293 |
ptmp= tmp + 3*tmp_step;
|
| 1294 |
block[0]= ptmp;
|
| 1295 |
ptmp+=tmp_step; |
| 1296 |
pred_block(s, block[0], tmp, src_stride, src_x, src_y, b_w, b_h, lt, plane_index, w, h);
|
| 1297 |
|
| 1298 |
if(same_block(lt, rt)){
|
| 1299 |
block[1]= block[0]; |
| 1300 |
}else{
|
| 1301 |
block[1]= ptmp;
|
| 1302 |
ptmp+=tmp_step; |
| 1303 |
pred_block(s, block[1], tmp, src_stride, src_x, src_y, b_w, b_h, rt, plane_index, w, h);
|
| 1304 |
} |
| 1305 |
|
| 1306 |
if(same_block(lt, lb)){
|
| 1307 |
block[2]= block[0]; |
| 1308 |
}else if(same_block(rt, lb)){ |
| 1309 |
block[2]= block[1]; |
| 1310 |
}else{
|
| 1311 |
block[2]= ptmp;
|
| 1312 |
ptmp+=tmp_step; |
| 1313 |
pred_block(s, block[2], tmp, src_stride, src_x, src_y, b_w, b_h, lb, plane_index, w, h);
|
| 1314 |
} |
| 1315 |
|
| 1316 |
if(same_block(lt, rb) ){
|
| 1317 |
block[3]= block[0]; |
| 1318 |
}else if(same_block(rt, rb)){ |
| 1319 |
block[3]= block[1]; |
| 1320 |
}else if(same_block(lb, rb)){ |
| 1321 |
block[3]= block[2]; |
| 1322 |
}else{
|
| 1323 |
block[3]= ptmp;
|
| 1324 |
pred_block(s, block[3], tmp, src_stride, src_x, src_y, b_w, b_h, rb, plane_index, w, h);
|
| 1325 |
} |
| 1326 |
#if 0
|
| 1327 |
for(y=0; y<b_h; y++){
|
| 1328 |
for(x=0; x<b_w; x++){
|
| 1329 |
int v= obmc [x + y*obmc_stride] * block[3][x + y*src_stride] * (256/OBMC_MAX);
|
| 1330 |
if(add) dst[x + y*dst_stride] += v;
|
| 1331 |
else dst[x + y*dst_stride] -= v;
|
| 1332 |
}
|
| 1333 |
}
|
| 1334 |
for(y=0; y<b_h; y++){
|
| 1335 |
uint8_t *obmc2= obmc + (obmc_stride>>1);
|
| 1336 |
for(x=0; x<b_w; x++){
|
| 1337 |
int v= obmc2[x + y*obmc_stride] * block[2][x + y*src_stride] * (256/OBMC_MAX);
|
| 1338 |
if(add) dst[x + y*dst_stride] += v;
|
| 1339 |
else dst[x + y*dst_stride] -= v;
|
| 1340 |
}
|
| 1341 |
}
|
| 1342 |
for(y=0; y<b_h; y++){
|
| 1343 |
uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
|
| 1344 |
for(x=0; x<b_w; x++){
|
| 1345 |
int v= obmc3[x + y*obmc_stride] * block[1][x + y*src_stride] * (256/OBMC_MAX);
|
| 1346 |
if(add) dst[x + y*dst_stride] += v;
|
| 1347 |
else dst[x + y*dst_stride] -= v;
|
| 1348 |
}
|
| 1349 |
}
|
| 1350 |
for(y=0; y<b_h; y++){
|
| 1351 |
uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
|
| 1352 |
uint8_t *obmc4= obmc3+ (obmc_stride>>1);
|
| 1353 |
for(x=0; x<b_w; x++){
|
| 1354 |
int v= obmc4[x + y*obmc_stride] * block[0][x + y*src_stride] * (256/OBMC_MAX);
|
| 1355 |
if(add) dst[x + y*dst_stride] += v;
|
| 1356 |
else dst[x + y*dst_stride] -= v;
|
| 1357 |
}
|
| 1358 |
}
|
| 1359 |
#else
|
| 1360 |
if(sliced){
|
| 1361 |
s->dwt.inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); |
| 1362 |
}else{
|
| 1363 |
for(y=0; y<b_h; y++){ |
| 1364 |
//FIXME ugly misuse of obmc_stride
|
| 1365 |
const uint8_t *obmc1= obmc + y*obmc_stride;
|
| 1366 |
const uint8_t *obmc2= obmc1+ (obmc_stride>>1); |
| 1367 |
const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1); |
| 1368 |
const uint8_t *obmc4= obmc3+ (obmc_stride>>1); |
| 1369 |
for(x=0; x<b_w; x++){ |
| 1370 |
int v= obmc1[x] * block[3][x + y*src_stride] |
| 1371 |
+obmc2[x] * block[2][x + y*src_stride]
|
| 1372 |
+obmc3[x] * block[1][x + y*src_stride]
|
| 1373 |
+obmc4[x] * block[0][x + y*src_stride];
|
| 1374 |
|
| 1375 |
v <<= 8 - LOG2_OBMC_MAX;
|
| 1376 |
if(FRAC_BITS != 8){ |
| 1377 |
v >>= 8 - FRAC_BITS;
|
| 1378 |
} |
| 1379 |
if(add){
|
| 1380 |
v += dst[x + y*dst_stride]; |
| 1381 |
v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS; |
| 1382 |
if(v&(~255)) v= ~(v>>31); |
| 1383 |
dst8[x + y*src_stride] = v; |
| 1384 |
}else{
|
| 1385 |
dst[x + y*dst_stride] -= v; |
| 1386 |
} |
| 1387 |
} |
| 1388 |
} |
| 1389 |
} |
| 1390 |
#endif /* 0 */ |
| 1391 |
} |
| 1392 |
|
| 1393 |
static av_always_inline void predict_slice_buffered(SnowContext *s, slice_buffer * sb, IDWTELEM * old_buffer, int plane_index, int add, int mb_y){ |
| 1394 |
Plane *p= &s->plane[plane_index]; |
| 1395 |
const int mb_w= s->b_width << s->block_max_depth; |
| 1396 |
const int mb_h= s->b_height << s->block_max_depth; |
| 1397 |
int x, y, mb_x;
|
| 1398 |
int block_size = MB_SIZE >> s->block_max_depth;
|
| 1399 |
int block_w = plane_index ? block_size/2 : block_size; |
| 1400 |
const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth]; |
| 1401 |
int obmc_stride= plane_index ? block_size : 2*block_size; |
| 1402 |
int ref_stride= s->current_picture.linesize[plane_index];
|
| 1403 |
uint8_t *dst8= s->current_picture.data[plane_index]; |
| 1404 |
int w= p->width;
|
| 1405 |
int h= p->height;
|
| 1406 |
|
| 1407 |
if(s->keyframe || (s->avctx->debug&512)){ |
| 1408 |
if(mb_y==mb_h)
|
| 1409 |
return;
|
| 1410 |
|
| 1411 |
if(add){
|
| 1412 |
for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){ |
| 1413 |
// DWTELEM * line = slice_buffer_get_line(sb, y);
|
| 1414 |
IDWTELEM * line = sb->line[y]; |
| 1415 |
for(x=0; x<w; x++){ |
| 1416 |
// int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
|
| 1417 |
int v= line[x] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1)); |
| 1418 |
v >>= FRAC_BITS; |
| 1419 |
if(v&(~255)) v= ~(v>>31); |
| 1420 |
dst8[x + y*ref_stride]= v; |
| 1421 |
} |
| 1422 |
} |
| 1423 |
}else{
|
| 1424 |
for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){ |
| 1425 |
// DWTELEM * line = slice_buffer_get_line(sb, y);
|
| 1426 |
IDWTELEM * line = sb->line[y]; |
| 1427 |
for(x=0; x<w; x++){ |
| 1428 |
line[x] -= 128 << FRAC_BITS;
|
| 1429 |
// buf[x + y*w]-= 128<<FRAC_BITS;
|
| 1430 |
} |
| 1431 |
} |
| 1432 |
} |
| 1433 |
|
| 1434 |
return;
|
| 1435 |
} |
| 1436 |
|
| 1437 |
for(mb_x=0; mb_x<=mb_w; mb_x++){ |
| 1438 |
add_yblock(s, 1, sb, old_buffer, dst8, obmc,
|
| 1439 |
block_w*mb_x - block_w/2,
|
| 1440 |
block_w*mb_y - block_w/2,
|
| 1441 |
block_w, block_w, |
| 1442 |
w, h, |
| 1443 |
w, ref_stride, obmc_stride, |
| 1444 |
mb_x - 1, mb_y - 1, |
| 1445 |
add, 0, plane_index);
|
| 1446 |
} |
| 1447 |
} |
| 1448 |
|
| 1449 |
static av_always_inline void predict_slice(SnowContext *s, IDWTELEM *buf, int plane_index, int add, int mb_y){ |
| 1450 |
Plane *p= &s->plane[plane_index]; |
| 1451 |
const int mb_w= s->b_width << s->block_max_depth; |
| 1452 |
const int mb_h= s->b_height << s->block_max_depth; |
| 1453 |
int x, y, mb_x;
|
| 1454 |
int block_size = MB_SIZE >> s->block_max_depth;
|
| 1455 |
int block_w = plane_index ? block_size/2 : block_size; |
| 1456 |
const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth]; |
| 1457 |
const int obmc_stride= plane_index ? block_size : 2*block_size; |
| 1458 |
int ref_stride= s->current_picture.linesize[plane_index];
|
| 1459 |
uint8_t *dst8= s->current_picture.data[plane_index]; |
| 1460 |
int w= p->width;
|
| 1461 |
int h= p->height;
|
| 1462 |
|
| 1463 |
if(s->keyframe || (s->avctx->debug&512)){ |
| 1464 |
if(mb_y==mb_h)
|
| 1465 |
return;
|
| 1466 |
|
| 1467 |
if(add){
|
| 1468 |
for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){ |
| 1469 |
for(x=0; x<w; x++){ |
| 1470 |
int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1)); |
| 1471 |
v >>= FRAC_BITS; |
| 1472 |
if(v&(~255)) v= ~(v>>31); |
| 1473 |
dst8[x + y*ref_stride]= v; |
| 1474 |
} |
| 1475 |
} |
| 1476 |
}else{
|
| 1477 |
for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){ |
| 1478 |
for(x=0; x<w; x++){ |
| 1479 |
buf[x + y*w]-= 128<<FRAC_BITS;
|
| 1480 |
} |
| 1481 |
} |
| 1482 |
} |
| 1483 |
|
| 1484 |
return;
|
| 1485 |
} |
| 1486 |
|
| 1487 |
for(mb_x=0; mb_x<=mb_w; mb_x++){ |
| 1488 |
add_yblock(s, 0, NULL, buf, dst8, obmc, |
| 1489 |
block_w*mb_x - block_w/2,
|
| 1490 |
block_w*mb_y - block_w/2,
|
| 1491 |
block_w, block_w, |
| 1492 |
w, h, |
| 1493 |
w, ref_stride, obmc_stride, |
| 1494 |
mb_x - 1, mb_y - 1, |
| 1495 |
add, 1, plane_index);
|
| 1496 |
} |
| 1497 |
} |
| 1498 |
|
| 1499 |
static av_always_inline void predict_plane(SnowContext *s, IDWTELEM *buf, int plane_index, int add){ |
| 1500 |
const int mb_h= s->b_height << s->block_max_depth; |
| 1501 |
int mb_y;
|
| 1502 |
for(mb_y=0; mb_y<=mb_h; mb_y++) |
| 1503 |
predict_slice(s, buf, plane_index, add, mb_y); |
| 1504 |
} |
| 1505 |
|
| 1506 |
static void dequantize_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, IDWTELEM *src, int stride, int start_y, int end_y){ |
| 1507 |
const int w= b->width; |
| 1508 |
const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16); |
| 1509 |
const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT); |
| 1510 |
const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT; |
| 1511 |
int x,y;
|
| 1512 |
|
| 1513 |
if(s->qlog == LOSSLESS_QLOG) return; |
| 1514 |
|
| 1515 |
for(y=start_y; y<end_y; y++){
|
| 1516 |
// DWTELEM * line = slice_buffer_get_line_from_address(sb, src + (y * stride));
|
| 1517 |
IDWTELEM * line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset; |
| 1518 |
for(x=0; x<w; x++){ |
| 1519 |
int i= line[x];
|
| 1520 |
if(i<0){ |
| 1521 |
line[x]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
|
| 1522 |
}else if(i>0){ |
| 1523 |
line[x]= (( i*qmul + qadd)>>(QEXPSHIFT)); |
| 1524 |
} |
| 1525 |
} |
| 1526 |
} |
| 1527 |
} |
| 1528 |
|
| 1529 |
static void correlate_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median, int start_y, int end_y){ |
| 1530 |
const int w= b->width; |
| 1531 |
int x,y;
|
| 1532 |
|
| 1533 |
IDWTELEM * line=0; // silence silly "could be used without having been initialized" warning |
| 1534 |
IDWTELEM * prev; |
| 1535 |
|
| 1536 |
if (start_y != 0) |
| 1537 |
line = slice_buffer_get_line(sb, ((start_y - 1) * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
|
| 1538 |
|
| 1539 |
for(y=start_y; y<end_y; y++){
|
| 1540 |
prev = line; |
| 1541 |
// line = slice_buffer_get_line_from_address(sb, src + (y * stride));
|
| 1542 |
line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset; |
| 1543 |
for(x=0; x<w; x++){ |
| 1544 |
if(x){
|
| 1545 |
if(use_median){
|
| 1546 |
if(y && x+1<w) line[x] += mid_pred(line[x - 1], prev[x], prev[x + 1]); |
| 1547 |
else line[x] += line[x - 1]; |
| 1548 |
}else{
|
| 1549 |
if(y) line[x] += mid_pred(line[x - 1], prev[x], line[x - 1] + prev[x] - prev[x - 1]); |
| 1550 |
else line[x] += line[x - 1]; |
| 1551 |
} |
| 1552 |
}else{
|
| 1553 |
if(y) line[x] += prev[x];
|
| 1554 |
} |
| 1555 |
} |
| 1556 |
} |
| 1557 |
} |
| 1558 |
|
| 1559 |
static void decode_qlogs(SnowContext *s){ |
| 1560 |
int plane_index, level, orientation;
|
| 1561 |
|
| 1562 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 1563 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 1564 |
for(orientation=level ? 1:0; orientation<4; orientation++){ |
| 1565 |
int q;
|
| 1566 |
if (plane_index==2) q= s->plane[1].band[level][orientation].qlog; |
| 1567 |
else if(orientation==2) q= s->plane[plane_index].band[level][1].qlog; |
| 1568 |
else q= get_symbol(&s->c, s->header_state, 1); |
| 1569 |
s->plane[plane_index].band[level][orientation].qlog= q; |
| 1570 |
} |
| 1571 |
} |
| 1572 |
} |
| 1573 |
} |
| 1574 |
|
| 1575 |
#define GET_S(dst, check) \
|
| 1576 |
tmp= get_symbol(&s->c, s->header_state, 0);\
|
| 1577 |
if(!(check)){\
|
| 1578 |
av_log(s->avctx, AV_LOG_ERROR, "Error " #dst " is %d\n", tmp);\ |
| 1579 |
return -1;\ |
| 1580 |
}\ |
| 1581 |
dst= tmp; |
| 1582 |
|
| 1583 |
static int decode_header(SnowContext *s){ |
| 1584 |
int plane_index, tmp;
|
| 1585 |
uint8_t kstate[32];
|
| 1586 |
|
| 1587 |
memset(kstate, MID_STATE, sizeof(kstate));
|
| 1588 |
|
| 1589 |
s->keyframe= get_rac(&s->c, kstate); |
| 1590 |
if(s->keyframe || s->always_reset){
|
| 1591 |
reset_contexts(s); |
| 1592 |
s->spatial_decomposition_type= |
| 1593 |
s->qlog= |
| 1594 |
s->qbias= |
| 1595 |
s->mv_scale= |
| 1596 |
s->block_max_depth= 0;
|
| 1597 |
} |
| 1598 |
if(s->keyframe){
|
| 1599 |
GET_S(s->version, tmp <= 0U)
|
| 1600 |
s->always_reset= get_rac(&s->c, s->header_state); |
| 1601 |
s->temporal_decomposition_type= get_symbol(&s->c, s->header_state, 0);
|
| 1602 |
s->temporal_decomposition_count= get_symbol(&s->c, s->header_state, 0);
|
| 1603 |
GET_S(s->spatial_decomposition_count, 0 < tmp && tmp <= MAX_DECOMPOSITIONS)
|
| 1604 |
s->colorspace_type= get_symbol(&s->c, s->header_state, 0);
|
| 1605 |
s->chroma_h_shift= get_symbol(&s->c, s->header_state, 0);
|
| 1606 |
s->chroma_v_shift= get_symbol(&s->c, s->header_state, 0);
|
| 1607 |
s->spatial_scalability= get_rac(&s->c, s->header_state); |
| 1608 |
// s->rate_scalability= get_rac(&s->c, s->header_state);
|
| 1609 |
GET_S(s->max_ref_frames, tmp < (unsigned)MAX_REF_FRAMES)
|
| 1610 |
s->max_ref_frames++; |
| 1611 |
|
| 1612 |
decode_qlogs(s); |
| 1613 |
} |
| 1614 |
|
| 1615 |
if(!s->keyframe){
|
| 1616 |
if(get_rac(&s->c, s->header_state)){
|
| 1617 |
for(plane_index=0; plane_index<2; plane_index++){ |
| 1618 |
int htaps, i, sum=0; |
| 1619 |
Plane *p= &s->plane[plane_index]; |
| 1620 |
p->diag_mc= get_rac(&s->c, s->header_state); |
| 1621 |
htaps= get_symbol(&s->c, s->header_state, 0)*2 + 2; |
| 1622 |
if((unsigned)htaps > HTAPS_MAX || htaps==0) |
| 1623 |
return -1; |
| 1624 |
p->htaps= htaps; |
| 1625 |
for(i= htaps/2; i; i--){ |
| 1626 |
