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52 lines
2.1 KiB
52 lines
2.1 KiB
/* |
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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 "put_bits.h" |
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struct MJpegContext; |
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int ff_mjpeg_add_icc_profile_size(AVCodecContext *avctx, const AVFrame *frame, |
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size_t *max_pkt_size); |
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void ff_mjpeg_encode_picture_header(AVCodecContext *avctx, PutBitContext *pb, |
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const AVFrame *frame, struct MJpegContext *m, |
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const uint8_t intra_matrix_permutation[64], |
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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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int use_slices); |
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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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void ff_mjpeg_build_huffman_codes(uint8_t *huff_size, uint16_t *huff_code, |
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const uint8_t *bits_table, |
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const uint8_t *val_table); |
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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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int ff_mjpeg_encode_check_pix_fmt(AVCodecContext *avctx); |
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#endif /* AVCODEC_MJPEGENC_COMMON_H */
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