1 /* 2 * lossless JPEG shared bits 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVCODEC_MJPEGENC_COMMON_H 22 #define AVCODEC_MJPEGENC_COMMON_H 23 24 #include <stdint.h> 25 26 #include "avcodec.h" 27 #include "idctdsp.h" 28 #include "put_bits.h" 29 30 struct MJpegContext; 31 32 int ff_mjpeg_add_icc_profile_size(AVCodecContext *avctx, const AVFrame *frame, 33 size_t *max_pkt_size); 34 void ff_mjpeg_encode_picture_header(AVCodecContext *avctx, PutBitContext *pb, 35 const AVFrame *frame, struct MJpegContext *m, 36 ScanTable *intra_scantable, int pred, 37 uint16_t luma_intra_matrix[64], 38 uint16_t chroma_intra_matrix[64], 39 int use_slices); 40 void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits); 41 void ff_mjpeg_escape_FF(PutBitContext *pb, int start); 42 void ff_mjpeg_build_huffman_codes(uint8_t *huff_size, uint16_t *huff_code, 43 const uint8_t *bits_table, 44 const uint8_t *val_table); 45 void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4]); 46 47 void ff_mjpeg_encode_dc(PutBitContext *pb, int val, 48 uint8_t *huff_size, uint16_t *huff_code); 49 50 int ff_mjpeg_encode_check_pix_fmt(AVCodecContext *avctx); 51 52 #endif /* AVCODEC_MJPEGENC_COMMON_H */ 53