p->hcoeff[i]= get_symbol(&s->c, s->header_state, 0) * (1-2*(i&1)); |
| 1627 |
sum += p->hcoeff[i]; |
| 1628 |
} |
| 1629 |
p->hcoeff[0]= 32-sum; |
| 1630 |
} |
| 1631 |
s->plane[2].diag_mc= s->plane[1].diag_mc; |
| 1632 |
s->plane[2].htaps = s->plane[1].htaps; |
| 1633 |
memcpy(s->plane[2].hcoeff, s->plane[1].hcoeff, sizeof(s->plane[1].hcoeff)); |
| 1634 |
} |
| 1635 |
if(get_rac(&s->c, s->header_state)){
|
| 1636 |
GET_S(s->spatial_decomposition_count, 0 < tmp && tmp <= MAX_DECOMPOSITIONS)
|
| 1637 |
decode_qlogs(s); |
| 1638 |
} |
| 1639 |
} |
| 1640 |
|
| 1641 |
s->spatial_decomposition_type+= get_symbol(&s->c, s->header_state, 1);
|
| 1642 |
if(s->spatial_decomposition_type > 1U){ |
| 1643 |
av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_type %d not supported", s->spatial_decomposition_type);
|
| 1644 |
return -1; |
| 1645 |
} |
| 1646 |
if(FFMIN(s->avctx-> width>>s->chroma_h_shift,
|
| 1647 |
s->avctx->height>>s->chroma_v_shift) >> (s->spatial_decomposition_count-1) <= 0){ |
| 1648 |
av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_count %d too large for size", s->spatial_decomposition_count);
|
| 1649 |
return -1; |
| 1650 |
} |
| 1651 |
|
| 1652 |
s->qlog += get_symbol(&s->c, s->header_state, 1);
|
| 1653 |
s->mv_scale += get_symbol(&s->c, s->header_state, 1);
|
| 1654 |
s->qbias += get_symbol(&s->c, s->header_state, 1);
|
| 1655 |
s->block_max_depth+= get_symbol(&s->c, s->header_state, 1);
|
| 1656 |
if(s->block_max_depth > 1 || s->block_max_depth < 0){ |
| 1657 |
av_log(s->avctx, AV_LOG_ERROR, "block_max_depth= %d is too large", s->block_max_depth);
|
| 1658 |
s->block_max_depth= 0;
|
| 1659 |
return -1; |
| 1660 |
} |
| 1661 |
|
| 1662 |
return 0; |
| 1663 |
} |
| 1664 |
|
| 1665 |
static void init_qexp(void){ |
| 1666 |
int i;
|
| 1667 |
double v=128; |
| 1668 |
|
| 1669 |
for(i=0; i<QROOT; i++){ |
| 1670 |
qexp[i]= lrintf(v); |
| 1671 |
v *= pow(2, 1.0 / QROOT); |
| 1672 |
} |
| 1673 |
} |
| 1674 |
|
| 1675 |
static av_cold int common_init(AVCodecContext *avctx){ |
| 1676 |
SnowContext *s = avctx->priv_data; |
| 1677 |
int width, height;
|
| 1678 |
int i, j;
|
| 1679 |
|
| 1680 |
s->avctx= avctx; |
| 1681 |
s->max_ref_frames=1; //just make sure its not an invalid value in case of no initial keyframe |
| 1682 |
|
| 1683 |
dsputil_init(&s->dsp, avctx); |
| 1684 |
ff_dwt_init(&s->dwt); |
| 1685 |
|
| 1686 |
#define mcf(dx,dy)\
|
| 1687 |
s->dsp.put_qpel_pixels_tab [0][dy+dx/4]=\ |
| 1688 |
s->dsp.put_no_rnd_qpel_pixels_tab[0][dy+dx/4]=\ |
| 1689 |
s->dsp.put_h264_qpel_pixels_tab[0][dy+dx/4];\ |
| 1690 |
s->dsp.put_qpel_pixels_tab [1][dy+dx/4]=\ |
| 1691 |
s->dsp.put_no_rnd_qpel_pixels_tab[1][dy+dx/4]=\ |
| 1692 |
s->dsp.put_h264_qpel_pixels_tab[1][dy+dx/4]; |
| 1693 |
|
| 1694 |
mcf( 0, 0) |
| 1695 |
mcf( 4, 0) |
| 1696 |
mcf( 8, 0) |
| 1697 |
mcf(12, 0) |
| 1698 |
mcf( 0, 4) |
| 1699 |
mcf( 4, 4) |
| 1700 |
mcf( 8, 4) |
| 1701 |
mcf(12, 4) |
| 1702 |
mcf( 0, 8) |
| 1703 |
mcf( 4, 8) |
| 1704 |
mcf( 8, 8) |
| 1705 |
mcf(12, 8) |
| 1706 |
mcf( 0,12) |
| 1707 |
mcf( 4,12) |
| 1708 |
mcf( 8,12) |
| 1709 |
mcf(12,12) |
| 1710 |
|
| 1711 |
#define mcfh(dx,dy)\
|
| 1712 |
s->dsp.put_pixels_tab [0][dy/4+dx/8]=\ |
| 1713 |
s->dsp.put_no_rnd_pixels_tab[0][dy/4+dx/8]=\ |
| 1714 |
mc_block_hpel ## dx ## dy ## 16;\ |
| 1715 |
s->dsp.put_pixels_tab [1][dy/4+dx/8]=\ |
| 1716 |
s->dsp.put_no_rnd_pixels_tab[1][dy/4+dx/8]=\ |
| 1717 |
mc_block_hpel ## dx ## dy ## 8; |
| 1718 |
|
| 1719 |
mcfh(0, 0) |
| 1720 |
mcfh(8, 0) |
| 1721 |
mcfh(0, 8) |
| 1722 |
mcfh(8, 8) |
| 1723 |
|
| 1724 |
if(!qexp[0]) |
| 1725 |
init_qexp(); |
| 1726 |
|
| 1727 |
// dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift);
|
| 1728 |
|
| 1729 |
width= s->avctx->width; |
| 1730 |
height= s->avctx->height; |
| 1731 |
|
| 1732 |
s->spatial_idwt_buffer= av_mallocz(width*height*sizeof(IDWTELEM));
|
| 1733 |
s->spatial_dwt_buffer= av_mallocz(width*height*sizeof(DWTELEM)); //FIXME this does not belong here |
| 1734 |
|
| 1735 |
for(i=0; i<MAX_REF_FRAMES; i++) |
| 1736 |
for(j=0; j<MAX_REF_FRAMES; j++) |
| 1737 |
scale_mv_ref[i][j] = 256*(i+1)/(j+1); |
| 1738 |
|
| 1739 |
s->avctx->get_buffer(s->avctx, &s->mconly_picture); |
| 1740 |
s->scratchbuf = av_malloc(s->mconly_picture.linesize[0]*7*MB_SIZE); |
| 1741 |
|
| 1742 |
return 0; |
| 1743 |
} |
| 1744 |
|
| 1745 |
static int common_init_after_header(AVCodecContext *avctx){ |
| 1746 |
SnowContext *s = avctx->priv_data; |
| 1747 |
int plane_index, level, orientation;
|
| 1748 |
|
| 1749 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 1750 |
int w= s->avctx->width;
|
| 1751 |
int h= s->avctx->height;
|
| 1752 |
|
| 1753 |
if(plane_index){
|
| 1754 |
w>>= s->chroma_h_shift; |
| 1755 |
h>>= s->chroma_v_shift; |
| 1756 |
} |
| 1757 |
s->plane[plane_index].width = w; |
| 1758 |
s->plane[plane_index].height= h; |
| 1759 |
|
| 1760 |
for(level=s->spatial_decomposition_count-1; level>=0; level--){ |
| 1761 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 1762 |
SubBand *b= &s->plane[plane_index].band[level][orientation]; |
| 1763 |
|
| 1764 |
b->buf= s->spatial_dwt_buffer; |
| 1765 |
b->level= level; |
| 1766 |
b->stride= s->plane[plane_index].width << (s->spatial_decomposition_count - level); |
| 1767 |
b->width = (w + !(orientation&1))>>1; |
| 1768 |
b->height= (h + !(orientation>1))>>1; |
| 1769 |
|
| 1770 |
b->stride_line = 1 << (s->spatial_decomposition_count - level);
|
| 1771 |
b->buf_x_offset = 0;
|
| 1772 |
b->buf_y_offset = 0;
|
| 1773 |
|
| 1774 |
if(orientation&1){ |
| 1775 |
b->buf += (w+1)>>1; |
| 1776 |
b->buf_x_offset = (w+1)>>1; |
| 1777 |
} |
| 1778 |
if(orientation>1){ |
| 1779 |
b->buf += b->stride>>1;
|
| 1780 |
b->buf_y_offset = b->stride_line >> 1;
|
| 1781 |
} |
| 1782 |
b->ibuf= s->spatial_idwt_buffer + (b->buf - s->spatial_dwt_buffer); |
| 1783 |
|
| 1784 |
if(level)
|
| 1785 |
b->parent= &s->plane[plane_index].band[level-1][orientation];
|
| 1786 |
//FIXME avoid this realloc
|
| 1787 |
av_freep(&b->x_coeff); |
| 1788 |
b->x_coeff=av_mallocz(((b->width+1) * b->height+1)*sizeof(x_and_coeff)); |
| 1789 |
} |
| 1790 |
w= (w+1)>>1; |
| 1791 |
h= (h+1)>>1; |
| 1792 |
} |
| 1793 |
} |
| 1794 |
|
| 1795 |
return 0; |
| 1796 |
} |
| 1797 |
|
| 1798 |
#define QUANTIZE2 0 |
| 1799 |
|
| 1800 |
#if QUANTIZE2==1 |
| 1801 |
#define Q2_STEP 8 |
| 1802 |
|
| 1803 |
static void find_sse(SnowContext *s, Plane *p, int *score, int score_stride, IDWTELEM *r0, IDWTELEM *r1, int level, int orientation){ |
| 1804 |
SubBand *b= &p->band[level][orientation]; |
| 1805 |
int x, y;
|
| 1806 |
int xo=0; |
| 1807 |
int yo=0; |
| 1808 |
int step= 1 << (s->spatial_decomposition_count - level); |
| 1809 |
|
| 1810 |
if(orientation&1) |
| 1811 |
xo= step>>1;
|
| 1812 |
if(orientation&2) |
| 1813 |
yo= step>>1;
|
| 1814 |
|
| 1815 |
//FIXME bias for nonzero ?
|
| 1816 |
//FIXME optimize
|
| 1817 |
memset(score, 0, sizeof(*score)*score_stride*((p->height + Q2_STEP-1)/Q2_STEP)); |
| 1818 |
for(y=0; y<p->height; y++){ |
| 1819 |
for(x=0; x<p->width; x++){ |
| 1820 |
int sx= (x-xo + step/2) / step / Q2_STEP; |
| 1821 |
int sy= (y-yo + step/2) / step / Q2_STEP; |
| 1822 |
int v= r0[x + y*p->width] - r1[x + y*p->width];
|
| 1823 |
assert(sx>=0 && sy>=0 && sx < score_stride); |
| 1824 |
v= ((v+8)>>4)<<4; |
| 1825 |
score[sx + sy*score_stride] += v*v; |
| 1826 |
assert(score[sx + sy*score_stride] >= 0);
|
| 1827 |
} |
| 1828 |
} |
| 1829 |
} |
| 1830 |
|
| 1831 |
static void dequantize_all(SnowContext *s, Plane *p, IDWTELEM *buffer, int width, int height){ |
| 1832 |
int level, orientation;
|
| 1833 |
|
| 1834 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 1835 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 1836 |
SubBand *b= &p->band[level][orientation]; |
| 1837 |
IDWTELEM *dst= buffer + (b->ibuf - s->spatial_idwt_buffer); |
| 1838 |
|
| 1839 |
dequantize(s, b, dst, b->stride); |
| 1840 |
} |
| 1841 |
} |
| 1842 |
} |
| 1843 |
|
| 1844 |
static void dwt_quantize(SnowContext *s, Plane *p, DWTELEM *buffer, int width, int height, int stride, int type){ |
| 1845 |
int level, orientation, ys, xs, x, y, pass;
|
| 1846 |
IDWTELEM best_dequant[height * stride]; |
| 1847 |
IDWTELEM idwt2_buffer[height * stride]; |
| 1848 |
const int score_stride= (width + 10)/Q2_STEP; |
| 1849 |
int best_score[(width + 10)/Q2_STEP * (height + 10)/Q2_STEP]; //FIXME size |
| 1850 |
int score[(width + 10)/Q2_STEP * (height + 10)/Q2_STEP]; //FIXME size |
| 1851 |
int threshold= (s->m.lambda * s->m.lambda) >> 6; |
| 1852 |
|
| 1853 |
//FIXME pass the copy cleanly ?
|
| 1854 |
|
| 1855 |
// memcpy(dwt_buffer, buffer, height * stride * sizeof(DWTELEM));
|
| 1856 |
ff_spatial_dwt(buffer, width, height, stride, type, s->spatial_decomposition_count); |
| 1857 |
|
| 1858 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 1859 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 1860 |
SubBand *b= &p->band[level][orientation]; |
| 1861 |
IDWTELEM *dst= best_dequant + (b->ibuf - s->spatial_idwt_buffer); |
| 1862 |
DWTELEM *src= buffer + (b-> buf - s->spatial_dwt_buffer); |
| 1863 |
assert(src == b->buf); // code does not depend on this but it is true currently
|
| 1864 |
|
| 1865 |
quantize(s, b, dst, src, b->stride, s->qbias); |
| 1866 |
} |
| 1867 |
} |
| 1868 |
for(pass=0; pass<1; pass++){ |
| 1869 |
if(s->qbias == 0) //keyframe |
| 1870 |
continue;
|
| 1871 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 1872 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 1873 |
SubBand *b= &p->band[level][orientation]; |
| 1874 |
IDWTELEM *dst= idwt2_buffer + (b->ibuf - s->spatial_idwt_buffer); |
| 1875 |
IDWTELEM *best_dst= best_dequant + (b->ibuf - s->spatial_idwt_buffer); |
| 1876 |
|
| 1877 |
for(ys= 0; ys<Q2_STEP; ys++){ |
| 1878 |
for(xs= 0; xs<Q2_STEP; xs++){ |
| 1879 |
memcpy(idwt2_buffer, best_dequant, height * stride * sizeof(IDWTELEM));
|
| 1880 |
dequantize_all(s, p, idwt2_buffer, width, height); |
| 1881 |
ff_spatial_idwt(idwt2_buffer, width, height, stride, type, s->spatial_decomposition_count); |
| 1882 |
find_sse(s, p, best_score, score_stride, idwt2_buffer, s->spatial_idwt_buffer, level, orientation); |
| 1883 |
memcpy(idwt2_buffer, best_dequant, height * stride * sizeof(IDWTELEM));
|
| 1884 |
for(y=ys; y<b->height; y+= Q2_STEP){
|
| 1885 |
for(x=xs; x<b->width; x+= Q2_STEP){
|
| 1886 |
if(dst[x + y*b->stride]<0) dst[x + y*b->stride]++; |
| 1887 |
if(dst[x + y*b->stride]>0) dst[x + y*b->stride]--; |
| 1888 |
//FIXME try more than just --
|
| 1889 |
} |
| 1890 |
} |
| 1891 |
dequantize_all(s, p, idwt2_buffer, width, height); |
| 1892 |
ff_spatial_idwt(idwt2_buffer, width, height, stride, type, s->spatial_decomposition_count); |
| 1893 |
find_sse(s, p, score, score_stride, idwt2_buffer, s->spatial_idwt_buffer, level, orientation); |
| 1894 |
for(y=ys; y<b->height; y+= Q2_STEP){
|
| 1895 |
for(x=xs; x<b->width; x+= Q2_STEP){
|
| 1896 |
int score_idx= x/Q2_STEP + (y/Q2_STEP)*score_stride;
|
| 1897 |
if(score[score_idx] <= best_score[score_idx] + threshold){
|
| 1898 |
best_score[score_idx]= score[score_idx]; |
| 1899 |
if(best_dst[x + y*b->stride]<0) best_dst[x + y*b->stride]++; |
| 1900 |
if(best_dst[x + y*b->stride]>0) best_dst[x + y*b->stride]--; |
| 1901 |
//FIXME copy instead
|
| 1902 |
} |
| 1903 |
} |
| 1904 |
} |
| 1905 |
} |
| 1906 |
} |
| 1907 |
} |
| 1908 |
} |
| 1909 |
} |
| 1910 |
memcpy(s->spatial_idwt_buffer, best_dequant, height * stride * sizeof(IDWTELEM)); //FIXME work with that directly instead of copy at the end |
| 1911 |
} |
| 1912 |
|
| 1913 |
#endif /* QUANTIZE2==1 */ |
| 1914 |
|
| 1915 |
#define USE_HALFPEL_PLANE 0 |
| 1916 |
|
| 1917 |
static void halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *frame){ |
| 1918 |
int p,x,y;
|
| 1919 |
|
| 1920 |
assert(!(s->avctx->flags & CODEC_FLAG_EMU_EDGE)); |
| 1921 |
|
| 1922 |
for(p=0; p<3; p++){ |
| 1923 |
int is_chroma= !!p;
|
| 1924 |
int w= s->avctx->width >>is_chroma;
|
| 1925 |
int h= s->avctx->height >>is_chroma;
|
| 1926 |
int ls= frame->linesize[p];
|
| 1927 |
uint8_t *src= frame->data[p]; |
| 1928 |
|
| 1929 |
halfpel[1][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls); |
| 1930 |
halfpel[2][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls); |
| 1931 |
halfpel[3][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls); |
| 1932 |
|
| 1933 |
halfpel[0][p]= src;
|
| 1934 |
for(y=0; y<h; y++){ |
| 1935 |
for(x=0; x<w; x++){ |
| 1936 |
int i= y*ls + x;
|
| 1937 |
|
| 1938 |
halfpel[1][p][i]= (20*(src[i] + src[i+1]) - 5*(src[i-1] + src[i+2]) + (src[i-2] + src[i+3]) + 16 )>>5; |
| 1939 |
} |
| 1940 |
} |
| 1941 |
for(y=0; y<h; y++){ |
| 1942 |
for(x=0; x<w; x++){ |
| 1943 |
int i= y*ls + x;
|
| 1944 |
|
| 1945 |
halfpel[2][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5; |
| 1946 |
} |
| 1947 |
} |
| 1948 |
src= halfpel[1][p];
|
| 1949 |
for(y=0; y<h; y++){ |
| 1950 |
for(x=0; x<w; x++){ |
| 1951 |
int i= y*ls + x;
|
| 1952 |
|
| 1953 |
halfpel[3][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5; |
| 1954 |
} |
| 1955 |
} |
| 1956 |
|
| 1957 |
//FIXME border!
