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ffmpeg / libavcodec / h261.c @ d632239c

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/*
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 * H261 common code
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 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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 * Copyright (c) 2004 Maarten Daniels
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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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/**
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 * @file h261.c
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 * h261codec.
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 */
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#include "dsputil.h"
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#include "avcodec.h"
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#include "h261.h"
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#include "h261data.h"
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#define IS_FIL(a)    ((a)&MB_TYPE_H261_FIL)
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uint8_t ff_h261_rl_table_store[2][2*MAX_RUN + MAX_LEVEL + 3];
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void ff_h261_loop_filter(MpegEncContext *s){
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    H261Context * h= (H261Context*)s;
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    const int linesize  = s->linesize;
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    const int uvlinesize= s->uvlinesize;
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    uint8_t *dest_y = s->dest[0];
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    uint8_t *dest_cb= s->dest[1];
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    uint8_t *dest_cr= s->dest[2];
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    if(!(IS_FIL (h->mtype)))
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        return;
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    s->dsp.h261_loop_filter(dest_y                   , linesize);
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    s->dsp.h261_loop_filter(dest_y                + 8, linesize);
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    s->dsp.h261_loop_filter(dest_y + 8 * linesize    , linesize);
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    s->dsp.h261_loop_filter(dest_y + 8 * linesize + 8, linesize);
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    s->dsp.h261_loop_filter(dest_cb, uvlinesize);
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    s->dsp.h261_loop_filter(dest_cr, uvlinesize);
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}