2 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * H.264 / AVC / MPEG4 prediction functions.
25 * @author Michael Niedermayer <michaelni@gmx.at>
28 #ifndef FFMPEG_H264PRED_H
29 #define FFMPEG_H264PRED_H
31 #include "libavutil/common.h"
40 #define DIAG_DOWN_LEFT_PRED 3
41 #define DIAG_DOWN_RIGHT_PRED 4
42 #define VERT_RIGHT_PRED 5
43 #define HOR_DOWN_PRED 6
44 #define VERT_LEFT_PRED 7
47 #define LEFT_DC_PRED 9
48 #define TOP_DC_PRED 10
49 #define DC_128_PRED 11
51 #define DIAG_DOWN_LEFT_PRED_RV40_NODOWN 12
52 #define HOR_UP_PRED_RV40_NODOWN 13
53 #define VERT_LEFT_PRED_RV40_NODOWN 14
57 #define VERT_PRED8x8 2
58 #define PLANE_PRED8x8 3
60 #define LEFT_DC_PRED8x8 4
61 #define TOP_DC_PRED8x8 5
62 #define DC_128_PRED8x8 6
66 * Context for storing H.264 prediction functions
68 typedef struct H264PredContext
{
69 void (*pred4x4
[9+3+3])(uint8_t *src
, uint8_t *topright
, int stride
);//FIXME move to dsp?
70 void (*pred8x8l
[9+3])(uint8_t *src
, int topleft
, int topright
, int stride
);
71 void (*pred8x8
[4+3])(uint8_t *src
, int stride
);
72 void (*pred16x16
[4+3])(uint8_t *src
, int stride
);
75 void ff_h264_pred_init(H264PredContext
*h
, int codec_id
);
77 #endif /* FFMPEG_H264PRED_H */