|
| 1958 |
} |
| 1959 |
} |
| 1960 |
|
| 1961 |
static void release_buffer(AVCodecContext *avctx){ |
| 1962 |
SnowContext *s = avctx->priv_data; |
| 1963 |
int i;
|
| 1964 |
|
| 1965 |
if(s->last_picture[s->max_ref_frames-1].data[0]){ |
| 1966 |
avctx->release_buffer(avctx, &s->last_picture[s->max_ref_frames-1]);
|
| 1967 |
for(i=0; i<9; i++) |
| 1968 |
if(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3]) |
| 1969 |
av_free(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3] - EDGE_WIDTH*(1+s->current_picture.linesize[i%3])); |
| 1970 |
} |
| 1971 |
} |
| 1972 |
|
| 1973 |
static int frame_start(SnowContext *s){ |
| 1974 |
AVFrame tmp; |
| 1975 |
int w= s->avctx->width; //FIXME round up to x16 ? |
| 1976 |
int h= s->avctx->height;
|
| 1977 |
|
| 1978 |
if(s->current_picture.data[0]){ |
| 1979 |
s->dsp.draw_edges(s->current_picture.data[0], s->current_picture.linesize[0], w , h , EDGE_WIDTH ); |
| 1980 |
s->dsp.draw_edges(s->current_picture.data[1], s->current_picture.linesize[1], w>>1, h>>1, EDGE_WIDTH/2); |
| 1981 |
s->dsp.draw_edges(s->current_picture.data[2], s->current_picture.linesize[2], w>>1, h>>1, EDGE_WIDTH/2); |
| 1982 |
} |
| 1983 |
|
| 1984 |
release_buffer(s->avctx); |
| 1985 |
|
| 1986 |
tmp= s->last_picture[s->max_ref_frames-1];
|
| 1987 |
memmove(s->last_picture+1, s->last_picture, (s->max_ref_frames-1)*sizeof(AVFrame)); |
| 1988 |
memmove(s->halfpel_plane+1, s->halfpel_plane, (s->max_ref_frames-1)*sizeof(void*)*4*4); |
| 1989 |
if(USE_HALFPEL_PLANE && s->current_picture.data[0]) |
| 1990 |
halfpel_interpol(s, s->halfpel_plane[0], &s->current_picture);
|
| 1991 |
s->last_picture[0]= s->current_picture;
|
| 1992 |
s->current_picture= tmp; |
| 1993 |
|
| 1994 |
if(s->keyframe){
|
| 1995 |
s->ref_frames= 0;
|
| 1996 |
}else{
|
| 1997 |
int i;
|
| 1998 |
for(i=0; i<s->max_ref_frames && s->last_picture[i].data[0]; i++) |
| 1999 |
if(i && s->last_picture[i-1].key_frame) |
| 2000 |
break;
|
| 2001 |
s->ref_frames= i; |
| 2002 |
if(s->ref_frames==0){ |
| 2003 |
av_log(s->avctx,AV_LOG_ERROR, "No reference frames\n");
|
| 2004 |
return -1; |
| 2005 |
} |
| 2006 |
} |
| 2007 |
|
| 2008 |
s->current_picture.reference= 1;
|
| 2009 |
if(s->avctx->get_buffer(s->avctx, &s->current_picture) < 0){ |
| 2010 |
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
|
| 2011 |
return -1; |
| 2012 |
} |
| 2013 |
|
| 2014 |
s->current_picture.key_frame= s->keyframe; |
| 2015 |
|
| 2016 |
return 0; |
| 2017 |
} |
| 2018 |
|
| 2019 |
static av_cold void common_end(SnowContext *s){ |
| 2020 |
int plane_index, level, orientation, i;
|
| 2021 |
|
| 2022 |
av_freep(&s->spatial_dwt_buffer); |
| 2023 |
av_freep(&s->spatial_idwt_buffer); |
| 2024 |
|
| 2025 |
s->m.me.temp= NULL;
|
| 2026 |
av_freep(&s->m.me.scratchpad); |
| 2027 |
av_freep(&s->m.me.map); |
| 2028 |
av_freep(&s->m.me.score_map); |
| 2029 |
av_freep(&s->m.obmc_scratchpad); |
| 2030 |
|
| 2031 |
av_freep(&s->block); |
| 2032 |
av_freep(&s->scratchbuf); |
| 2033 |
|
| 2034 |
for(i=0; i<MAX_REF_FRAMES; i++){ |
| 2035 |
av_freep(&s->ref_mvs[i]); |
| 2036 |
av_freep(&s->ref_scores[i]); |
| 2037 |
if(s->last_picture[i].data[0]) |
| 2038 |
s->avctx->release_buffer(s->avctx, &s->last_picture[i]); |
| 2039 |
} |
| 2040 |
|
| 2041 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 2042 |
for(level=s->spatial_decomposition_count-1; level>=0; level--){ |
| 2043 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 2044 |
SubBand *b= &s->plane[plane_index].band[level][orientation]; |
| 2045 |
|
| 2046 |
av_freep(&b->x_coeff); |
| 2047 |
} |
| 2048 |
} |
| 2049 |
} |
| 2050 |
if (s->mconly_picture.data[0]) |
| 2051 |
s->avctx->release_buffer(s->avctx, &s->mconly_picture); |
| 2052 |
if (s->current_picture.data[0]) |
| 2053 |
s->avctx->release_buffer(s->avctx, &s->current_picture); |
| 2054 |
} |
| 2055 |
|
| 2056 |
static av_cold int decode_init(AVCodecContext *avctx) |
| 2057 |
{
|
| 2058 |
avctx->pix_fmt= PIX_FMT_YUV420P; |
| 2059 |
|
| 2060 |
common_init(avctx); |
| 2061 |
|
| 2062 |
return 0; |
| 2063 |
} |
| 2064 |
|
| 2065 |
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt){ |
| 2066 |
const uint8_t *buf = avpkt->data;
|
| 2067 |
int buf_size = avpkt->size;
|
| 2068 |
SnowContext *s = avctx->priv_data; |
| 2069 |
RangeCoder * const c= &s->c;
|
| 2070 |
int bytes_read;
|
| 2071 |
AVFrame *picture = data; |
| 2072 |
int level, orientation, plane_index;
|
| 2073 |
|
| 2074 |
ff_init_range_decoder(c, buf, buf_size); |
| 2075 |
ff_build_rac_states(c, 0.05*(1LL<<32), 256-8); |
| 2076 |
|
| 2077 |
s->current_picture.pict_type= FF_I_TYPE; //FIXME I vs. P
|
| 2078 |
if(decode_header(s)<0) |
| 2079 |
return -1; |
| 2080 |
common_init_after_header(avctx); |
| 2081 |
|
| 2082 |
// realloc slice buffer for the case that spatial_decomposition_count changed
|
| 2083 |
ff_slice_buffer_destroy(&s->sb); |
| 2084 |
ff_slice_buffer_init(&s->sb, s->plane[0].height, (MB_SIZE >> s->block_max_depth) + s->spatial_decomposition_count * 8 + 1, s->plane[0].width, s->spatial_idwt_buffer); |
| 2085 |
|
| 2086 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 2087 |
Plane *p= &s->plane[plane_index]; |
| 2088 |
p->fast_mc= p->diag_mc && p->htaps==6 && p->hcoeff[0]==40 |
| 2089 |
&& p->hcoeff[1]==-10 |
| 2090 |
&& p->hcoeff[2]==2; |
| 2091 |
} |
| 2092 |
|
| 2093 |
alloc_blocks(s); |
| 2094 |
|
| 2095 |
if(frame_start(s) < 0) |
| 2096 |
return -1; |
| 2097 |
//keyframe flag duplication mess FIXME
|
| 2098 |
if(avctx->debug&FF_DEBUG_PICT_INFO)
|
| 2099 |
av_log(avctx, AV_LOG_ERROR, "keyframe:%d qlog:%d\n", s->keyframe, s->qlog);
|
| 2100 |
|
| 2101 |
decode_blocks(s); |
| 2102 |
|
| 2103 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 2104 |
Plane *p= &s->plane[plane_index]; |
| 2105 |
int w= p->width;
|
| 2106 |
int h= p->height;
|
| 2107 |
int x, y;
|
| 2108 |
int decode_state[MAX_DECOMPOSITIONS][4][1]; /* Stored state info for unpack_coeffs. 1 variable per instance. */ |
| 2109 |
|
| 2110 |
if(s->avctx->debug&2048){ |
| 2111 |
memset(s->spatial_dwt_buffer, 0, sizeof(DWTELEM)*w*h); |
| 2112 |
predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
|
| 2113 |
|
| 2114 |
for(y=0; y<h; y++){ |
| 2115 |
for(x=0; x<w; x++){ |
| 2116 |
int v= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x];
|
| 2117 |
s->mconly_picture.data[plane_index][y*s->mconly_picture.linesize[plane_index] + x]= v; |
| 2118 |
} |
| 2119 |
} |
| 2120 |
} |
| 2121 |
|
| 2122 |
{
|
| 2123 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 2124 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 2125 |
SubBand *b= &p->band[level][orientation]; |
| 2126 |
unpack_coeffs(s, b, b->parent, orientation); |
| 2127 |
} |
| 2128 |
} |
| 2129 |
} |
| 2130 |
|
| 2131 |
{
|
| 2132 |
const int mb_h= s->b_height << s->block_max_depth; |
| 2133 |
const int block_size = MB_SIZE >> s->block_max_depth; |
| 2134 |
const int block_w = plane_index ? block_size/2 : block_size; |
| 2135 |
int mb_y;
|
| 2136 |
DWTCompose cs[MAX_DECOMPOSITIONS]; |
| 2137 |
int yd=0, yq=0; |
| 2138 |
int y;
|
| 2139 |
int end_y;
|
| 2140 |
|
| 2141 |
ff_spatial_idwt_buffered_init(cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
| 2142 |
for(mb_y=0; mb_y<=mb_h; mb_y++){ |
| 2143 |
|
| 2144 |
int slice_starty = block_w*mb_y;
|
| 2145 |
int slice_h = block_w*(mb_y+1); |
| 2146 |
if (!(s->keyframe || s->avctx->debug&512)){ |
| 2147 |
slice_starty = FFMAX(0, slice_starty - (block_w >> 1)); |
| 2148 |
slice_h -= (block_w >> 1);
|
| 2149 |
} |
| 2150 |
|
| 2151 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 2152 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 2153 |
SubBand *b= &p->band[level][orientation]; |
| 2154 |
int start_y;
|
| 2155 |
int end_y;
|
| 2156 |
int our_mb_start = mb_y;
|
| 2157 |
int our_mb_end = (mb_y + 1); |
| 2158 |
const int extra= 3; |
| 2159 |
start_y = (mb_y ? ((block_w * our_mb_start) >> (s->spatial_decomposition_count - level)) + s->spatial_decomposition_count - level + extra: 0);
|
| 2160 |
end_y = (((block_w * our_mb_end) >> (s->spatial_decomposition_count - level)) + s->spatial_decomposition_count - level + extra); |
| 2161 |
if (!(s->keyframe || s->avctx->debug&512)){ |
| 2162 |
start_y = FFMAX(0, start_y - (block_w >> (1+s->spatial_decomposition_count - level))); |
| 2163 |
end_y = FFMAX(0, end_y - (block_w >> (1+s->spatial_decomposition_count - level))); |
| 2164 |
} |
| 2165 |
start_y = FFMIN(b->height, start_y); |
| 2166 |
end_y = FFMIN(b->height, end_y); |
| 2167 |
|
| 2168 |
if (start_y != end_y){
|
| 2169 |
if (orientation == 0){ |
| 2170 |
SubBand * correlate_band = &p->band[0][0]; |
| 2171 |
int correlate_end_y = FFMIN(b->height, end_y + 1); |
| 2172 |
int correlate_start_y = FFMIN(b->height, (start_y ? start_y + 1 : 0)); |
| 2173 |
decode_subband_slice_buffered(s, correlate_band, &s->sb, correlate_start_y, correlate_end_y, decode_state[0][0]); |
| 2174 |
correlate_slice_buffered(s, &s->sb, correlate_band, correlate_band->ibuf, correlate_band->stride, 1, 0, correlate_start_y, correlate_end_y); |
| 2175 |
dequantize_slice_buffered(s, &s->sb, correlate_band, correlate_band->ibuf, correlate_band->stride, start_y, end_y); |
| 2176 |
} |
| 2177 |
else
|
| 2178 |
decode_subband_slice_buffered(s, b, &s->sb, start_y, end_y, decode_state[level][orientation]); |
| 2179 |
} |
| 2180 |
} |
| 2181 |
} |
| 2182 |
|
| 2183 |
for(; yd<slice_h; yd+=4){ |
| 2184 |
ff_spatial_idwt_buffered_slice(&s->dwt, cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count, yd);
|
| 2185 |
} |
| 2186 |
|
| 2187 |
if(s->qlog == LOSSLESS_QLOG){
|
| 2188 |
for(; yq<slice_h && yq<h; yq++){
|
| 2189 |
IDWTELEM * line = slice_buffer_get_line(&s->sb, yq); |
| 2190 |
for(x=0; x<w; x++){ |
| 2191 |
line[x] <<= FRAC_BITS; |
| 2192 |
} |
| 2193 |
} |
| 2194 |
} |
| 2195 |
|
| 2196 |
predict_slice_buffered(s, &s->sb, s->spatial_idwt_buffer, plane_index, 1, mb_y);
|
| 2197 |
|
| 2198 |
y = FFMIN(p->height, slice_starty); |
| 2199 |
end_y = FFMIN(p->height, slice_h); |
| 2200 |
while(y < end_y)
|
| 2201 |
ff_slice_buffer_release(&s->sb, y++); |
| 2202 |
} |
| 2203 |
|
| 2204 |
ff_slice_buffer_flush(&s->sb); |
| 2205 |
} |
| 2206 |
|
| 2207 |
} |
| 2208 |
|
| 2209 |
emms_c(); |
| 2210 |
|
| 2211 |
release_buffer(avctx); |
| 2212 |
|
| 2213 |
if(!(s->avctx->debug&2048)) |
| 2214 |
*picture= s->current_picture; |
| 2215 |
else
|
| 2216 |
*picture= s->mconly_picture; |
| 2217 |
|
| 2218 |
*data_size = sizeof(AVFrame);
|
| 2219 |
|
| 2220 |
bytes_read= c->bytestream - c->bytestream_start; |
| 2221 |
if(bytes_read ==0) av_log(s->avctx, AV_LOG_ERROR, "error at end of frame\n"); //FIXME |
| 2222 |
|
| 2223 |
return bytes_read;
|
| 2224 |
} |
| 2225 |
|
| 2226 |
static av_cold int decode_end(AVCodecContext *avctx) |
| 2227 |
{
|
| 2228 |
SnowContext *s = avctx->priv_data; |
| 2229 |
|
| 2230 |
ff_slice_buffer_destroy(&s->sb); |
| 2231 |
|
| 2232 |
common_end(s); |
| 2233 |
|
| 2234 |
return 0; |
| 2235 |
} |
| 2236 |
|
| 2237 |
AVCodec ff_snow_decoder = {
|
| 2238 |
"snow",
|
| 2239 |
AVMEDIA_TYPE_VIDEO, |
| 2240 |
CODEC_ID_SNOW, |
| 2241 |
sizeof(SnowContext),
|
| 2242 |
decode_init, |
| 2243 |
NULL,
|
| 2244 |
decode_end, |
| 2245 |
decode_frame, |
| 2246 |
CODEC_CAP_DR1 /*| CODEC_CAP_DRAW_HORIZ_BAND*/,
|
| 2247 |
NULL,
|
| 2248 |
.long_name = NULL_IF_CONFIG_SMALL("Snow"),
|
| 2249 |
}; |
| 2250 |
|
| 2251 |
#if CONFIG_SNOW_ENCODER
|
| 2252 |
static av_cold int encode_init(AVCodecContext *avctx) |
| 2253 |
{
|
| 2254 |
SnowContext *s = avctx->priv_data; |
| 2255 |
int plane_index;
|
| 2256 |
|
| 2257 |
if(avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
|
| 2258 |
av_log(avctx, AV_LOG_ERROR, "This codec is under development, files encoded with it may not be decodable with future versions!!!\n"
|
| 2259 |
"Use vstrict=-2 / -strict -2 to use it anyway.\n");
|
| 2260 |
return -1; |
| 2261 |
} |
| 2262 |
|
| 2263 |
if(avctx->prediction_method == DWT_97
|
| 2264 |
&& (avctx->flags & CODEC_FLAG_QSCALE) |
| 2265 |
&& avctx->global_quality == 0){
|
| 2266 |
av_log(avctx, AV_LOG_ERROR, "The 9/7 wavelet is incompatible with lossless mode.\n");
|
| 2267 |
return -1; |
| 2268 |
} |
| 2269 |
|
| 2270 |
s->spatial_decomposition_type= avctx->prediction_method; //FIXME add decorrelator type r transform_type
|
| 2271 |
|
| 2272 |
s->mv_scale = (avctx->flags & CODEC_FLAG_QPEL) ? 2 : 4; |
| 2273 |
s->block_max_depth= (avctx->flags & CODEC_FLAG_4MV ) ? 1 : 0; |
| 2274 |
|
| 2275 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 2276 |
s->plane[plane_index].diag_mc= 1;
|
| 2277 |
s->plane[plane_index].htaps= 6;
|
| 2278 |
s->plane[plane_index].hcoeff[0]= 40; |
| 2279 |
s->plane[plane_index].hcoeff[1]= -10; |
| 2280 |
s->plane[plane_index].hcoeff[2]= 2; |
| 2281 |
s->plane[plane_index].fast_mc= 1;
|
| 2282 |
} |
| 2283 |
|
| 2284 |
common_init(avctx); |
| 2285 |
alloc_blocks(s); |
| 2286 |
|
| 2287 |
s->version=0;
|
| 2288 |
|
| 2289 |
s->m.avctx = avctx; |
| 2290 |
s->m.flags = avctx->flags; |
| 2291 |
s->m.bit_rate= avctx->bit_rate; |
| 2292 |
|
| 2293 |
s->m.me.temp = |
| 2294 |
s->m.me.scratchpad= av_mallocz((avctx->width+64)*2*16*2*sizeof(uint8_t)); |
| 2295 |
s->m.me.map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
|
| 2296 |
s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
|
| 2297 |
s->m.obmc_scratchpad= av_mallocz(MB_SIZE*MB_SIZE*12*sizeof(uint32_t)); |
| 2298 |
h263_encode_init(&s->m); //mv_penalty
|
| 2299 |
|
| 2300 |
s->max_ref_frames = FFMAX(FFMIN(avctx->refs, MAX_REF_FRAMES), 1);
|
| 2301 |
|
| 2302 |
if(avctx->flags&CODEC_FLAG_PASS1){
|
| 2303 |
if(!avctx->stats_out)
|
| 2304 |
avctx->stats_out = av_mallocz(256);
|
| 2305 |
} |
| 2306 |
if((avctx->flags&CODEC_FLAG_PASS2) || !(avctx->flags&CODEC_FLAG_QSCALE)){
|
| 2307 |
if(ff_rate_control_init(&s->m) < 0) |
| 2308 |
return -1; |
| 2309 |
} |
| 2310 |
s->pass1_rc= !(avctx->flags & (CODEC_FLAG_QSCALE|CODEC_FLAG_PASS2)); |
| 2311 |
|
| 2312 |
avctx->coded_frame= &s->current_picture; |
| 2313 |
switch(avctx->pix_fmt){
|
| 2314 |
// case PIX_FMT_YUV444P:
|
| 2315 |
// case PIX_FMT_YUV422P:
|
| 2316 |
case PIX_FMT_YUV420P:
|
| 2317 |
case PIX_FMT_GRAY8:
|
| 2318 |
// case PIX_FMT_YUV411P:
|
| 2319 |
// case PIX_FMT_YUV410P:
|
| 2320 |
s->colorspace_type= 0;
|
| 2321 |
break;
|
| 2322 |
/* case PIX_FMT_RGB32:
|
| 2323 |
s->colorspace= 1;
|
| 2324 |
break;*/
|
| 2325 |
default:
|
| 2326 |
av_log(avctx, AV_LOG_ERROR, "pixel format not supported\n");
|
| 2327 |
return -1; |
| 2328 |
} |
| 2329 |
// avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
|
| 2330 |
s->chroma_h_shift= 1;
|
| 2331 |
s->chroma_v_shift= 1;
|
| 2332 |
|
| 2333 |
ff_set_cmp(&s->dsp, s->dsp.me_cmp, s->avctx->me_cmp); |
| 2334 |
ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp); |
| 2335 |
|
| 2336 |
s->avctx->get_buffer(s->avctx, &s->input_picture); |
| 2337 |
|
| 2338 |
if(s->avctx->me_method == ME_ITER){
|
| 2339 |
int i;
|
| 2340 |
int size= s->b_width * s->b_height << 2*s->block_max_depth; |
| 2341 |
for(i=0; i<s->max_ref_frames; i++){ |
| 2342 |
s->ref_mvs[i]= av_mallocz(size*sizeof(int16_t[2])); |
| 2343 |
s->ref_scores[i]= av_mallocz(size*sizeof(uint32_t));
|
| 2344 |
} |
| 2345 |
} |
| 2346 |
|
| 2347 |
return 0; |
| 2348 |
} |
| 2349 |
|
| 2350 |
//near copy & paste from dsputil, FIXME
|
| 2351 |
static int pix_sum(uint8_t * pix, int line_size, int w) |
| 2352 |
{
|
| 2353 |
int s, i, j;
|
| 2354 |
|
| 2355 |
s = 0;
|
| 2356 |
for (i = 0; i < w; i++) { |
| 2357 |
for (j = 0; j < w; j++) { |
| 2358 |
s += pix[0];
|
| 2359 |
pix ++; |
| 2360 |
} |
| 2361 |
pix += line_size - w; |
| 2362 |
} |
| 2363 |
return s;
|
| 2364 |
} |
| 2365 |
|
| 2366 |
//near copy & paste from dsputil, FIXME
|
| 2367 |
static int pix_norm1(uint8_t * pix, int line_size, int w) |
| 2368 |
{
|
| 2369 |
int s, i, j;
|
| 2370 |
uint32_t *sq = ff_squareTbl + 256;
|
| 2371 |
|
| 2372 |
s = 0;
|
| 2373 |
for (i = 0; i < w; i++) { |
| 2374 |
for (j = 0; j < w; j ++) { |
| 2375 |
s += sq[pix[0]];
|
| 2376 |
pix ++; |
| 2377 |
} |
| 2378 |
pix += line_size - w; |
| 2379 |
} |
| 2380 |
return s;
|
| 2381 |
} |
| 2382 |
|
| 2383 |
//FIXME copy&paste
|
| 2384 |
#define P_LEFT P[1] |
| 2385 |
#define P_TOP P[2] |
| 2386 |
#define P_TOPRIGHT P[3] |
| 2387 |
#define P_MEDIAN P[4] |
| 2388 |
#define P_MV1 P[9] |
| 2389 |
#define FLAG_QPEL 1 //must be 1 |
| 2390 |
|
| 2391 |
static int encode_q_branch(SnowContext *s, int level, int x, int y){ |
| 2392 |
uint8_t p_buffer[1024];
|
| 2393 |
uint8_t i_buffer[1024];
|
| 2394 |
uint8_t p_state[sizeof(s->block_state)];
|
| 2395 |
uint8_t i_state[sizeof(s->block_state)];
|
| 2396 |
RangeCoder pc, ic; |
| 2397 |
uint8_t *pbbak= s->c.bytestream; |
| 2398 |
uint8_t *pbbak_start= s->c.bytestream_start; |
| 2399 |
int score, score2, iscore, i_len, p_len, block_s, sum, base_bits;
|
| 2400 |
const int w= s->b_width << s->block_max_depth; |
| 2401 |
const int h= s->b_height << s->block_max_depth; |
| 2402 |
const int rem_depth= s->block_max_depth - level; |
| 2403 |
const int index= (x + y*w) << rem_depth; |
| 2404 |
const int block_w= 1<<(LOG2_MB_SIZE - level); |
| 2405 |
int trx= (x+1)<<rem_depth; |
| 2406 |
int try= (y+1)<<rem_depth; |
| 2407 |
const BlockNode *left = x ? &s->block[index-1] : &null_block; |
| 2408 |
const BlockNode *top = y ? &s->block[index-w] : &null_block;
|
| 2409 |
const BlockNode *right = trx<w ? &s->block[index+1] : &null_block; |
| 2410 |
const BlockNode *bottom= try<h ? &s->block[index+w] : &null_block;
|
| 2411 |
const BlockNode *tl = y && x ? &s->block[index-w-1] : left; |
| 2412 |
const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt |
| 2413 |
int pl = left->color[0]; |
| 2414 |
int pcb= left->color[1]; |
| 2415 |
int pcr= left->color[2]; |
| 2416 |
int pmx, pmy;
|
| 2417 |
int mx=0, my=0; |
| 2418 |
int l,cr,cb;
|
| 2419 |
const int stride= s->current_picture.linesize[0]; |
| 2420 |
const int uvstride= s->current_picture.linesize[1]; |
| 2421 |
uint8_t *current_data[3]= { s->input_picture.data[0] + (x + y* stride)*block_w, |
| 2422 |
s->input_picture.data[1] + (x + y*uvstride)*block_w/2, |
| 2423 |
s->input_picture.data[2] + (x + y*uvstride)*block_w/2}; |
| 2424 |
int P[10][2]; |
| 2425 |
int16_t last_mv[3][2]; |
| 2426 |
int qpel= !!(s->avctx->flags & CODEC_FLAG_QPEL); //unused |
| 2427 |
const int shift= 1+qpel; |
| 2428 |
MotionEstContext *c= &s->m.me; |
| 2429 |
int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref); |
| 2430 |
int mx_context= av_log2(2*FFABS(left->mx - top->mx)); |
| 2431 |
int my_context= av_log2(2*FFABS(left->my - top->my)); |
| 2432 |
int s_context= 2*left->level + 2*top->level + tl->level + tr->level; |
| 2433 |
int ref, best_ref, ref_score, ref_mx, ref_my;
|
| 2434 |
|
| 2435 |
assert(sizeof(s->block_state) >= 256); |
| 2436 |
if(s->keyframe){
|
| 2437 |
set_blocks(s, level, x, y, pl, pcb, pcr, 0, 0, 0, BLOCK_INTRA); |
| 2438 |
return 0; |
| 2439 |
} |
| 2440 |
|
| 2441 |
// clip predictors / edge ?
