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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-02-01 07:10:17 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-02-13 19:35:58 +0100 |
| commit | e2cf60f0401c6731026a82f7b5b18b1b0389ee5d (patch) | |
| tree | 0d61bff193002232dc1b1efabe0fef974db6b28f /libavcodec/msmpeg4dec.h | |
| parent | 9f2b566301576242ce621b9b73a9bdccee7bb5ff (diff) | |
avcodec/msmpeg4.h: Move decoder-only parts to a new header
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec/msmpeg4dec.h')
| -rw-r--r-- | libavcodec/msmpeg4dec.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libavcodec/msmpeg4dec.h b/libavcodec/msmpeg4dec.h new file mode 100644 index 0000000000..af2591caf5 --- /dev/null +++ b/libavcodec/msmpeg4dec.h @@ -0,0 +1,50 @@ +/* + * MSMPEG4 decoder header + * copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org> + * + * 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_MSMPEG4DEC_H +#define AVCODEC_MSMPEG4DEC_H + +#include "config.h" +#include "avcodec.h" +#include "mpegvideo.h" + +#define INTER_INTRA_VLC_BITS 3 +#define MB_NON_INTRA_VLC_BITS 9 +#define MB_INTRA_VLC_BITS 9 + +extern VLC ff_mb_non_intra_vlc[4]; +extern VLC ff_inter_intra_vlc; + +int ff_msmpeg4_decode_init(AVCodecContext *avctx); +int ff_msmpeg4_decode_picture_header(MpegEncContext *s); +int ff_msmpeg4_decode_ext_header(MpegEncContext *s, int buf_size); +void ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr); +int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block, + int n, int coded, const uint8_t *scan_table); + +#define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \ + CONFIG_MSMPEG4V2_DECODER || \ + CONFIG_MSMPEG4V3_DECODER || \ + CONFIG_WMV1_DECODER || \ + CONFIG_WMV2_DECODER || \ + CONFIG_VC1_DECODER) + +#endif |