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/*
* H.263 internal header
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_H263_H
#define AVCODEC_H263_H
#include "libavutil/rational.h"
#include "mpegvideo.h"
#define FF_ASPECT_EXTENDED 15
#define H263_GOB_HEIGHT(h) ((h) <= 400 ? 1 : (h) <= 800 ? 2 : 4)
static inline int ff_h263_round_chroma(int x)
{
//FIXME static or not?
static const uint8_t h263_chroma_roundtab[16] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
};
return h263_chroma_roundtab[x & 0xf] + (x >> 3);
}
av_const int ff_h263_aspect_to_info(AVRational aspect);
int16_t *ff_h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py);
void ff_h263_init_rl_inter(void);
void ff_h263_update_motion_val(MpegEncContext * s);
void ff_h263_loop_filter(MpegEncContext * s);
static inline void ff_h263_clean_intra_table_entries(MpegEncContext *s, int xy)
{
if (s->mbintra_table[xy]) {
s->mbintra_table[xy] = 0;
ff_clean_intra_table_entries(s);
}
}
#endif /* AVCODEC_H263_H */
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