/*
- * MPEG1/2 common code
+ * MPEG-1/2 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 "mpeg12vlc.h"
#include "mpegvideo.h"
-#define DC_VLC_BITS 9
-#define TEX_VLC_BITS 9
-
-static VLC dc_lum_vlc;
-static VLC dc_chroma_vlc;
-
extern uint8_t ff_mpeg12_static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3];
void ff_mpeg12_common_init(MpegEncContext *s);
-void ff_init_vlcs(void);
static inline int decode_dc(GetBitContext *gb, int component)
{
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(GetBitContext *gb,
+ const uint16_t *quant_matrix,
+ uint8_t *const scantable, int last_dc[3],
+ int16_t *block, int index, int qscale);
+
+void ff_mpeg1_clean_buffers(MpegEncContext *s);
+int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
+
+void ff_mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
+void ff_mpeg1_encode_mb(MpegEncContext *s, int16_t block[8][64],
+ int motion_x, int motion_y);
+void ff_mpeg1_encode_init(MpegEncContext *s);
+void ff_mpeg1_encode_slice_header(MpegEncContext *s);
+
+#endif /* AVCODEC_MPEG12_H */