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ffmpeg / libavcodec / h264pred.h @ d1d10e91

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/*
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 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
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 * Copyright (c) 2003 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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/**
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 * @file h264pred.h
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 * H.264 / AVC / MPEG4 prediction functions.
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 * @author Michael Niedermayer <michaelni@gmx.at>
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 */
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#ifndef FFMPEG_H264PRED_H
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#define FFMPEG_H264PRED_H
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#include "libavutil/common.h"
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/**
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 * Prediction types
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 */
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//@{
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#define VERT_PRED             0
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#define HOR_PRED              1
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#define DC_PRED               2
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#define DIAG_DOWN_LEFT_PRED   3
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#define DIAG_DOWN_RIGHT_PRED  4
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#define VERT_RIGHT_PRED       5
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#define HOR_DOWN_PRED         6
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#define VERT_LEFT_PRED        7
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#define HOR_UP_PRED           8
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#define LEFT_DC_PRED          9
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#define TOP_DC_PRED           10
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#define DC_128_PRED           11
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#define DIAG_DOWN_LEFT_PRED_RV40_NODOWN   12
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#define HOR_UP_PRED_RV40_NODOWN           13
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#define VERT_LEFT_PRED_RV40_NODOWN        14
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#define DC_PRED8x8            0
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#define HOR_PRED8x8           1
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#define VERT_PRED8x8          2
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#define PLANE_PRED8x8         3
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#define LEFT_DC_PRED8x8       4
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#define TOP_DC_PRED8x8        5
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#define DC_128_PRED8x8        6
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#define ALZHEIMER_DC_L0T_PRED8x8 7
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#define ALZHEIMER_DC_0LT_PRED8x8 8
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#define ALZHEIMER_DC_L00_PRED8x8 9
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#define ALZHEIMER_DC_0L0_PRED8x8 10
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//@}
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/**
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 * Context for storing H.264 prediction functions
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 */
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typedef struct H264PredContext{
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    void (*pred4x4  [9+3+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
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    void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
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    void (*pred8x8  [4+3+4])(uint8_t *src, int stride);
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    void (*pred16x16[4+3])(uint8_t *src, int stride);
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}H264PredContext;
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void ff_h264_pred_init(H264PredContext *h, int codec_id);
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#endif /* FFMPEG_H264PRED_H */