|
| 2442 |
|
| 2443 |
P_LEFT[0]= left->mx;
|
| 2444 |
P_LEFT[1]= left->my;
|
| 2445 |
P_TOP [0]= top->mx;
|
| 2446 |
P_TOP [1]= top->my;
|
| 2447 |
P_TOPRIGHT[0]= tr->mx;
|
| 2448 |
P_TOPRIGHT[1]= tr->my;
|
| 2449 |
|
| 2450 |
last_mv[0][0]= s->block[index].mx; |
| 2451 |
last_mv[0][1]= s->block[index].my; |
| 2452 |
last_mv[1][0]= right->mx; |
| 2453 |
last_mv[1][1]= right->my; |
| 2454 |
last_mv[2][0]= bottom->mx; |
| 2455 |
last_mv[2][1]= bottom->my; |
| 2456 |
|
| 2457 |
s->m.mb_stride=2;
|
| 2458 |
s->m.mb_x= |
| 2459 |
s->m.mb_y= 0;
|
| 2460 |
c->skip= 0;
|
| 2461 |
|
| 2462 |
assert(c-> stride == stride); |
| 2463 |
assert(c->uvstride == uvstride); |
| 2464 |
|
| 2465 |
c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); |
| 2466 |
c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); |
| 2467 |
c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); |
| 2468 |
c->current_mv_penalty= c->mv_penalty[s->m.f_code=1] + MAX_MV;
|
| 2469 |
|
| 2470 |
c->xmin = - x*block_w - 16+3; |
| 2471 |
c->ymin = - y*block_w - 16+3; |
| 2472 |
c->xmax = - (x+1)*block_w + (w<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-3; |
| 2473 |
c->ymax = - (y+1)*block_w + (h<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-3; |
| 2474 |
|
| 2475 |
if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); |
| 2476 |
if(P_LEFT[1] > (c->ymax<<shift)) P_LEFT[1] = (c->ymax<<shift); |
| 2477 |
if(P_TOP[0] > (c->xmax<<shift)) P_TOP[0] = (c->xmax<<shift); |
| 2478 |
if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); |
| 2479 |
if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); |
| 2480 |
if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); //due to pmx no clip |
| 2481 |
if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); |
| 2482 |
|
| 2483 |
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); |
| 2484 |
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); |
| 2485 |
|
| 2486 |
if (!y) {
|
| 2487 |
c->pred_x= P_LEFT[0];
|
| 2488 |
c->pred_y= P_LEFT[1];
|
| 2489 |
} else {
|
| 2490 |
c->pred_x = P_MEDIAN[0];
|
| 2491 |
c->pred_y = P_MEDIAN[1];
|
| 2492 |
} |
| 2493 |
|
| 2494 |
score= INT_MAX; |
| 2495 |
best_ref= 0;
|
| 2496 |
for(ref=0; ref<s->ref_frames; ref++){ |
| 2497 |
init_ref(c, current_data, s->last_picture[ref].data, NULL, block_w*x, block_w*y, 0); |
| 2498 |
|
| 2499 |
ref_score= ff_epzs_motion_search(&s->m, &ref_mx, &ref_my, P, 0, /*ref_index*/ 0, last_mv, |
| 2500 |
(1<<16)>>shift, level-LOG2_MB_SIZE+4, block_w); |
| 2501 |
|
| 2502 |
assert(ref_mx >= c->xmin); |
| 2503 |
assert(ref_mx <= c->xmax); |
| 2504 |
assert(ref_my >= c->ymin); |
| 2505 |
assert(ref_my <= c->ymax); |
| 2506 |
|
| 2507 |
ref_score= c->sub_motion_search(&s->m, &ref_mx, &ref_my, ref_score, 0, 0, level-LOG2_MB_SIZE+4, block_w); |
| 2508 |
ref_score= ff_get_mb_score(&s->m, ref_mx, ref_my, 0, 0, level-LOG2_MB_SIZE+4, block_w, 0); |
| 2509 |
ref_score+= 2*av_log2(2*ref)*c->penalty_factor; |
| 2510 |
if(s->ref_mvs[ref]){
|
| 2511 |
s->ref_mvs[ref][index][0]= ref_mx;
|
| 2512 |
s->ref_mvs[ref][index][1]= ref_my;
|
| 2513 |
s->ref_scores[ref][index]= ref_score; |
| 2514 |
} |
| 2515 |
if(score > ref_score){
|
| 2516 |
score= ref_score; |
| 2517 |
best_ref= ref; |
| 2518 |
mx= ref_mx; |
| 2519 |
my= ref_my; |
| 2520 |
} |
| 2521 |
} |
| 2522 |
//FIXME if mb_cmp != SSE then intra cannot be compared currently and mb_penalty vs. lambda2
|
| 2523 |
|
| 2524 |
// subpel search
|
| 2525 |
base_bits= get_rac_count(&s->c) - 8*(s->c.bytestream - s->c.bytestream_start);
|
| 2526 |
pc= s->c; |
| 2527 |
pc.bytestream_start= |
| 2528 |
pc.bytestream= p_buffer; //FIXME end/start? and at the other stoo
|
| 2529 |
memcpy(p_state, s->block_state, sizeof(s->block_state));
|
| 2530 |
|
| 2531 |
if(level!=s->block_max_depth)
|
| 2532 |
put_rac(&pc, &p_state[4 + s_context], 1); |
| 2533 |
put_rac(&pc, &p_state[1 + left->type + top->type], 0); |
| 2534 |
if(s->ref_frames > 1) |
| 2535 |
put_symbol(&pc, &p_state[128 + 1024 + 32*ref_context], best_ref, 0); |
| 2536 |
pred_mv(s, &pmx, &pmy, best_ref, left, top, tr); |
| 2537 |
put_symbol(&pc, &p_state[128 + 32*(mx_context + 16*!!best_ref)], mx - pmx, 1); |
| 2538 |
put_symbol(&pc, &p_state[128 + 32*(my_context + 16*!!best_ref)], my - pmy, 1); |
| 2539 |
p_len= pc.bytestream - pc.bytestream_start; |
| 2540 |
score += (s->lambda2*(get_rac_count(&pc)-base_bits))>>FF_LAMBDA_SHIFT; |
| 2541 |
|
| 2542 |
block_s= block_w*block_w; |
| 2543 |
sum = pix_sum(current_data[0], stride, block_w);
|
| 2544 |
l= (sum + block_s/2)/block_s;
|
| 2545 |
iscore = pix_norm1(current_data[0], stride, block_w) - 2*l*sum + l*l*block_s; |
| 2546 |
|
| 2547 |
block_s= block_w*block_w>>2;
|
| 2548 |
sum = pix_sum(current_data[1], uvstride, block_w>>1); |
| 2549 |
cb= (sum + block_s/2)/block_s;
|
| 2550 |
// iscore += pix_norm1(¤t_mb[1][0], uvstride, block_w>>1) - 2*cb*sum + cb*cb*block_s;
|
| 2551 |
sum = pix_sum(current_data[2], uvstride, block_w>>1); |
| 2552 |
cr= (sum + block_s/2)/block_s;
|
| 2553 |
// iscore += pix_norm1(¤t_mb[2][0], uvstride, block_w>>1) - 2*cr*sum + cr*cr*block_s;
|
| 2554 |
|
| 2555 |
ic= s->c; |
| 2556 |
ic.bytestream_start= |
| 2557 |
ic.bytestream= i_buffer; //FIXME end/start? and at the other stoo
|
| 2558 |
memcpy(i_state, s->block_state, sizeof(s->block_state));
|
| 2559 |
if(level!=s->block_max_depth)
|
| 2560 |
put_rac(&ic, &i_state[4 + s_context], 1); |
| 2561 |
put_rac(&ic, &i_state[1 + left->type + top->type], 1); |
| 2562 |
put_symbol(&ic, &i_state[32], l-pl , 1); |
| 2563 |
put_symbol(&ic, &i_state[64], cb-pcb, 1); |
| 2564 |
put_symbol(&ic, &i_state[96], cr-pcr, 1); |
| 2565 |
i_len= ic.bytestream - ic.bytestream_start; |
| 2566 |
iscore += (s->lambda2*(get_rac_count(&ic)-base_bits))>>FF_LAMBDA_SHIFT; |
| 2567 |
|
| 2568 |
// assert(score==256*256*256*64-1);
|
| 2569 |
assert(iscore < 255*255*256 + s->lambda2*10); |
| 2570 |
assert(iscore >= 0);
|
| 2571 |
assert(l>=0 && l<=255); |
| 2572 |
assert(pl>=0 && pl<=255); |
| 2573 |
|
| 2574 |
if(level==0){ |
| 2575 |
int varc= iscore >> 8; |
| 2576 |
int vard= score >> 8; |
| 2577 |
if (vard <= 64 || vard < varc) |
| 2578 |
c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc); |
| 2579 |
else
|
| 2580 |
c->scene_change_score+= s->m.qscale; |
| 2581 |
} |
| 2582 |
|
| 2583 |
if(level!=s->block_max_depth){
|
| 2584 |
put_rac(&s->c, &s->block_state[4 + s_context], 0); |
| 2585 |
score2 = encode_q_branch(s, level+1, 2*x+0, 2*y+0); |
| 2586 |
score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+0); |
| 2587 |
score2+= encode_q_branch(s, level+1, 2*x+0, 2*y+1); |
| 2588 |
score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+1); |
| 2589 |
score2+= s->lambda2>>FF_LAMBDA_SHIFT; //FIXME exact split overhead
|
| 2590 |
|
| 2591 |
if(score2 < score && score2 < iscore)
|
| 2592 |
return score2;
|
| 2593 |
} |
| 2594 |
|
| 2595 |
if(iscore < score){
|
| 2596 |
pred_mv(s, &pmx, &pmy, 0, left, top, tr);
|
| 2597 |
memcpy(pbbak, i_buffer, i_len); |
| 2598 |
s->c= ic; |
| 2599 |
s->c.bytestream_start= pbbak_start; |
| 2600 |
s->c.bytestream= pbbak + i_len; |
| 2601 |
set_blocks(s, level, x, y, l, cb, cr, pmx, pmy, 0, BLOCK_INTRA);
|
| 2602 |
memcpy(s->block_state, i_state, sizeof(s->block_state));
|
| 2603 |
return iscore;
|
| 2604 |
}else{
|
| 2605 |
memcpy(pbbak, p_buffer, p_len); |
| 2606 |
s->c= pc; |
| 2607 |
s->c.bytestream_start= pbbak_start; |
| 2608 |
s->c.bytestream= pbbak + p_len; |
| 2609 |
set_blocks(s, level, x, y, pl, pcb, pcr, mx, my, best_ref, 0);
|
| 2610 |
memcpy(s->block_state, p_state, sizeof(s->block_state));
|
| 2611 |
return score;
|
| 2612 |
} |
| 2613 |
} |
| 2614 |
|
| 2615 |
static void encode_q_branch2(SnowContext *s, int level, int x, int y){ |
| 2616 |
const int w= s->b_width << s->block_max_depth; |
| 2617 |
const int rem_depth= s->block_max_depth - level; |
| 2618 |
const int index= (x + y*w) << rem_depth; |
| 2619 |
int trx= (x+1)<<rem_depth; |
| 2620 |
BlockNode *b= &s->block[index]; |
| 2621 |
const BlockNode *left = x ? &s->block[index-1] : &null_block; |
| 2622 |
const BlockNode *top = y ? &s->block[index-w] : &null_block;
|
| 2623 |
const BlockNode *tl = y && x ? &s->block[index-w-1] : left; |
| 2624 |
const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt |
| 2625 |
int pl = left->color[0]; |
| 2626 |
int pcb= left->color[1]; |
| 2627 |
int pcr= left->color[2]; |
| 2628 |
int pmx, pmy;
|
| 2629 |
int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref); |
| 2630 |
int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 16*!!b->ref; |
| 2631 |
int my_context= av_log2(2*FFABS(left->my - top->my)) + 16*!!b->ref; |
| 2632 |
int s_context= 2*left->level + 2*top->level + tl->level + tr->level; |
| 2633 |
|
| 2634 |
if(s->keyframe){
|
| 2635 |
set_blocks(s, level, x, y, pl, pcb, pcr, 0, 0, 0, BLOCK_INTRA); |
| 2636 |
return;
|
| 2637 |
} |
| 2638 |
|
| 2639 |
if(level!=s->block_max_depth){
|
| 2640 |
if(same_block(b,b+1) && same_block(b,b+w) && same_block(b,b+w+1)){ |
| 2641 |
put_rac(&s->c, &s->block_state[4 + s_context], 1); |
| 2642 |
}else{
|
| 2643 |
put_rac(&s->c, &s->block_state[4 + s_context], 0); |
| 2644 |
encode_q_branch2(s, level+1, 2*x+0, 2*y+0); |
| 2645 |
encode_q_branch2(s, level+1, 2*x+1, 2*y+0); |
| 2646 |
encode_q_branch2(s, level+1, 2*x+0, 2*y+1); |
| 2647 |
encode_q_branch2(s, level+1, 2*x+1, 2*y+1); |
| 2648 |
return;
|
| 2649 |
} |
| 2650 |
} |
| 2651 |
if(b->type & BLOCK_INTRA){
|
| 2652 |
pred_mv(s, &pmx, &pmy, 0, left, top, tr);
|
| 2653 |
put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 1); |
| 2654 |
put_symbol(&s->c, &s->block_state[32], b->color[0]-pl , 1); |
| 2655 |
put_symbol(&s->c, &s->block_state[64], b->color[1]-pcb, 1); |
| 2656 |
put_symbol(&s->c, &s->block_state[96], b->color[2]-pcr, 1); |
| 2657 |
set_blocks(s, level, x, y, b->color[0], b->color[1], b->color[2], pmx, pmy, 0, BLOCK_INTRA); |
| 2658 |
}else{
|
| 2659 |
pred_mv(s, &pmx, &pmy, b->ref, left, top, tr); |
| 2660 |
put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 0); |
| 2661 |
if(s->ref_frames > 1) |
| 2662 |
put_symbol(&s->c, &s->block_state[128 + 1024 + 32*ref_context], b->ref, 0); |
| 2663 |
put_symbol(&s->c, &s->block_state[128 + 32*mx_context], b->mx - pmx, 1); |
| 2664 |
put_symbol(&s->c, &s->block_state[128 + 32*my_context], b->my - pmy, 1); |
| 2665 |
set_blocks(s, level, x, y, pl, pcb, pcr, b->mx, b->my, b->ref, 0);
|
| 2666 |
} |
| 2667 |
} |
| 2668 |
|
| 2669 |
static int get_dc(SnowContext *s, int mb_x, int mb_y, int plane_index){ |
| 2670 |
int i, x2, y2;
|
| 2671 |
Plane *p= &s->plane[plane_index]; |
| 2672 |
const int block_size = MB_SIZE >> s->block_max_depth; |
| 2673 |
const int block_w = plane_index ? block_size/2 : block_size; |
| 2674 |
const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth]; |
| 2675 |
const int obmc_stride= plane_index ? block_size : 2*block_size; |
| 2676 |
