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81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
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/*
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* MSMPEG4 backend for encoder and decoder
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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_MSMPEG4_H
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#define AVCODEC_MSMPEG4_H
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#include <stdint.h>
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#include "config.h"
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#include "avcodec.h"
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#include "mpegvideo.h"
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#include "msmpeg4data.h"
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#include "put_bits.h"
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#define INTER_INTRA_VLC_BITS 3
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#define MB_NON_INTRA_VLC_BITS 9
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#define MB_INTRA_VLC_BITS 9
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#define II_BITRATE 128*1024
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#define MBAC_BITRATE 50*1024
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#define DC_MAX 119
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extern VLC ff_mb_non_intra_vlc[4];
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extern VLC ff_inter_intra_vlc;
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void ff_msmpeg4_code012(PutBitContext *pb, int n);
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void ff_msmpeg4_common_init(MpegEncContext *s);
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void ff_msmpeg4_encode_block(MpegEncContext * s, int16_t * block, int n);
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void ff_msmpeg4_handle_slices(MpegEncContext *s);
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void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my);
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int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n,
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uint8_t **coded_block_ptr);
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int ff_msmpeg4_encode_init(MpegEncContext *s);
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void ff_msmpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
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void ff_msmpeg4_encode_ext_header(MpegEncContext *s);
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void ff_msmpeg4_encode_mb(MpegEncContext *s, int16_t block[6][64],
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int motion_x, int motion_y);
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int ff_msmpeg4_decode_init(AVCodecContext *avctx);
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int ff_msmpeg4_decode_picture_header(MpegEncContext *s);
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int ff_msmpeg4_decode_ext_header(MpegEncContext *s, int buf_size);
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int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr);
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int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block,
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int n, int coded, const uint8_t *scan_table);
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int ff_msmpeg4_pred_dc(MpegEncContext *s, int n,
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int16_t **dc_val_ptr, int *dir_ptr);
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#define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \
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CONFIG_MSMPEG4V2_DECODER || \
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CONFIG_MSMPEG4V3_DECODER || \
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CONFIG_WMV1_DECODER || \
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CONFIG_WMV2_DECODER || \
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CONFIG_VC1_DECODER)
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#define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V2_ENCODER || \
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CONFIG_MSMPEG4V3_ENCODER || \
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CONFIG_WMV1_ENCODER || \
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CONFIG_WMV2_ENCODER)
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#endif /* AVCODEC_MSMPEG4_H */
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