mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.2 KiB
65 lines
2.2 KiB
/* |
|
* H.263 decoder 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_H263DEC_H |
|
#define AVCODEC_H263DEC_H |
|
|
|
#include "mpegvideo.h" |
|
#include "vlc.h" |
|
|
|
// The defines below define the number of bits that are read at once for |
|
// reading vlc values. Changing these may improve speed and data cache needs |
|
// be aware though that decreasing them may need the number of stages that is |
|
// passed to get_vlc* to be increased. |
|
#define H263_MV_VLC_BITS 9 |
|
#define INTRA_MCBPC_VLC_BITS 6 |
|
#define INTER_MCBPC_VLC_BITS 7 |
|
#define CBPY_VLC_BITS 6 |
|
#define TEX_VLC_BITS 9 |
|
|
|
extern VLC ff_h263_intra_MCBPC_vlc; |
|
extern VLC ff_h263_inter_MCBPC_vlc; |
|
extern VLC ff_h263_cbpy_vlc; |
|
extern VLC ff_h263_mv_vlc; |
|
|
|
extern const enum AVPixelFormat ff_h263_hwaccel_pixfmt_list_420[]; |
|
|
|
int ff_h263_decode_motion(MpegEncContext * s, int pred, int f_code); |
|
int ff_h263_decode_init(AVCodecContext *avctx); |
|
int ff_h263_decode_frame(AVCodecContext *avctx, |
|
void *data, int *got_frame, |
|
AVPacket *avpkt); |
|
int ff_h263_decode_end(AVCodecContext *avctx); |
|
void ff_h263_decode_init_vlc(void); |
|
int ff_h263_decode_picture_header(MpegEncContext *s); |
|
int ff_h263_decode_gob_header(MpegEncContext *s); |
|
int ff_h263_decode_mba(MpegEncContext *s); |
|
|
|
/** |
|
* Print picture info if FF_DEBUG_PICT_INFO is set. |
|
*/ |
|
void ff_h263_show_pict_info(MpegEncContext *s); |
|
|
|
int ff_intel_h263_decode_picture_header(MpegEncContext *s); |
|
int ff_h263_decode_mb(MpegEncContext *s, |
|
int16_t block[6][64]); |
|
|
|
int ff_h263_resync(MpegEncContext *s); |
|
|
|
#endif
|
|
|