* MPEG1/2 common code
* Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef FFMPEG_MPEG12_H
-#define FFMPEG_MPEG12_H
+#ifndef AVCODEC_MPEG12_H
+#define AVCODEC_MPEG12_H
#include "mpegvideo.h"
#define DC_VLC_BITS 9
+#define MV_VLC_BITS 9
#define TEX_VLC_BITS 9
-static VLC dc_lum_vlc;
-static VLC dc_chroma_vlc;
+#define MBINCR_VLC_BITS 9
+#define MB_PAT_VLC_BITS 9
+#define MB_PTYPE_VLC_BITS 6
+#define MB_BTYPE_VLC_BITS 6
+
+extern VLC ff_dc_lum_vlc;
+extern VLC ff_dc_chroma_vlc;
+extern VLC ff_mbincr_vlc;
+extern VLC ff_mb_ptype_vlc;
+extern VLC ff_mb_btype_vlc;
+extern VLC ff_mb_pat_vlc;
+extern VLC ff_mv_vlc;
extern uint8_t ff_mpeg12_static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3];
int code, diff;
if (component == 0) {
- code = get_vlc2(gb, dc_lum_vlc.table, DC_VLC_BITS, 2);
+ code = get_vlc2(gb, ff_dc_lum_vlc.table, DC_VLC_BITS, 2);
} else {
- code = get_vlc2(gb, dc_chroma_vlc.table, DC_VLC_BITS, 2);
+ code = get_vlc2(gb, ff_dc_chroma_vlc.table, DC_VLC_BITS, 2);
}
if (code < 0){
av_log(NULL, AV_LOG_ERROR, "invalid dc code at\n");
return diff;
}
-#endif /* FFMPEG_MPEG12_H */
+int ff_mpeg1_decode_block_intra(MpegEncContext *s, int16_t *block, int n);
+void ff_mpeg1_clean_buffers(MpegEncContext *s);
+int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
+
+#endif /* AVCODEC_MPEG12_H */