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  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 "mpegvideo.h"
  29. #include "put_bits.h"
  30.  
  31. void ff_mjpeg_encode_picture_header(AVCodecContext *avctx, PutBitContext *pb,
  32.                                     ScanTable *intra_scantable,
  33.                                     uint16_t luma_intra_matrix[64],
  34.                                     uint16_t chroma_intra_matrix[64]);
  35. void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits);
  36. void ff_mjpeg_escape_FF(PutBitContext *pb, int start);
  37. int ff_mjpeg_encode_stuffing(MpegEncContext *s);
  38. void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[3], int vsample[3]);
  39.  
  40. void ff_mjpeg_encode_dc(PutBitContext *pb, int val,
  41.                         uint8_t *huff_size, uint16_t *huff_code);
  42.  
  43. #endif /* AVCODEC_MJPEGENC_COMMON_H */
  44.