FFmpeg
h263.h
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1 /*
2  * H.263 internal header
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 #ifndef AVCODEC_H263_H
21 #define AVCODEC_H263_H
22 
23 #include "libavutil/rational.h"
24 #include "mpegvideo.h"
25 
26 #define FF_ASPECT_EXTENDED 15
27 
28 #define H263_GOB_HEIGHT(h) ((h) <= 400 ? 1 : (h) <= 800 ? 2 : 4)
29 
31 int16_t *ff_h263_pred_motion(MpegEncContext * s, int block, int dir,
32  int *px, int *py);
33 void ff_h263_init_rl_inter(void);
36 
37 #endif /* AVCODEC_H263_H */
rational.h
av_const
#define av_const
Definition: attributes.h:84
mpegvideo.h
s
#define s(width, name)
Definition: cbs_vp9.c:256
ff_h263_init_rl_inter
void ff_h263_init_rl_inter(void)
Definition: h263.c:47
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
ff_h263_update_motion_val
void ff_h263_update_motion_val(MpegEncContext *s)
Definition: h263.c:53
ff_h263_loop_filter
void ff_h263_loop_filter(MpegEncContext *s)
Definition: h263.c:105
ff_h263_aspect_to_info
av_const int ff_h263_aspect_to_info(AVRational aspect)
Return the 4 bit value that specifies the given aspect ratio.
Definition: ituh263enc.c:94
ff_h263_pred_motion
int16_t * ff_h263_pred_motion(MpegEncContext *s, int block, int dir, int *px, int *py)
Definition: h263.c:190
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207
MpegEncContext
MpegEncContext.
Definition: mpegvideo.h:70