mirror of https://git.ffmpeg.org/ffmpeg.git
53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
/*
|
|
* lossless JPEG shared bits
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_MJPEGENC_COMMON_H
|
|
#define AVCODEC_MJPEGENC_COMMON_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "avcodec.h"
|
|
#include "put_bits.h"
|
|
|
|
struct MJpegContext;
|
|
|
|
int ff_mjpeg_add_icc_profile_size(AVCodecContext *avctx, const AVFrame *frame,
|
|
size_t *max_pkt_size);
|
|
void ff_mjpeg_encode_picture_header(AVCodecContext *avctx, PutBitContext *pb,
|
|
const AVFrame *frame, struct MJpegContext *m,
|
|
const uint8_t intra_matrix_permutation[64],
|
|
int pred,
|
|
uint16_t luma_intra_matrix[64],
|
|
uint16_t chroma_intra_matrix[64],
|
|
int use_slices);
|
|
void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits);
|
|
void ff_mjpeg_escape_FF(PutBitContext *pb, int start);
|
|
void ff_mjpeg_build_huffman_codes(uint8_t *huff_size, uint16_t *huff_code,
|
|
const uint8_t *bits_table,
|
|
const uint8_t *val_table);
|
|
void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4]);
|
|
|
|
void ff_mjpeg_encode_dc(PutBitContext *pb, int val,
|
|
uint8_t *huff_size, uint16_t *huff_code);
|
|
|
|
int ff_mjpeg_encode_check_pix_fmt(AVCodecContext *avctx);
|
|
|
|
#endif /* AVCODEC_MJPEGENC_COMMON_H */
|