const int ref_stride= s->current_picture.linesize[plane_index]; |
| 2677 |
uint8_t *src= s-> input_picture.data[plane_index]; |
| 2678 |
IDWTELEM *dst= (IDWTELEM*)s->m.obmc_scratchpad + plane_index*block_size*block_size*4; //FIXME change to unsigned |
| 2679 |
const int b_stride = s->b_width << s->block_max_depth; |
| 2680 |
const int w= p->width; |
| 2681 |
const int h= p->height; |
| 2682 |
int index= mb_x + mb_y*b_stride;
|
| 2683 |
BlockNode *b= &s->block[index]; |
| 2684 |
BlockNode backup= *b; |
| 2685 |
int ab=0; |
| 2686 |
int aa=0; |
| 2687 |
|
| 2688 |
b->type|= BLOCK_INTRA; |
| 2689 |
b->color[plane_index]= 0;
|
| 2690 |
memset(dst, 0, obmc_stride*obmc_stride*sizeof(IDWTELEM)); |
| 2691 |
|
| 2692 |
for(i=0; i<4; i++){ |
| 2693 |
int mb_x2= mb_x + (i &1) - 1; |
| 2694 |
int mb_y2= mb_y + (i>>1) - 1; |
| 2695 |
int x= block_w*mb_x2 + block_w/2; |
| 2696 |
int y= block_w*mb_y2 + block_w/2; |
| 2697 |
|
| 2698 |
add_yblock(s, 0, NULL, dst + ((i&1)+(i>>1)*obmc_stride)*block_w, NULL, obmc, |
| 2699 |
x, y, block_w, block_w, w, h, obmc_stride, ref_stride, obmc_stride, mb_x2, mb_y2, 0, 0, plane_index); |
| 2700 |
|
| 2701 |
for(y2= FFMAX(y, 0); y2<FFMIN(h, y+block_w); y2++){ |
| 2702 |
for(x2= FFMAX(x, 0); x2<FFMIN(w, x+block_w); x2++){ |
| 2703 |
int index= x2-(block_w*mb_x - block_w/2) + (y2-(block_w*mb_y - block_w/2))*obmc_stride; |
| 2704 |
int obmc_v= obmc[index];
|
| 2705 |
int d;
|
| 2706 |
if(y<0) obmc_v += obmc[index + block_w*obmc_stride]; |
| 2707 |
if(x<0) obmc_v += obmc[index + block_w]; |
| 2708 |
if(y+block_w>h) obmc_v += obmc[index - block_w*obmc_stride];
|
| 2709 |
if(x+block_w>w) obmc_v += obmc[index - block_w];
|
| 2710 |
//FIXME precalculate this or simplify it somehow else
|
| 2711 |
|
| 2712 |
d = -dst[index] + (1<<(FRAC_BITS-1)); |
| 2713 |
dst[index] = d; |
| 2714 |
ab += (src[x2 + y2*ref_stride] - (d>>FRAC_BITS)) * obmc_v; |
| 2715 |
aa += obmc_v * obmc_v; //FIXME precalculate this
|
| 2716 |
} |
| 2717 |
} |
| 2718 |
} |
| 2719 |
*b= backup; |
| 2720 |
|
| 2721 |
return av_clip(((ab<<LOG2_OBMC_MAX) + aa/2)/aa, 0, 255); //FIXME we should not need clipping |
| 2722 |
} |
| 2723 |
|
| 2724 |
static inline int get_block_bits(SnowContext *s, int x, int y, int w){ |
| 2725 |
const int b_stride = s->b_width << s->block_max_depth; |
| 2726 |
const int b_height = s->b_height<< s->block_max_depth; |
| 2727 |
int index= x + y*b_stride;
|
| 2728 |
const BlockNode *b = &s->block[index];
|
| 2729 |
const BlockNode *left = x ? &s->block[index-1] : &null_block; |
| 2730 |
const BlockNode *top = y ? &s->block[index-b_stride] : &null_block;
|
| 2731 |
const BlockNode *tl = y && x ? &s->block[index-b_stride-1] : left; |
| 2732 |
const BlockNode *tr = y && x+w<b_stride ? &s->block[index-b_stride+w] : tl;
|
| 2733 |
int dmx, dmy;
|
| 2734 |
// int mx_context= av_log2(2*FFABS(left->mx - top->mx));
|
| 2735 |
// int my_context= av_log2(2*FFABS(left->my - top->my));
|
| 2736 |
|
| 2737 |
if(x<0 || x>=b_stride || y>=b_height) |
| 2738 |
return 0; |
| 2739 |
/*
|
| 2740 |
1 0 0
|
| 2741 |
01X 1-2 1
|
| 2742 |
001XX 3-6 2-3
|
| 2743 |
0001XXX 7-14 4-7
|
| 2744 |
00001XXXX 15-30 8-15
|
| 2745 |
*/
|
| 2746 |
//FIXME try accurate rate
|
| 2747 |
//FIXME intra and inter predictors if surrounding blocks are not the same type
|
| 2748 |
if(b->type & BLOCK_INTRA){
|
| 2749 |
return 3+2*( av_log2(2*FFABS(left->color[0] - b->color[0])) |
| 2750 |
+ av_log2(2*FFABS(left->color[1] - b->color[1])) |
| 2751 |
+ av_log2(2*FFABS(left->color[2] - b->color[2]))); |
| 2752 |
}else{
|
| 2753 |
pred_mv(s, &dmx, &dmy, b->ref, left, top, tr); |
| 2754 |
dmx-= b->mx; |
| 2755 |
dmy-= b->my; |
| 2756 |
return 2*(1 + av_log2(2*FFABS(dmx)) //FIXME kill the 2* can be merged in lambda |
| 2757 |
+ av_log2(2*FFABS(dmy))
|
| 2758 |
+ av_log2(2*b->ref));
|
| 2759 |
} |
| 2760 |
} |
| 2761 |
|
| 2762 |
static int get_block_rd(SnowContext *s, int mb_x, int mb_y, int plane_index, const uint8_t *obmc_edged){ |
| 2763 |
Plane *p= &s->plane[plane_index]; |
| 2764 |
const int block_size = MB_SIZE >> s->block_max_depth; |
| 2765 |
const int block_w = plane_index ? block_size/2 : block_size; |
| 2766 |
const int obmc_stride= plane_index ? block_size : 2*block_size; |
| 2767 |
const int ref_stride= s->current_picture.linesize[plane_index]; |
| 2768 |
uint8_t *dst= s->current_picture.data[plane_index]; |
| 2769 |
uint8_t *src= s-> input_picture.data[plane_index]; |
| 2770 |
IDWTELEM *pred= (IDWTELEM*)s->m.obmc_scratchpad + plane_index*block_size*block_size*4;
|
| 2771 |
uint8_t *cur = s->scratchbuf; |
| 2772 |
uint8_t tmp[ref_stride*(2*MB_SIZE+HTAPS_MAX-1)]; |
| 2773 |
const int b_stride = s->b_width << s->block_max_depth; |
| 2774 |
const int b_height = s->b_height<< s->block_max_depth; |
| 2775 |
const int w= p->width; |
| 2776 |
const int h= p->height; |
| 2777 |
int distortion;
|
| 2778 |
int rate= 0; |
| 2779 |
const int penalty_factor= get_penalty_factor(s->lambda, s->lambda2, s->avctx->me_cmp); |
| 2780 |
int sx= block_w*mb_x - block_w/2; |
| 2781 |
int sy= block_w*mb_y - block_w/2; |
| 2782 |
int x0= FFMAX(0,-sx); |
| 2783 |
int y0= FFMAX(0,-sy); |
| 2784 |
int x1= FFMIN(block_w*2, w-sx); |
| 2785 |
int y1= FFMIN(block_w*2, h-sy); |
| 2786 |
int i,x,y;
|
| 2787 |
|
| 2788 |
pred_block(s, cur, tmp, ref_stride, sx, sy, block_w*2, block_w*2, &s->block[mb_x + mb_y*b_stride], plane_index, w, h); |
| 2789 |
|
| 2790 |
for(y=y0; y<y1; y++){
|
| 2791 |
const uint8_t *obmc1= obmc_edged + y*obmc_stride;
|
| 2792 |
const IDWTELEM *pred1 = pred + y*obmc_stride;
|
| 2793 |
uint8_t *cur1 = cur + y*ref_stride; |
| 2794 |
uint8_t *dst1 = dst + sx + (sy+y)*ref_stride; |
| 2795 |
for(x=x0; x<x1; x++){
|
| 2796 |
#if FRAC_BITS >= LOG2_OBMC_MAX
|
| 2797 |
int v = (cur1[x] * obmc1[x]) << (FRAC_BITS - LOG2_OBMC_MAX);
|
| 2798 |
#else
|
| 2799 |
int v = (cur1[x] * obmc1[x] + (1<<(LOG2_OBMC_MAX - FRAC_BITS-1))) >> (LOG2_OBMC_MAX - FRAC_BITS); |
| 2800 |
#endif
|
| 2801 |
v = (v + pred1[x]) >> FRAC_BITS; |
| 2802 |
if(v&(~255)) v= ~(v>>31); |
| 2803 |
dst1[x] = v; |
| 2804 |
} |
| 2805 |
} |
| 2806 |
|
| 2807 |
/* copy the regions where obmc[] = (uint8_t)256 */
|
| 2808 |
if(LOG2_OBMC_MAX == 8 |
| 2809 |
&& (mb_x == 0 || mb_x == b_stride-1) |
| 2810 |
&& (mb_y == 0 || mb_y == b_height-1)){ |
| 2811 |
if(mb_x == 0) |
| 2812 |
x1 = block_w; |
| 2813 |
else
|
| 2814 |
x0 = block_w; |
| 2815 |
if(mb_y == 0) |
| 2816 |
y1 = block_w; |
| 2817 |
else
|
| 2818 |
y0 = block_w; |
| 2819 |
for(y=y0; y<y1; y++)
|
| 2820 |
memcpy(dst + sx+x0 + (sy+y)*ref_stride, cur + x0 + y*ref_stride, x1-x0); |
| 2821 |
} |
| 2822 |
|
| 2823 |
if(block_w==16){ |
| 2824 |
/* FIXME rearrange dsputil to fit 32x32 cmp functions */
|
| 2825 |
/* FIXME check alignment of the cmp wavelet vs the encoding wavelet */
|
| 2826 |
/* FIXME cmps overlap but do not cover the wavelet's whole support.
|
| 2827 |
* So improving the score of one block is not strictly guaranteed
|
| 2828 |
* to improve the score of the whole frame, thus iterative motion
|
| 2829 |
* estimation does not always converge. */
|
| 2830 |
if(s->avctx->me_cmp == FF_CMP_W97)
|
| 2831 |
distortion = ff_w97_32_c(&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, 32);
|
| 2832 |
else if(s->avctx->me_cmp == FF_CMP_W53) |
| 2833 |
distortion = ff_w53_32_c(&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, 32);
|
| 2834 |
else{
|
| 2835 |
distortion = 0;
|
| 2836 |
for(i=0; i<4; i++){ |
| 2837 |
int off = sx+16*(i&1) + (sy+16*(i>>1))*ref_stride; |
| 2838 |
distortion += s->dsp.me_cmp[0](&s->m, src + off, dst + off, ref_stride, 16); |
| 2839 |
} |
| 2840 |
} |
| 2841 |
}else{
|
| 2842 |
assert(block_w==8);
|
| 2843 |
distortion = s->dsp.me_cmp[0](&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, block_w*2); |
| 2844 |
} |
| 2845 |
|
| 2846 |
if(plane_index==0){ |
| 2847 |
for(i=0; i<4; i++){ |
| 2848 |
/* ..RRr
|
| 2849 |
* .RXx.
|
| 2850 |
* rxx..
|
| 2851 |
*/
|
| 2852 |
rate += get_block_bits(s, mb_x + (i&1) - (i>>1), mb_y + (i>>1), 1); |
| 2853 |
} |
| 2854 |
if(mb_x == b_stride-2) |
| 2855 |
rate += get_block_bits(s, mb_x + 1, mb_y + 1, 1); |
| 2856 |
} |
| 2857 |
return distortion + rate*penalty_factor;
|
| 2858 |
} |
| 2859 |
|
| 2860 |
static int get_4block_rd(SnowContext *s, int mb_x, int mb_y, int plane_index){ |
| 2861 |
int i, y2;
|
| 2862 |
Plane *p= &s->plane[plane_index]; |
| 2863 |
const int block_size = MB_SIZE >> s->block_max_depth; |
| 2864 |
const int block_w = plane_index ? block_size/2 : block_size; |
| 2865 |
const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth]; |
| 2866 |
const int obmc_stride= plane_index ? block_size : 2*block_size; |
| 2867 |
const int ref_stride= s->current_picture.linesize[plane_index]; |
| 2868 |
uint8_t *dst= s->current_picture.data[plane_index]; |
| 2869 |
uint8_t *src= s-> input_picture.data[plane_index]; |
| 2870 |
//FIXME zero_dst is const but add_yblock changes dst if add is 0 (this is never the case for dst=zero_dst
|
| 2871 |
// const has only been removed from zero_dst to suppress a warning
|
| 2872 |
static IDWTELEM zero_dst[4096]; //FIXME |
| 2873 |
const int b_stride = s->b_width << s->block_max_depth; |
| 2874 |
const int w= p->width; |
| 2875 |
const int h= p->height; |
| 2876 |
int distortion= 0; |
| 2877 |
int rate= 0; |
| 2878 |
const int penalty_factor= get_penalty_factor(s->lambda, s->lambda2, s->avctx->me_cmp); |
| 2879 |
|
| 2880 |
for(i=0; i<9; i++){ |
| 2881 |
int mb_x2= mb_x + (i%3) - 1; |
| 2882 |
int mb_y2= mb_y + (i/3) - 1; |
| 2883 |
int x= block_w*mb_x2 + block_w/2; |
| 2884 |
int y= block_w*mb_y2 + block_w/2; |
| 2885 |
|
| 2886 |
add_yblock(s, 0, NULL, zero_dst, dst, obmc, |
| 2887 |
x, y, block_w, block_w, w, h, /*dst_stride*/0, ref_stride, obmc_stride, mb_x2, mb_y2, 1, 1, plane_index); |
| 2888 |
|
| 2889 |
//FIXME find a cleaner/simpler way to skip the outside stuff
|
| 2890 |
for(y2= y; y2<0; y2++) |
| 2891 |
memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, block_w); |
| 2892 |
for(y2= h; y2<y+block_w; y2++)
|
| 2893 |
memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, block_w); |
| 2894 |
if(x<0){ |
| 2895 |
for(y2= y; y2<y+block_w; y2++)
|
| 2896 |
memcpy(dst + x + y2*ref_stride, src + x + y2*ref_stride, -x); |
| 2897 |
} |
| 2898 |
if(x+block_w > w){
|
| 2899 |
for(y2= y; y2<y+block_w; y2++)
|
| 2900 |
memcpy(dst + w + y2*ref_stride, src + w + y2*ref_stride, x+block_w - w); |
| 2901 |
} |
| 2902 |
|
| 2903 |
assert(block_w== 8 || block_w==16); |
| 2904 |
distortion += s->dsp.me_cmp[block_w==8](&s->m, src + x + y*ref_stride, dst + x + y*ref_stride, ref_stride, block_w);
|
| 2905 |
} |
| 2906 |
|
| 2907 |
if(plane_index==0){ |
| 2908 |
BlockNode *b= &s->block[mb_x+mb_y*b_stride]; |
| 2909 |
int merged= same_block(b,b+1) && same_block(b,b+b_stride) && same_block(b,b+b_stride+1); |
| 2910 |
|
| 2911 |
/* ..RRRr
|
| 2912 |
* .RXXx.
|
| 2913 |
* .RXXx.
|
| 2914 |
* rxxx.
