mirror of https://github.com/FFmpeg/FFmpeg.git
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* MSMPEG4 encoder header
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* copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_MSMPEG4ENC_H
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#define AVCODEC_MSMPEG4ENC_H
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#include "mpegvideoenc.h"
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#include "put_bits.h"
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#include "rl.h"
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typedef struct MSMPEG4EncContext {
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MPVMainEncContext m;
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int mv_table_index;
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int rl_table_index;
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int rl_chroma_table_index;
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int dc_table_index;
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int use_skip_mb_code;
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int per_mb_rl_table;
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int esc3_run_length;
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/** [mb_intra][isChroma][level][run][last] */
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unsigned ac_stats[2][2][MAX_LEVEL + 1][MAX_RUN + 1][2];
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} MSMPEG4EncContext;
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static inline MSMPEG4EncContext *mpv_to_msmpeg4(MPVEncContext *s)
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{
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// Only legal because no MSMPEG-4 decoder uses slice-threading.
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return (MSMPEG4EncContext*)s;
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}
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void ff_msmpeg4_encode_init(MPVMainEncContext *m);
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void ff_msmpeg4_encode_ext_header(MPVEncContext *s);
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void ff_msmpeg4_encode_block(MPVEncContext * s, int16_t * block, int n);
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void ff_msmpeg4_handle_slices(MPVEncContext *s);
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void ff_msmpeg4_encode_motion(MSMPEG4EncContext *ms, int mx, int my);
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void ff_msmpeg4_code012(PutBitContext *pb, int n);
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#endif
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