FFmpeg
libavcodec
h263.h
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/*
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* H.263 internal header
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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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#ifndef AVCODEC_H263_H
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#define AVCODEC_H263_H
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#include "
libavutil/rational.h
"
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#include "
mpegvideo.h
"
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#define FF_ASPECT_EXTENDED 15
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#define H263_GOB_HEIGHT(h) ((h) <= 400 ? 1 : (h) <= 800 ? 2 : 4)
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av_const
int
ff_h263_aspect_to_info
(
AVRational
aspect);
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int16_t *
ff_h263_pred_motion
(
MpegEncContext
*
s
,
int
block
,
int
dir,
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int
*px,
int
*py);
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void
ff_h263_init_rl_inter
(
void
);
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void
ff_h263_update_motion_val
(
MpegEncContext
*
s
);
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void
ff_h263_loop_filter
(
MpegEncContext
*
s
);
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#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:198
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:67
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