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https://gitee.com/openharmony/third_party_ffmpeg
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46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/*
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* lossless JPEG shared bits
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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_MJPEGENC_COMMON_H
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#define AVCODEC_MJPEGENC_COMMON_H
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#include <stdint.h>
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#include "avcodec.h"
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#include "idctdsp.h"
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#include "mpegvideo.h"
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#include "put_bits.h"
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void ff_mjpeg_encode_picture_header(AVCodecContext *avctx, PutBitContext *pb,
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ScanTable *intra_scantable, int pred,
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uint16_t luma_intra_matrix[64],
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uint16_t chroma_intra_matrix[64]);
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void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits);
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void ff_mjpeg_escape_FF(PutBitContext *pb, int start);
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int ff_mjpeg_encode_stuffing(MpegEncContext *s);
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void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4]);
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void ff_mjpeg_encode_dc(PutBitContext *pb, int val,
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uint8_t *huff_size, uint16_t *huff_code);
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av_cold void ff_init_uni_ac_vlc(const uint8_t huff_size_ac[256], uint8_t *uni_ac_vlc_len);
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#endif /* AVCODEC_MJPEGENC_COMMON_H */
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