|
| 2915 |
*/
|
| 2916 |
if(merged)
|
| 2917 |
rate = get_block_bits(s, mb_x, mb_y, 2);
|
| 2918 |
for(i=merged?4:0; i<9; i++){ |
| 2919 |
static const int dxy[9][2] = {{0,0},{1,0},{0,1},{1,1},{2,0},{2,1},{-1,2},{0,2},{1,2}}; |
| 2920 |
rate += get_block_bits(s, mb_x + dxy[i][0], mb_y + dxy[i][1], 1); |
| 2921 |
} |
| 2922 |
} |
| 2923 |
return distortion + rate*penalty_factor;
|
| 2924 |
} |
| 2925 |
|
| 2926 |
static int encode_subband_c0run(SnowContext *s, SubBand *b, IDWTELEM *src, IDWTELEM *parent, int stride, int orientation){ |
| 2927 |
const int w= b->width; |
| 2928 |
const int h= b->height; |
| 2929 |
int x, y;
|
| 2930 |
|
| 2931 |
if(1){ |
| 2932 |
int run=0; |
| 2933 |
int runs[w*h];
|
| 2934 |
int run_index=0; |
| 2935 |
int max_index;
|
| 2936 |
|
| 2937 |
for(y=0; y<h; y++){ |
| 2938 |
for(x=0; x<w; x++){ |
| 2939 |
int v, p=0; |
| 2940 |
int /*ll=0, */l=0, lt=0, t=0, rt=0; |
| 2941 |
v= src[x + y*stride]; |
| 2942 |
|
| 2943 |
if(y){
|
| 2944 |
t= src[x + (y-1)*stride];
|
| 2945 |
if(x){
|
| 2946 |
lt= src[x - 1 + (y-1)*stride]; |
| 2947 |
} |
| 2948 |
if(x + 1 < w){ |
| 2949 |
rt= src[x + 1 + (y-1)*stride]; |
| 2950 |
} |
| 2951 |
} |
| 2952 |
if(x){
|
| 2953 |
l= src[x - 1 + y*stride];
|
| 2954 |
/*if(x > 1){
|
| 2955 |
if(orientation==1) ll= src[y + (x-2)*stride];
|
| 2956 |
else ll= src[x - 2 + y*stride];
|
| 2957 |
}*/
|
| 2958 |
} |
| 2959 |
if(parent){
|
| 2960 |
int px= x>>1; |
| 2961 |
int py= y>>1; |
| 2962 |
if(px<b->parent->width && py<b->parent->height)
|
| 2963 |
p= parent[px + py*2*stride];
|
| 2964 |
} |
| 2965 |
if(!(/*ll|*/l|lt|t|rt|p)){ |
| 2966 |
if(v){
|
| 2967 |
runs[run_index++]= run; |
| 2968 |
run=0;
|
| 2969 |
}else{
|
| 2970 |
run++; |
| 2971 |
} |
| 2972 |
} |
| 2973 |
} |
| 2974 |
} |
| 2975 |
max_index= run_index; |
| 2976 |
runs[run_index++]= run; |
| 2977 |
run_index=0;
|
| 2978 |
run= runs[run_index++]; |
| 2979 |
|
| 2980 |
put_symbol2(&s->c, b->state[30], max_index, 0); |
| 2981 |
if(run_index <= max_index)
|
| 2982 |
put_symbol2(&s->c, b->state[1], run, 3); |
| 2983 |
|
| 2984 |
for(y=0; y<h; y++){ |
| 2985 |
if(s->c.bytestream_end - s->c.bytestream < w*40){ |
| 2986 |
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
| 2987 |
return -1; |
| 2988 |
} |
| 2989 |
for(x=0; x<w; x++){ |
| 2990 |
int v, p=0; |
| 2991 |
int /*ll=0, */l=0, lt=0, t=0, rt=0; |
| 2992 |
v= src[x + y*stride]; |
| 2993 |
|
| 2994 |
if(y){
|
| 2995 |
t= src[x + (y-1)*stride];
|
| 2996 |
if(x){
|
| 2997 |
lt= src[x - 1 + (y-1)*stride]; |
| 2998 |
} |
| 2999 |
if(x + 1 < w){ |
| 3000 |
rt= src[x + 1 + (y-1)*stride]; |
| 3001 |
} |
| 3002 |
} |
| 3003 |
if(x){
|
| 3004 |
l= src[x - 1 + y*stride];
|
| 3005 |
/*if(x > 1){
|
| 3006 |
if(orientation==1) ll= src[y + (x-2)*stride];
|
| 3007 |
else ll= src[x - 2 + y*stride];
|
| 3008 |
}*/
|
| 3009 |
} |
| 3010 |
if(parent){
|
| 3011 |
int px= x>>1; |
| 3012 |
int py= y>>1; |
| 3013 |
if(px<b->parent->width && py<b->parent->height)
|
| 3014 |
p= parent[px + py*2*stride];
|
| 3015 |
} |
| 3016 |
if(/*ll|*/l|lt|t|rt|p){ |
| 3017 |
int context= av_log2(/*FFABS(ll) + */3*FFABS(l) + FFABS(lt) + 2*FFABS(t) + FFABS(rt) + FFABS(p)); |
| 3018 |
|
| 3019 |
put_rac(&s->c, &b->state[0][context], !!v);
|
| 3020 |
}else{
|
| 3021 |
if(!run){
|
| 3022 |
run= runs[run_index++]; |
| 3023 |
|
| 3024 |
if(run_index <= max_index)
|
| 3025 |
put_symbol2(&s->c, b->state[1], run, 3); |
| 3026 |
assert(v); |
| 3027 |
}else{
|
| 3028 |
run--; |
| 3029 |
assert(!v); |
| 3030 |
} |
| 3031 |
} |
| 3032 |
if(v){
|
| 3033 |
int context= av_log2(/*FFABS(ll) + */3*FFABS(l) + FFABS(lt) + 2*FFABS(t) + FFABS(rt) + FFABS(p)); |
| 3034 |
int l2= 2*FFABS(l) + (l<0); |
| 3035 |
int t2= 2*FFABS(t) + (t<0); |
| 3036 |
|
| 3037 |
put_symbol2(&s->c, b->state[context + 2], FFABS(v)-1, context-4); |
| 3038 |
put_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l2&0xFF] + 3*quant3bA[t2&0xFF]], v<0); |
| 3039 |
} |
| 3040 |
} |
| 3041 |
} |
| 3042 |
} |
| 3043 |
return 0; |
| 3044 |
} |
| 3045 |
|
| 3046 |
static int encode_subband(SnowContext *s, SubBand *b, IDWTELEM *src, IDWTELEM *parent, int stride, int orientation){ |
| 3047 |
// encode_subband_qtree(s, b, src, parent, stride, orientation);
|
| 3048 |
// encode_subband_z0run(s, b, src, parent, stride, orientation);
|
| 3049 |
return encode_subband_c0run(s, b, src, parent, stride, orientation);
|
| 3050 |
// encode_subband_dzr(s, b, src, parent, stride, orientation);
|
| 3051 |
} |
| 3052 |
|
| 3053 |
static av_always_inline int check_block(SnowContext *s, int mb_x, int mb_y, int p[3], int intra, const uint8_t *obmc_edged, int *best_rd){ |
| 3054 |
const int b_stride= s->b_width << s->block_max_depth; |
| 3055 |
BlockNode *block= &s->block[mb_x + mb_y * b_stride]; |
| 3056 |
BlockNode backup= *block; |
| 3057 |
int rd, index, value;
|
| 3058 |
|
| 3059 |
assert(mb_x>=0 && mb_y>=0); |
| 3060 |
assert(mb_x<b_stride); |
| 3061 |
|
| 3062 |
if(intra){
|
| 3063 |
block->color[0] = p[0]; |
| 3064 |
block->color[1] = p[1]; |
| 3065 |
block->color[2] = p[2]; |
| 3066 |
block->type |= BLOCK_INTRA; |
| 3067 |
}else{
|
| 3068 |
index= (p[0] + 31*p[1]) & (ME_CACHE_SIZE-1); |
| 3069 |
value= s->me_cache_generation + (p[0]>>10) + (p[1]<<6) + (block->ref<<12); |
| 3070 |
if(s->me_cache[index] == value)
|
| 3071 |
return 0; |
| 3072 |
s->me_cache[index]= value; |
| 3073 |
|
| 3074 |
block->mx= p[0];
|
| 3075 |
block->my= p[1];
|
| 3076 |
block->type &= ~BLOCK_INTRA; |
| 3077 |
} |
| 3078 |
|
| 3079 |
rd= get_block_rd(s, mb_x, mb_y, 0, obmc_edged);
|
| 3080 |
|
| 3081 |
//FIXME chroma
|
| 3082 |
if(rd < *best_rd){
|
| 3083 |
*best_rd= rd; |
| 3084 |
return 1; |
| 3085 |
}else{
|
| 3086 |
*block= backup; |
| 3087 |
return 0; |
| 3088 |
} |
| 3089 |
} |
| 3090 |
|
| 3091 |
/* special case for int[2] args we discard afterwards,
|
| 3092 |
* fixes compilation problem with gcc 2.95 */
|
| 3093 |
static av_always_inline int check_block_inter(SnowContext *s, int mb_x, int mb_y, int p0, int p1, const uint8_t *obmc_edged, int *best_rd){ |
| 3094 |
int p[2] = {p0, p1}; |
| 3095 |
return check_block(s, mb_x, mb_y, p, 0, obmc_edged, best_rd); |
| 3096 |
} |
| 3097 |
|
| 3098 |
static av_always_inline int check_4block_inter(SnowContext *s, int mb_x, int mb_y, int p0, int p1, int ref, int *best_rd){ |
| 3099 |
const int b_stride= s->b_width << s->block_max_depth; |
| 3100 |
BlockNode *block= &s->block[mb_x + mb_y * b_stride]; |
| 3101 |
BlockNode backup[4]= {block[0], block[1], block[b_stride], block[b_stride+1]}; |
| 3102 |
int rd, index, value;
|
| 3103 |
|
| 3104 |
assert(mb_x>=0 && mb_y>=0); |
| 3105 |
assert(mb_x<b_stride); |
| 3106 |
assert(((mb_x|mb_y)&1) == 0); |
| 3107 |
|
| 3108 |
index= (p0 + 31*p1) & (ME_CACHE_SIZE-1); |
| 3109 |
value= s->me_cache_generation + (p0>>10) + (p1<<6) + (block->ref<<12); |
| 3110 |
if(s->me_cache[index] == value)
|
| 3111 |
return 0; |
| 3112 |
s->me_cache[index]= value; |
| 3113 |
|
| 3114 |
block->mx= p0; |
| 3115 |
block->my= p1; |
| 3116 |
block->ref= ref; |
| 3117 |
block->type &= ~BLOCK_INTRA; |
| 3118 |
block[1]= block[b_stride]= block[b_stride+1]= *block; |
| 3119 |
|
| 3120 |
rd= get_4block_rd(s, mb_x, mb_y, 0);
|
| 3121 |
|
| 3122 |
//FIXME chroma
|
| 3123 |
if(rd < *best_rd){
|
| 3124 |
*best_rd= rd; |
| 3125 |
return 1; |
| 3126 |
}else{
|
| 3127 |
block[0]= backup[0]; |
| 3128 |
block[1]= backup[1]; |
| 3129 |
block[b_stride]= backup[2];
|
| 3130 |
block[b_stride+1]= backup[3]; |
| 3131 |
return 0; |
| 3132 |
} |
| 3133 |
} |
| 3134 |
|
| 3135 |
static void iterative_me(SnowContext *s){ |
| 3136 |
int pass, mb_x, mb_y;
|
| 3137 |
const int b_width = s->b_width << s->block_max_depth; |
| 3138 |
const int b_height= s->b_height << s->block_max_depth; |
| 3139 |
const int b_stride= b_width; |
| 3140 |
int color[3]; |
| 3141 |
|
| 3142 |
{
|
| 3143 |
RangeCoder r = s->c; |
| 3144 |
uint8_t state[sizeof(s->block_state)];
|
| 3145 |
memcpy(state, s->block_state, sizeof(s->block_state));
|
| 3146 |
for(mb_y= 0; mb_y<s->b_height; mb_y++) |
| 3147 |
for(mb_x= 0; mb_x<s->b_width; mb_x++) |
| 3148 |
encode_q_branch(s, 0, mb_x, mb_y);
|
| 3149 |
s->c = r; |
| 3150 |
memcpy(s->block_state, state, sizeof(s->block_state));
|
| 3151 |
} |
| 3152 |
|
| 3153 |
for(pass=0; pass<25; pass++){ |
| 3154 |
int change= 0; |
| 3155 |
|
| 3156 |
for(mb_y= 0; mb_y<b_height; mb_y++){ |
| 3157 |
for(mb_x= 0; mb_x<b_width; mb_x++){ |
| 3158 |
int dia_change, i, j, ref;
|
| 3159 |
int best_rd= INT_MAX, ref_rd;
|
| 3160 |
BlockNode backup, ref_b; |
| 3161 |
const int index= mb_x + mb_y * b_stride; |
| 3162 |
BlockNode *block= &s->block[index]; |
| 3163 |
BlockNode *tb = mb_y ? &s->block[index-b_stride ] : NULL;
|
| 3164 |
BlockNode *lb = mb_x ? &s->block[index -1] : NULL; |
| 3165 |
BlockNode *rb = mb_x+1<b_width ? &s->block[index +1] : NULL; |
| 3166 |
BlockNode *bb = mb_y+1<b_height ? &s->block[index+b_stride ] : NULL; |
| 3167 |
BlockNode *tlb= mb_x && mb_y ? &s->block[index-b_stride-1] : NULL; |
| 3168 |
BlockNode *trb= mb_x+1<b_width && mb_y ? &s->block[index-b_stride+1] : NULL; |
| 3169 |
BlockNode *blb= mb_x && mb_y+1<b_height ? &s->block[index+b_stride-1] : NULL; |
| 3170 |
BlockNode *brb= mb_x+1<b_width && mb_y+1<b_height ? &s->block[index+b_stride+1] : NULL; |
| 3171 |
const int b_w= (MB_SIZE >> s->block_max_depth); |
| 3172 |
uint8_t obmc_edged[b_w*2][b_w*2]; |
| 3173 |
|
| 3174 |
if(pass && (block->type & BLOCK_OPT))
|
| 3175 |
continue;
|
| 3176 |
block->type |= BLOCK_OPT; |
| 3177 |
|
| 3178 |
backup= *block; |
| 3179 |
|
| 3180 |
if(!s->me_cache_generation)
|
| 3181 |
memset(s->me_cache, 0, sizeof(s->me_cache)); |
| 3182 |
s->me_cache_generation += 1<<22; |
| 3183 |
|
| 3184 |
//FIXME precalculate
|
| 3185 |
{
|
| 3186 |
int x, y;
|
| 3187 |
memcpy(obmc_edged, obmc_tab[s->block_max_depth], b_w*b_w*4);
|
| 3188 |
if(mb_x==0) |
| 3189 |
for(y=0; y<b_w*2; y++) |
| 3190 |
memset(obmc_edged[y], obmc_edged[y][0] + obmc_edged[y][b_w-1], b_w); |
| 3191 |
if(mb_x==b_stride-1) |
| 3192 |
for(y=0; y<b_w*2; y++) |
| 3193 |
memset(obmc_edged[y]+b_w, obmc_edged[y][b_w] + obmc_edged[y][b_w*2-1], b_w); |
| 3194 |
if(mb_y==0){ |
| 3195 |
for(x=0; x<b_w*2; x++) |
| 3196 |
obmc_edged[0][x] += obmc_edged[b_w-1][x]; |
| 3197 |
for(y=1; y<b_w; y++) |
| 3198 |
memcpy(obmc_edged[y], obmc_edged[0], b_w*2); |
| 3199 |
} |
| 3200 |
if(mb_y==b_height-1){ |
| 3201 |
for(x=0; x<b_w*2; x++) |
| 3202 |
obmc_edged[b_w*2-1][x] += obmc_edged[b_w][x]; |
| 3203 |
for(y=b_w; y<b_w*2-1; y++) |
| 3204 |
memcpy(obmc_edged[y], obmc_edged[b_w*2-1], b_w*2); |
| 3205 |
} |
| 3206 |
} |
| 3207 |
|
| 3208 |
//skip stuff outside the picture
|
| 3209 |
if(mb_x==0 || mb_y==0 || mb_x==b_width-1 || mb_y==b_height-1){ |
| 3210 |
uint8_t *src= s-> input_picture.data[0];
|
| 3211 |
uint8_t *dst= s->current_picture.data[0];
|
| 3212 |
const int stride= s->current_picture.linesize[0]; |
| 3213 |
const int block_w= MB_SIZE >> s->block_max_depth; |
| 3214 |
const int sx= block_w*mb_x - block_w/2; |
| 3215 |
const int sy= block_w*mb_y - block_w/2; |
| 3216 |
const int w= s->plane[0].width; |
| 3217 |
const int h= s->plane[0].height; |
| 3218 |
int y;
|
| 3219 |
|
| 3220 |
for(y=sy; y<0; y++) |
| 3221 |
memcpy(dst + sx + y*stride, src + sx + y*stride, block_w*2);
|
| 3222 |
for(y=h; y<sy+block_w*2; y++) |
| 3223 |
memcpy(dst + sx + y*stride, src + sx + y*stride, block_w*2);
|
| 3224 |
if(sx<0){ |
| 3225 |
for(y=sy; y<sy+block_w*2; y++) |
| 3226 |
memcpy(dst + sx + y*stride, src + sx + y*stride, -sx); |
| 3227 |
} |
| 3228 |
if(sx+block_w*2 > w){ |
| 3229 |
for(y=sy; y<sy+block_w*2; y++) |
| 3230 |
memcpy(dst + w + y*stride, src + w + y*stride, sx+block_w*2 - w);
|
| 3231 |
} |
| 3232 |
} |
| 3233 |
|
| 3234 |
// intra(black) = neighbors' contribution to the current block
|
| 3235 |
for(i=0; i<3; i++) |
| 3236 |
color[i]= get_dc(s, mb_x, mb_y, i); |
| 3237 |
|
| 3238 |
// get previous score (cannot be cached due to OBMC)
|
| 3239 |
if(pass > 0 && (block->type&BLOCK_INTRA)){ |
| 3240 |
int color0[3]= {block->color[0], block->color[1], block->color[2]}; |
| 3241 |
check_block(s, mb_x, mb_y, color0, 1, *obmc_edged, &best_rd);
|
| 3242 |
}else
|
| 3243 |
check_block_inter(s, mb_x, mb_y, block->mx, block->my, *obmc_edged, &best_rd); |
| 3244 |
|
| 3245 |
ref_b= *block; |
| 3246 |
ref_rd= best_rd; |
| 3247 |
for(ref=0; ref < s->ref_frames; ref++){ |
| 3248 |
int16_t (*mvr)[2]= &s->ref_mvs[ref][index];
|
| 3249 |
if(s->ref_scores[ref][index] > s->ref_scores[ref_b.ref][index]*3/2) //FIXME tune threshold |
| 3250 |
continue;
|
| 3251 |
block->ref= ref; |
| 3252 |
best_rd= INT_MAX; |
| 3253 |
|
| 3254 |
check_block_inter(s, mb_x, mb_y, mvr[0][0], mvr[0][1], *obmc_edged, &best_rd); |
| 3255 |
check_block_inter(s, mb_x, mb_y, 0, 0, *obmc_edged, &best_rd); |
| 3256 |
if(tb)
|
| 3257 |
check_block_inter(s, mb_x, mb_y, mvr[-b_stride][0], mvr[-b_stride][1], *obmc_edged, &best_rd); |
| 3258 |
if(lb)
|
| 3259 |
check_block_inter(s, mb_x, mb_y, mvr[-1][0], mvr[-1][1], *obmc_edged, &best_rd); |
| 3260 |
if(rb)
|
| 3261 |
check_block_inter(s, mb_x, mb_y, mvr[1][0], mvr[1][1], *obmc_edged, &best_rd); |
| 3262 |
if(bb)
|
| 3263 |
check_block_inter(s, mb_x, mb_y, mvr[b_stride][0], mvr[b_stride][1], *obmc_edged, &best_rd); |
| 3264 |
|
| 3265 |
/* fullpel ME */
|
| 3266 |
//FIXME avoid subpel interpolation / round to nearest integer
|
| 3267 |
do{
|
| 3268 |
dia_change=0;
|
| 3269 |
for(i=0; i<FFMAX(s->avctx->dia_size, 1); i++){ |
| 3270 |
for(j=0; j<i; j++){ |
| 3271 |
dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+4*(i-j), block->my+(4*j), *obmc_edged, &best_rd); |
| 3272 |
dia_change |= check_block_inter(s, mb_x, mb_y, block->mx-4*(i-j), block->my-(4*j), *obmc_edged, &best_rd); |
| 3273 |
dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+4*(i-j), block->my-(4*j), *obmc_edged, &best_rd); |
| 3274 |
dia_change |= check_block_inter(s, mb_x, mb_y, block->mx-4*(i-j), block->my+(4*j), *obmc_edged, &best_rd); |
| 3275 |
} |
| 3276 |
} |
| 3277 |
}while(dia_change);
|
| 3278 |
/* subpel ME */
|
| 3279 |
do{
|
| 3280 |
static const int square[8][2]= {{+1, 0},{-1, 0},{ 0,+1},{ 0,-1},{+1,+1},{-1,-1},{+1,-1},{-1,+1},}; |
| 3281 |
dia_change=0;
|
| 3282 |
for(i=0; i<8; i++) |
| 3283 |
dia_change |= check_block_inter(s, mb_x, mb_y, block->mx+square[i][0], block->my+square[i][1], *obmc_edged, &best_rd); |
| 3284 |
}while(dia_change);
|
| 3285 |
//FIXME or try the standard 2 pass qpel or similar
|
| 3286 |
|
| 3287 |
mvr[0][0]= block->mx; |
| 3288 |
mvr[0][1]= block->my; |
| 3289 |
if(ref_rd > best_rd){
|
| 3290 |
ref_rd= best_rd; |
| 3291 |
ref_b= *block; |
| 3292 |
} |
| 3293 |
} |
| 3294 |
best_rd= ref_rd; |
| 3295 |
*block= ref_b; |
| 3296 |
#if 1 |
| 3297 |
check_block(s, mb_x, mb_y, color, 1, *obmc_edged, &best_rd);
|
| 3298 |
//FIXME RD style color selection
|
| 3299 |
#endif
|
| 3300 |
if(!same_block(block, &backup)){
|
| 3301 |
if(tb ) tb ->type &= ~BLOCK_OPT;
|
| 3302 |
if(lb ) lb ->type &= ~BLOCK_OPT;
|
| 3303 |
if(rb ) rb ->type &= ~BLOCK_OPT;
|
| 3304 |
if(bb ) bb ->type &= ~BLOCK_OPT;
|
| 3305 |
if(tlb) tlb->type &= ~BLOCK_OPT;
|
| 3306 |
if(trb) trb->type &= ~BLOCK_OPT;
|
| 3307 |
if(blb) blb->type &= ~BLOCK_OPT;
|
| 3308 |
if(brb) brb->type &= ~BLOCK_OPT;
|
| 3309 |
change ++; |
| 3310 |
} |
| 3311 |
} |
| 3312 |
} |
| 3313 |
av_log(s->avctx, AV_LOG_ERROR, "pass:%d changed:%d\n", pass, change);
|
| 3314 |
if(!change)
|
| 3315 |
break;
|
| 3316 |
} |
| 3317 |
|
| 3318 |
if(s->block_max_depth == 1){ |
| 3319 |
int change= 0; |
| 3320 |
for(mb_y= 0; mb_y<b_height; mb_y+=2){ |
| 3321 |
for(mb_x= 0; mb_x<b_width; mb_x+=2){ |
| 3322 |
int i;
|
| 3323 |
int best_rd, init_rd;
|
| 3324 |
const int index= mb_x + mb_y * b_stride; |
| 3325 |
BlockNode *b[4];
|
| 3326 |
|
| 3327 |
b[0]= &s->block[index];
|
| 3328 |
b[1]= b[0]+1; |
| 3329 |
b[2]= b[0]+b_stride; |
| 3330 |
b[3]= b[2]+1; |
| 3331 |
if(same_block(b[0], b[1]) && |
| 3332 |
same_block(b[0], b[2]) && |
| 3333 |
same_block(b[0], b[3])) |
| 3334 |
continue;
|
| 3335 |
|
| 3336 |
if(!s->me_cache_generation)
|
| 3337 |
memset(s->me_cache, 0, sizeof(s->me_cache)); |
| 3338 |
s->me_cache_generation += 1<<22; |
| 3339 |
|
| 3340 |
init_rd= best_rd= get_4block_rd(s, mb_x, mb_y, 0);
|
| 3341 |
|
| 3342 |
//FIXME more multiref search?
|
| 3343 |
check_4block_inter(s, mb_x, mb_y, |
| 3344 |
(b[0]->mx + b[1]->mx + b[2]->mx + b[3]->mx + 2) >> 2, |
| 3345 |
(b[0]->my + b[1]->my + b[2]->my + b[3]->my + 2) >> 2, 0, &best_rd); |
| 3346 |
|
| 3347 |
for(i=0; i<4; i++) |
| 3348 |
if(!(b[i]->type&BLOCK_INTRA))
|
| 3349 |
check_4block_inter(s, mb_x, mb_y, b[i]->mx, b[i]->my, b[i]->ref, &best_rd); |
| 3350 |
|
| 3351 |
if(init_rd != best_rd)
|
| 3352 |
change++; |
| 3353 |
} |
| 3354 |
} |
| 3355 |
av_log(s->avctx, AV_LOG_ERROR, "pass:4mv changed:%d\n", change*4); |
| 3356 |
} |
| 3357 |
} |
| 3358 |
|
| 3359 |
static void encode_blocks(SnowContext *s, int search){ |
| 3360 |
int x, y;
|
| 3361 |
int w= s->b_width;
|
| 3362 |
int h= s->b_height;
|
| 3363 |
|
| 3364 |
if(s->avctx->me_method == ME_ITER && !s->keyframe && search)
|
| 3365 |
iterative_me(s); |
| 3366 |
|
| 3367 |
for(y=0; y<h; y++){ |
| 3368 |
if(s->c.bytestream_end - s->c.bytestream < w*MB_SIZE*MB_SIZE*3){ //FIXME nicer limit |
| 3369 |
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
| 3370 |
return;
|
| 3371 |
} |
| 3372 |
for(x=0; x<w; x++){ |
| 3373 |
if(s->avctx->me_method == ME_ITER || !search)
|
| 3374 |
encode_q_branch2(s, 0, x, y);
|
| 3375 |
else
|
| 3376 |
encode_q_branch (s, 0, x, y);
|
| 3377 |
} |
| 3378 |
} |
| 3379 |
} |
| 3380 |
|
| 3381 |
static void quantize(SnowContext *s, SubBand *b, IDWTELEM *dst, DWTELEM *src, int stride, int bias){ |
| 3382 |
const int w= b->width; |
| 3383 |
const int h= b->height; |
| 3384 |
const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16); |
| 3385 |
const int qmul= qexp[qlog&(QROOT-1)]<<((qlog>>QSHIFT) + ENCODER_EXTRA_BITS); |
| 3386 |
int x,y, thres1, thres2;
|
| 3387 |
|
| 3388 |
if(s->qlog == LOSSLESS_QLOG){
|
| 3389 |
for(y=0; y<h; y++) |
| 3390 |
for(x=0; x<w; x++) |
| 3391 |
dst[x + y*stride]= src[x + y*stride]; |
| 3392 |
return;
|
| 3393 |
} |
| 3394 |
|
| 3395 |
bias= bias ? 0 : (3*qmul)>>3; |
| 3396 |
thres1= ((qmul - bias)>>QEXPSHIFT) - 1;
|
| 3397 |
thres2= 2*thres1;
|
| 3398 |
|
| 3399 |
if(!bias){
|
| 3400 |
for(y=0; y<h; y++){ |
| 3401 |
for(x=0; x<w; x++){ |
| 3402 |
int i= src[x + y*stride];
|
| 3403 |
|
| 3404 |
if((unsigned)(i+thres1) > thres2){ |
| 3405 |
if(i>=0){ |
| 3406 |
i<<= QEXPSHIFT; |
| 3407 |
i/= qmul; //FIXME optimize
|
| 3408 |
dst[x + y*stride]= i; |
| 3409 |
}else{
|
| 3410 |
i= -i; |
| 3411 |
i<<= QEXPSHIFT; |
| 3412 |
i/= qmul; //FIXME optimize
|
| 3413 |
dst[x + y*stride]= -i; |
| 3414 |
} |
| 3415 |
}else
|
| 3416 |
dst[x + y*stride]= 0;
|
| 3417 |
} |
| 3418 |
} |
| 3419 |
}else{
|
| 3420 |
for(y=0; y<h; y++){ |
| 3421 |
for(x=0; x<w; x++){ |
| 3422 |
int i= src[x + y*stride];
|
| 3423 |
|
| 3424 |
if((unsigned)(i+thres1) > thres2){ |
| 3425 |
if(i>=0){ |
| 3426 |
i<<= QEXPSHIFT; |
| 3427 |
i= (i + bias) / qmul; //FIXME optimize
|
| 3428 |
dst[x + y*stride]= i; |
| 3429 |
}else{
|
| 3430 |
i= -i; |
| 3431 |
i<<= QEXPSHIFT; |
| 3432 |
i= (i + bias) / qmul; //FIXME optimize
|
| 3433 |
dst[x + y*stride]= -i; |
| 3434 |
} |
| 3435 |
}else
|
| 3436 |
dst[x + y*stride]= 0;
|
| 3437 |
} |
| 3438 |
} |
| 3439 |
} |
| 3440 |
} |
| 3441 |
|
| 3442 |
static void dequantize(SnowContext *s, SubBand *b, IDWTELEM *src, int stride){ |
| 3443 |
const int w= b->width; |
| 3444 |
const int h= b->height; |
| 3445 |
const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16); |
| 3446 |
const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT); |
| 3447 |
const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT; |
| 3448 |
int x,y;
|
| 3449 |
|
| 3450 |
if(s->qlog == LOSSLESS_QLOG) return; |
| 3451 |
|
| 3452 |
for(y=0; y<h; y++){ |
| 3453 |
for(x=0; x<w; x++){ |
| 3454 |
int i= src[x + y*stride];
|
| 3455 |
if(i<0){ |
| 3456 |
src[x + y*stride]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
|
| 3457 |
}else if(i>0){ |
| 3458 |
src[x + y*stride]= (( i*qmul + qadd)>>(QEXPSHIFT)); |
| 3459 |
} |
| 3460 |
} |
| 3461 |
} |
| 3462 |
} |
| 3463 |
|
| 3464 |
static void decorrelate(SnowContext *s, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median){ |
| 3465 |
const int w= b->width; |
| 3466 |
const int h= b->height; |
| 3467 |
int x,y;
|
| 3468 |
|
| 3469 |
for(y=h-1; y>=0; y--){ |
| 3470 |
for(x=w-1; x>=0; x--){ |
| 3471 |
int i= x + y*stride;
|
| 3472 |
|
| 3473 |
if(x){
|
| 3474 |
if(use_median){
|
| 3475 |
if(y && x+1<w) src[i] -= mid_pred(src[i - 1], src[i - stride], src[i - stride + 1]); |
| 3476 |
else src[i] -= src[i - 1]; |
| 3477 |
}else{
|
| 3478 |
if(y) src[i] -= mid_pred(src[i - 1], src[i - stride], src[i - 1] + src[i - stride] - src[i - 1 - stride]); |
| 3479 |
else src[i] -= src[i - 1]; |
| 3480 |
} |
| 3481 |
}else{
|
| 3482 |
if(y) src[i] -= src[i - stride];
|
| 3483 |
} |
| 3484 |
} |
| 3485 |
} |
| 3486 |
} |
| 3487 |
|
| 3488 |
static void correlate(SnowContext *s, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median){ |
| 3489 |
const int w= b->width; |
| 3490 |
const int h= b->height; |
| 3491 |
int x,y;
|
| 3492 |
|
| 3493 |
for(y=0; y<h; y++){ |
| 3494 |
for(x=0; x<w; x++){ |
| 3495 |
int i= x + y*stride;
|
| 3496 |
|
| 3497 |
if(x){
|
| 3498 |
if(use_median){
|
| 3499 |
if(y && x+1<w) src[i] += mid_pred(src[i - 1], src[i - stride], src[i - stride + 1]); |
| 3500 |
else src[i] += src[i - 1]; |
| 3501 |
}else{
|
| 3502 |
if(y) src[i] += mid_pred(src[i - 1], src[i - stride], src[i - 1] + src[i - stride] - src[i - 1 - stride]); |
| 3503 |
else src[i] += src[i - 1]; |
| 3504 |
} |
| 3505 |
}else{
|
| 3506 |
if(y) src[i] += src[i - stride];
|
| 3507 |
} |
| 3508 |
} |
| 3509 |
} |
| 3510 |
} |
| 3511 |
|
| 3512 |
static void encode_qlogs(SnowContext *s){ |
| 3513 |
int plane_index, level, orientation;
|
| 3514 |
|
| 3515 |
for(plane_index=0; plane_index<2; plane_index++){ |
| 3516 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 3517 |
for(orientation=level ? 1:0; orientation<4; orientation++){ |
| 3518 |
if(orientation==2) continue; |
| 3519 |
put_symbol(&s->c, s->header_state, s->plane[plane_index].band[level][orientation].qlog, 1);
|
| 3520 |
} |
| 3521 |
} |
| 3522 |
} |
| 3523 |
} |
| 3524 |
|
| 3525 |
static void encode_header(SnowContext *s){ |
| 3526 |
int plane_index, i;
|
| 3527 |
uint8_t kstate[32];
|
| 3528 |
|
| 3529 |
memset(kstate, MID_STATE, sizeof(kstate));
|
| 3530 |
|
| 3531 |
put_rac(&s->c, kstate, s->keyframe); |
| 3532 |
if(s->keyframe || s->always_reset){
|
| 3533 |
reset_contexts(s); |
| 3534 |
s->last_spatial_decomposition_type= |
| 3535 |
s->last_qlog= |
| 3536 |
s->last_qbias= |
| 3537 |
s->last_mv_scale= |
| 3538 |
s->last_block_max_depth= 0;
|
| 3539 |
for(plane_index=0; plane_index<2; plane_index++){ |
| 3540 |
Plane *p= &s->plane[plane_index]; |
| 3541 |
p->last_htaps=0;
|
| 3542 |
p->last_diag_mc=0;
|
| 3543 |
memset(p->last_hcoeff, 0, sizeof(p->last_hcoeff)); |
| 3544 |
} |
| 3545 |
} |
| 3546 |
if(s->keyframe){
|
| 3547 |
put_symbol(&s->c, s->header_state, s->version, 0);
|
| 3548 |
put_rac(&s->c, s->header_state, s->always_reset); |
| 3549 |
put_symbol(&s->c, s->header_state, s->temporal_decomposition_type, 0);
|
| 3550 |
put_symbol(&s->c, s->header_state, s->temporal_decomposition_count, 0);
|
| 3551 |
put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
|
| 3552 |
put_symbol(&s->c, s->header_state, s->colorspace_type, 0);
|
| 3553 |
put_symbol(&s->c, s->header_state, s->chroma_h_shift, 0);
|
| 3554 |
put_symbol(&s->c, s->header_state, s->chroma_v_shift, 0);
|
| 3555 |
put_rac(&s->c, s->header_state, s->spatial_scalability); |
| 3556 |
// put_rac(&s->c, s->header_state, s->rate_scalability);
|
| 3557 |
put_symbol(&s->c, s->header_state, s->max_ref_frames-1, 0); |
| 3558 |
|
| 3559 |
encode_qlogs(s); |
| 3560 |
} |
| 3561 |
|
| 3562 |
if(!s->keyframe){
|
| 3563 |
int update_mc=0; |
| 3564 |
for(plane_index=0; plane_index<2; plane_index++){ |
| 3565 |
Plane *p= &s->plane[plane_index]; |
| 3566 |
update_mc |= p->last_htaps != p->htaps; |
| 3567 |
update_mc |= p->last_diag_mc != p->diag_mc; |
| 3568 |
update_mc |= !!memcmp(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff));
|
| 3569 |
} |
| 3570 |
put_rac(&s->c, s->header_state, update_mc); |
| 3571 |
if(update_mc){
|
| 3572 |
for(plane_index=0; plane_index<2; plane_index++){ |
| 3573 |
Plane *p= &s->plane[plane_index]; |
| 3574 |
put_rac(&s->c, s->header_state, p->diag_mc); |
| 3575 |
put_symbol(&s->c, s->header_state, p->htaps/2-1, 0); |
| 3576 |
for(i= p->htaps/2; i; i--) |
| 3577 |
put_symbol(&s->c, s->header_state, FFABS(p->hcoeff[i]), 0);
|
| 3578 |
} |
| 3579 |
} |
| 3580 |
if(s->last_spatial_decomposition_count != s->spatial_decomposition_count){
|
| 3581 |
put_rac(&s->c, s->header_state, 1);
|
| 3582 |
put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
|
| 3583 |
encode_qlogs(s); |
| 3584 |
}else
|
| 3585 |
put_rac(&s->c, s->header_state, 0);
|
| 3586 |
} |
| 3587 |
|
| 3588 |
put_symbol(&s->c, s->header_state, s->spatial_decomposition_type - s->last_spatial_decomposition_type, 1);
|
| 3589 |
put_symbol(&s->c, s->header_state, s->qlog - s->last_qlog , 1);
|
| 3590 |
put_symbol(&s->c, s->header_state, s->mv_scale - s->last_mv_scale, 1);
|
| 3591 |
put_symbol(&s->c, s->header_state, s->qbias - s->last_qbias , 1);
|
| 3592 |
put_symbol(&s->c, s->header_state, s->block_max_depth - s->last_block_max_depth, 1);
|
| 3593 |
|
| 3594 |
} |
| 3595 |
|
| 3596 |
static void update_last_header_values(SnowContext *s){ |
| 3597 |
int plane_index;
|
| 3598 |
|
| 3599 |
if(!s->keyframe){
|
| 3600 |
for(plane_index=0; plane_index<2; plane_index++){ |
| 3601 |
Plane *p= &s->plane[plane_index]; |
| 3602 |
p->last_diag_mc= p->diag_mc; |
| 3603 |
p->last_htaps = p->htaps; |
| 3604 |
memcpy(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff));
|
| 3605 |
} |
| 3606 |
} |
| 3607 |
|
| 3608 |
s->last_spatial_decomposition_type = s->spatial_decomposition_type; |
| 3609 |
s->last_qlog = s->qlog; |
| 3610 |
s->last_qbias = s->qbias; |
| 3611 |
s->last_mv_scale = s->mv_scale; |
| 3612 |
s->last_block_max_depth = s->block_max_depth; |
| 3613 |
s->last_spatial_decomposition_count = s->spatial_decomposition_count; |
| 3614 |
} |
| 3615 |
|
| 3616 |
static int qscale2qlog(int qscale){ |
| 3617 |
return rint(QROOT*log(qscale / (float)FF_QP2LAMBDA)/log(2)) |
| 3618 |
+ 61*QROOT/8; //<64 >60 |
| 3619 |
} |
| 3620 |
|
| 3621 |
static int ratecontrol_1pass(SnowContext *s, AVFrame *pict) |
| 3622 |
{
|
| 3623 |
/* Estimate the frame's complexity as a sum of weighted dwt coefficients.
|
| 3624 |
* FIXME we know exact mv bits at this point,
|
| 3625 |
* but ratecontrol isn't set up to include them. */
|
| 3626 |
uint32_t coef_sum= 0;
|
| 3627 |
int level, orientation, delta_qlog;
|
| 3628 |
|
| 3629 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 3630 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 3631 |
SubBand *b= &s->plane[0].band[level][orientation];
|
| 3632 |
IDWTELEM *buf= b->ibuf; |
| 3633 |
const int w= b->width; |
| 3634 |
const int h= b->height; |
| 3635 |
const int stride= b->stride; |
| 3636 |
const int qlog= av_clip(2*QROOT + b->qlog, 0, QROOT*16); |
| 3637 |
const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT); |
| 3638 |
const int qdiv= (1<<16)/qmul; |
| 3639 |
int x, y;
|
| 3640 |
//FIXME this is ugly
|
| 3641 |
for(y=0; y<h; y++) |
| 3642 |
for(x=0; x<w; x++) |
| 3643 |
buf[x+y*stride]= b->buf[x+y*stride]; |
| 3644 |
if(orientation==0) |
| 3645 |
decorrelate(s, b, buf, stride, 1, 0); |
| 3646 |
for(y=0; y<h; y++) |
| 3647 |
for(x=0; x<w; x++) |
| 3648 |
coef_sum+= abs(buf[x+y*stride]) * qdiv >> 16;
|
| 3649 |
} |
| 3650 |
} |
| 3651 |
|
| 3652 |
/* ugly, ratecontrol just takes a sqrt again */
|
| 3653 |
coef_sum = (uint64_t)coef_sum * coef_sum >> 16;
|
| 3654 |
assert(coef_sum < INT_MAX); |
| 3655 |
|
| 3656 |
if(pict->pict_type == FF_I_TYPE){
|
| 3657 |
s->m.current_picture.mb_var_sum= coef_sum; |
| 3658 |
s->m.current_picture.mc_mb_var_sum= 0;
|
| 3659 |
}else{
|
| 3660 |
s->m.current_picture.mc_mb_var_sum= coef_sum; |
| 3661 |
s->m.current_picture.mb_var_sum= 0;
|
| 3662 |
} |
| 3663 |
|
| 3664 |
pict->quality= ff_rate_estimate_qscale(&s->m, 1);
|
| 3665 |
if (pict->quality < 0) |
| 3666 |
return INT_MIN;
|
| 3667 |
s->lambda= pict->quality * 3/2; |
| 3668 |
delta_qlog= qscale2qlog(pict->quality) - s->qlog; |
| 3669 |
s->qlog+= delta_qlog; |
| 3670 |
return delta_qlog;
|
| 3671 |
} |
| 3672 |
|
| 3673 |
static void calculate_visual_weight(SnowContext *s, Plane *p){ |
| 3674 |
int width = p->width;
|
| 3675 |
int height= p->height;
|
| 3676 |
int level, orientation, x, y;
|
| 3677 |
|
| 3678 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 3679 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 3680 |
SubBand *b= &p->band[level][orientation]; |
| 3681 |
IDWTELEM *ibuf= b->ibuf; |
| 3682 |
int64_t error=0;
|
| 3683 |
|
| 3684 |
memset(s->spatial_idwt_buffer, 0, sizeof(*s->spatial_idwt_buffer)*width*height); |
| 3685 |
ibuf[b->width/2 + b->height/2*b->stride]= 256*16; |
| 3686 |
ff_spatial_idwt(s->spatial_idwt_buffer, width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count); |
| 3687 |
for(y=0; y<height; y++){ |
| 3688 |
for(x=0; x<width; x++){ |
| 3689 |
int64_t d= s->spatial_idwt_buffer[x + y*width]*16;
|
| 3690 |
error += d*d; |
| 3691 |
} |
| 3692 |
} |
| 3693 |
|
| 3694 |
b->qlog= (int)(log(352256.0/sqrt(error)) / log(pow(2.0, 1.0/QROOT))+0.5); |
| 3695 |
} |
| 3696 |
} |
| 3697 |
} |
| 3698 |
|
| 3699 |
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){ |
| 3700 |
SnowContext *s = avctx->priv_data; |
| 3701 |
RangeCoder * const c= &s->c;
|
| 3702 |
AVFrame *pict = data; |
| 3703 |
const int width= s->avctx->width; |
| 3704 |
const int height= s->avctx->height; |
| 3705 |
int level, orientation, plane_index, i, y;
|
| 3706 |
uint8_t rc_header_bak[sizeof(s->header_state)];
|
| 3707 |
uint8_t rc_block_bak[sizeof(s->block_state)];
|
| 3708 |
|
| 3709 |
ff_init_range_encoder(c, buf, buf_size); |
| 3710 |
ff_build_rac_states(c, 0.05*(1LL<<32), 256-8); |
| 3711 |
|
| 3712 |
for(i=0; i<3; i++){ |
| 3713 |
int shift= !!i;
|
| 3714 |
for(y=0; y<(height>>shift); y++) |
| 3715 |
memcpy(&s->input_picture.data[i][y * s->input_picture.linesize[i]], |
| 3716 |
&pict->data[i][y * pict->linesize[i]], |
| 3717 |
width>>shift); |
| 3718 |
} |
| 3719 |
s->new_picture = *pict; |
| 3720 |
|
| 3721 |
s->m.picture_number= avctx->frame_number; |
| 3722 |
if(avctx->flags&CODEC_FLAG_PASS2){
|
| 3723 |
s->m.pict_type = |
| 3724 |
pict->pict_type= s->m.rc_context.entry[avctx->frame_number].new_pict_type; |
| 3725 |
s->keyframe= pict->pict_type==FF_I_TYPE; |
| 3726 |
if(!(avctx->flags&CODEC_FLAG_QSCALE)) {
|
| 3727 |
pict->quality= ff_rate_estimate_qscale(&s->m, 0);
|
| 3728 |
if (pict->quality < 0) |
| 3729 |
return -1; |
| 3730 |
} |
| 3731 |
}else{
|
| 3732 |
s->keyframe= avctx->gop_size==0 || avctx->frame_number % avctx->gop_size == 0; |
| 3733 |
s->m.pict_type= |
| 3734 |
pict->pict_type= s->keyframe ? FF_I_TYPE : FF_P_TYPE; |
| 3735 |
} |
| 3736 |
|
| 3737 |
if(s->pass1_rc && avctx->frame_number == 0) |
| 3738 |
pict->quality= 2*FF_QP2LAMBDA;
|
| 3739 |
if(pict->quality){
|
| 3740 |
s->qlog= qscale2qlog(pict->quality); |
| 3741 |
s->lambda = pict->quality * 3/2; |
| 3742 |
} |
| 3743 |
if(s->qlog < 0 || (!pict->quality && (avctx->flags & CODEC_FLAG_QSCALE))){ |
| 3744 |
s->qlog= LOSSLESS_QLOG; |
| 3745 |
s->lambda = 0;
|
| 3746 |
}//else keep previous frame's qlog until after motion estimation
|
| 3747 |
|
| 3748 |
frame_start(s); |
| 3749 |
|
| 3750 |
s->m.current_picture_ptr= &s->m.current_picture; |
| 3751 |
s->m.last_picture.pts= s->m.current_picture.pts; |
| 3752 |
s->m.current_picture.pts= pict->pts; |
| 3753 |
if(pict->pict_type == FF_P_TYPE){
|
| 3754 |
int block_width = (width +15)>>4; |
| 3755 |
int block_height= (height+15)>>4; |
| 3756 |
int stride= s->current_picture.linesize[0]; |
| 3757 |
|
| 3758 |
assert(s->current_picture.data[0]);
|
| 3759 |
assert(s->last_picture[0].data[0]); |
| 3760 |
|
| 3761 |
s->m.avctx= s->avctx; |
| 3762 |
s->m.current_picture.data[0]= s->current_picture.data[0]; |
| 3763 |
s->m. last_picture.data[0]= s->last_picture[0].data[0]; |
| 3764 |
s->m. new_picture.data[0]= s-> input_picture.data[0]; |
| 3765 |
s->m. last_picture_ptr= &s->m. last_picture; |
| 3766 |
s->m.linesize= |
| 3767 |
s->m. last_picture.linesize[0]=
|
| 3768 |
s->m. new_picture.linesize[0]=
|
| 3769 |
s->m.current_picture.linesize[0]= stride;
|
| 3770 |
s->m.uvlinesize= s->current_picture.linesize[1];
|
| 3771 |
s->m.width = width; |
| 3772 |
s->m.height= height; |
| 3773 |
s->m.mb_width = block_width; |
| 3774 |
s->m.mb_height= block_height; |
| 3775 |
s->m.mb_stride= s->m.mb_width+1;
|
| 3776 |
s->m.b8_stride= 2*s->m.mb_width+1; |
| 3777 |
s->m.f_code=1;
|
| 3778 |
s->m.pict_type= pict->pict_type; |
| 3779 |
s->m.me_method= s->avctx->me_method; |
| 3780 |
s->m.me.scene_change_score=0;
|
| 3781 |
s->m.flags= s->avctx->flags; |
| 3782 |
s->m.quarter_sample= (s->avctx->flags & CODEC_FLAG_QPEL)!=0;
|
| 3783 |
s->m.out_format= FMT_H263; |
| 3784 |
s->m.unrestricted_mv= 1;
|
| 3785 |
|
| 3786 |
s->m.lambda = s->lambda; |
| 3787 |
s->m.qscale= (s->m.lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7); |
| 3788 |
s->lambda2= s->m.lambda2= (s->m.lambda*s->m.lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
|
| 3789 |
|
| 3790 |
s->m.dsp= s->dsp; //move
|
| 3791 |
ff_init_me(&s->m); |
| 3792 |
s->dsp= s->m.dsp; |
| 3793 |
} |
| 3794 |
|
| 3795 |
if(s->pass1_rc){
|
| 3796 |
memcpy(rc_header_bak, s->header_state, sizeof(s->header_state));
|
| 3797 |
memcpy(rc_block_bak, s->block_state, sizeof(s->block_state));
|
| 3798 |
} |
| 3799 |
|
| 3800 |
redo_frame:
|
| 3801 |
|
| 3802 |
if(pict->pict_type == FF_I_TYPE)
|
| 3803 |
s->spatial_decomposition_count= 5;
|
| 3804 |
else
|
| 3805 |
s->spatial_decomposition_count= 5;
|
| 3806 |
|
| 3807 |
s->m.pict_type = pict->pict_type; |
| 3808 |
s->qbias= pict->pict_type == FF_P_TYPE ? 2 : 0; |
| 3809 |
|
| 3810 |
common_init_after_header(avctx); |
| 3811 |
|
| 3812 |
if(s->last_spatial_decomposition_count != s->spatial_decomposition_count){
|
| 3813 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 3814 |
calculate_visual_weight(s, &s->plane[plane_index]); |
| 3815 |
} |
| 3816 |
} |
| 3817 |
|
| 3818 |
encode_header(s); |
| 3819 |
s->m.misc_bits = 8*(s->c.bytestream - s->c.bytestream_start);
|
| 3820 |
encode_blocks(s, 1);
|
| 3821 |
s->m.mv_bits = 8*(s->c.bytestream - s->c.bytestream_start) - s->m.misc_bits;
|
| 3822 |
|
| 3823 |
for(plane_index=0; plane_index<3; plane_index++){ |
| 3824 |
Plane *p= &s->plane[plane_index]; |
| 3825 |
int w= p->width;
|
| 3826 |
int h= p->height;
|
| 3827 |
int x, y;
|
| 3828 |
// int bits= put_bits_count(&s->c.pb);
|
| 3829 |
|
| 3830 |
if(!(avctx->flags2 & CODEC_FLAG2_MEMC_ONLY)){
|
| 3831 |
//FIXME optimize
|
| 3832 |
if(pict->data[plane_index]) //FIXME gray hack |
| 3833 |
for(y=0; y<h; y++){ |
| 3834 |
for(x=0; x<w; x++){ |
| 3835 |
s->spatial_idwt_buffer[y*w + x]= pict->data[plane_index][y*pict->linesize[plane_index] + x]<<FRAC_BITS; |
| 3836 |
} |
| 3837 |
} |
| 3838 |
predict_plane(s, s->spatial_idwt_buffer, plane_index, 0);
|
| 3839 |
|
| 3840 |
if( plane_index==0 |
| 3841 |
&& pict->pict_type == FF_P_TYPE |
| 3842 |
&& !(avctx->flags&CODEC_FLAG_PASS2) |
| 3843 |
&& s->m.me.scene_change_score > s->avctx->scenechange_threshold){
|
| 3844 |
ff_init_range_encoder(c, buf, buf_size); |
| 3845 |
ff_build_rac_states(c, 0.05*(1LL<<32), 256-8); |
| 3846 |
pict->pict_type= FF_I_TYPE; |
| 3847 |
s->keyframe=1;
|
| 3848 |
s->current_picture.key_frame=1;
|
| 3849 |
goto redo_frame;
|
| 3850 |
} |
| 3851 |
|
| 3852 |
if(s->qlog == LOSSLESS_QLOG){
|
| 3853 |
for(y=0; y<h; y++){ |
| 3854 |
for(x=0; x<w; x++){ |
| 3855 |
s->spatial_dwt_buffer[y*w + x]= (s->spatial_idwt_buffer[y*w + x] + (1<<(FRAC_BITS-1))-1)>>FRAC_BITS; |
| 3856 |
} |
| 3857 |
} |
| 3858 |
}else{
|
| 3859 |
for(y=0; y<h; y++){ |
| 3860 |
for(x=0; x<w; x++){ |
| 3861 |
s->spatial_dwt_buffer[y*w + x]=s->spatial_idwt_buffer[y*w + x]<<ENCODER_EXTRA_BITS; |
| 3862 |
} |
| 3863 |
} |
| 3864 |
} |
| 3865 |
|
| 3866 |
/* if(QUANTIZE2)
|
| 3867 |
dwt_quantize(s, p, s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type);
|
| 3868 |
else*/
|
| 3869 |
ff_spatial_dwt(s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count); |
| 3870 |
|
| 3871 |
if(s->pass1_rc && plane_index==0){ |
| 3872 |
int delta_qlog = ratecontrol_1pass(s, pict);
|
| 3873 |
if (delta_qlog <= INT_MIN)
|
| 3874 |
return -1; |
| 3875 |
if(delta_qlog){
|
| 3876 |
//reordering qlog in the bitstream would eliminate this reset
|
| 3877 |
ff_init_range_encoder(c, buf, buf_size); |
| 3878 |
memcpy(s->header_state, rc_header_bak, sizeof(s->header_state));
|
| 3879 |
memcpy(s->block_state, rc_block_bak, sizeof(s->block_state));
|
| 3880 |
encode_header(s); |
| 3881 |
encode_blocks(s, 0);
|
| 3882 |
} |
| 3883 |
} |
| 3884 |
|
| 3885 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 3886 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 3887 |
SubBand *b= &p->band[level][orientation]; |
| 3888 |
|
| 3889 |
if(!QUANTIZE2)
|
| 3890 |
quantize(s, b, b->ibuf, b->buf, b->stride, s->qbias); |
| 3891 |
if(orientation==0) |
| 3892 |
decorrelate(s, b, b->ibuf, b->stride, pict->pict_type == FF_P_TYPE, 0);
|
| 3893 |
encode_subband(s, b, b->ibuf, b->parent ? b->parent->ibuf : NULL, b->stride, orientation);
|
| 3894 |
assert(b->parent==NULL || b->parent->stride == b->stride*2); |
| 3895 |
if(orientation==0) |
| 3896 |
correlate(s, b, b->ibuf, b->stride, 1, 0); |
| 3897 |
} |
| 3898 |
} |
| 3899 |
|
| 3900 |
for(level=0; level<s->spatial_decomposition_count; level++){ |
| 3901 |
for(orientation=level ? 1 : 0; orientation<4; orientation++){ |
| 3902 |
SubBand *b= &p->band[level][orientation]; |
| 3903 |
|
| 3904 |
dequantize(s, b, b->ibuf, b->stride); |
| 3905 |
} |
| 3906 |
} |
| 3907 |
|
| 3908 |
ff_spatial_idwt(s->spatial_idwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count); |
| 3909 |
if(s->qlog == LOSSLESS_QLOG){
|
| 3910 |
for(y=0; y<h; y++){ |
| 3911 |
for(x=0; x<w; x++){ |
| 3912 |
s->spatial_idwt_buffer[y*w + x]<<=FRAC_BITS; |
| 3913 |
} |
| 3914 |
} |
| 3915 |
} |
| 3916 |
predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
|
| 3917 |
}else{
|
| 3918 |
//ME/MC only
|
| 3919 |
if(pict->pict_type == FF_I_TYPE){
|
| 3920 |
for(y=0; y<h; y++){ |
| 3921 |
for(x=0; x<w; x++){ |
| 3922 |
s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x]= |
| 3923 |
pict->data[plane_index][y*pict->linesize[plane_index] + x]; |
| 3924 |
} |
| 3925 |
} |
| 3926 |
}else{
|
| 3927 |
memset(s->spatial_idwt_buffer, 0, sizeof(IDWTELEM)*w*h); |
| 3928 |
predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
|
| 3929 |
} |
| 3930 |
} |
| 3931 |
if(s->avctx->flags&CODEC_FLAG_PSNR){
|
| 3932 |
int64_t error= 0;
|
| 3933 |
|
| 3934 |
if(pict->data[plane_index]) //FIXME gray hack |
| 3935 |
for(y=0; y<h; y++){ |
| 3936 |
for(x=0; x<w; x++){ |
| 3937 |
int d= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x] - pict->data[plane_index][y*pict->linesize[plane_index] + x];
|
| 3938 |
error += d*d; |
| 3939 |
} |
| 3940 |
} |
| 3941 |
s->avctx->error[plane_index] += error; |
| 3942 |
s->current_picture.error[plane_index] = error; |
| 3943 |
} |
| 3944 |
|
| 3945 |
} |
| 3946 |
|
| 3947 |
update_last_header_values(s); |
| 3948 |
|
| 3949 |
release_buffer(avctx); |
| 3950 |
|
| 3951 |
s->current_picture.coded_picture_number = avctx->frame_number; |
| 3952 |
s->current_picture.pict_type = pict->pict_type; |
| 3953 |
s->current_picture.quality = pict->quality; |
| 3954 |
s->m.frame_bits = 8*(s->c.bytestream - s->c.bytestream_start);
|
| 3955 |
s->m.p_tex_bits = s->m.frame_bits - s->m.misc_bits - s->m.mv_bits; |
| 3956 |
s->m.current_picture.display_picture_number = |
| 3957 |
s->m.current_picture.coded_picture_number = avctx->frame_number; |
| 3958 |
s->m.current_picture.quality = pict->quality; |
| 3959 |
s->m.total_bits += 8*(s->c.bytestream - s->c.bytestream_start);
|
| 3960 |
if(s->pass1_rc)
|
| 3961 |
if (ff_rate_estimate_qscale(&s->m, 0) < 0) |
| 3962 |
return -1; |
| 3963 |
if(avctx->flags&CODEC_FLAG_PASS1)
|
| 3964 |
ff_write_pass1_stats(&s->m); |
| 3965 |
s->m.last_pict_type = s->m.pict_type; |
| 3966 |
avctx->frame_bits = s->m.frame_bits; |
| 3967 |
avctx->mv_bits = s->m.mv_bits; |
| 3968 |
avctx->misc_bits = s->m.misc_bits; |
| 3969 |
avctx->p_tex_bits = s->m.p_tex_bits; |
| 3970 |
|
| 3971 |
emms_c(); |
| 3972 |
|
| 3973 |
return ff_rac_terminate(c);
|
| 3974 |
} |
| 3975 |
|
| 3976 |
static av_cold int encode_end(AVCodecContext *avctx) |
| 3977 |
{
|
| 3978 |
SnowContext *s = avctx->priv_data; |
| 3979 |
|
| 3980 |
common_end(s); |
| 3981 |
if (s->input_picture.data[0]) |
| 3982 |
avctx->release_buffer(avctx, &s->input_picture); |
| 3983 |
av_free(avctx->stats_out); |
| 3984 |
|
| 3985 |
return 0; |
| 3986 |
} |
| 3987 |
|
| 3988 |
AVCodec ff_snow_encoder = {
|
| 3989 |
"snow",
|
| 3990 |
AVMEDIA_TYPE_VIDEO, |
| 3991 |
CODEC_ID_SNOW, |
| 3992 |
sizeof(SnowContext),
|
| 3993 |
encode_init, |
| 3994 |
encode_frame, |
| 3995 |
encode_end, |
| 3996 |
.long_name = NULL_IF_CONFIG_SMALL("Snow"),
|
| 3997 |
}; |
| 3998 |
#endif
|
| 3999 |
|
| 4000 |
|
| 4001 |
#ifdef TEST
|
| 4002 |
#undef malloc
|
| 4003 |
#undef free
|
| 4004 |
#undef printf
|
| 4005 |
|
| 4006 |
#include "libavutil/lfg.h" |
| 4007 |
|
| 4008 |
int main(void){ |
| 4009 |
int width=256; |
| 4010 |
int height=256; |
| 4011 |
int buffer[2][width*height]; |
| 4012 |
SnowContext s; |
| 4013 |
int i;
|
| 4014 |
AVLFG prng; |
| 4015 |
s.spatial_decomp |