FFmpeg
mjpegenc_common.h
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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 "put_bits.h"
29 
31  ScanTable *intra_scantable, int pred,
32  uint16_t luma_intra_matrix[64],
33  uint16_t chroma_intra_matrix[64]);
34 void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits);
35 void ff_mjpeg_escape_FF(PutBitContext *pb, int start);
36 void ff_mjpeg_build_huffman_codes(uint8_t *huff_size, uint16_t *huff_code,
37  const uint8_t *bits_table,
38  const uint8_t *val_table);
39 void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4]);
40 
42  uint8_t *huff_size, uint16_t *huff_code);
43 
45 
46 #endif /* AVCODEC_MJPEGENC_COMMON_H */
ff_mjpeg_encode_picture_header
void ff_mjpeg_encode_picture_header(AVCodecContext *avctx, PutBitContext *pb, ScanTable *intra_scantable, int pred, uint16_t luma_intra_matrix[64], uint16_t chroma_intra_matrix[64])
Definition: mjpegenc_common.c:220
val
static double val(void *priv, double ch)
Definition: aeval.c:76
ff_mjpeg_encode_picture_trailer
void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits)
Definition: mjpegenc_common.c:411
PutBitContext
Definition: put_bits.h:49
ff_mjpeg_escape_FF
void ff_mjpeg_escape_FF(PutBitContext *pb, int start)
Definition: mjpegenc_common.c:334
ff_mjpeg_init_hvsample
void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4])
Definition: mjpegenc_common.c:193
idctdsp.h
avcodec.h
pred
static const float pred[4]
Definition: siprdata.h:259
ff_mjpeg_encode_dc
void ff_mjpeg_encode_dc(PutBitContext *pb, int val, uint8_t *huff_size, uint16_t *huff_code)
Definition: mjpegenc_common.c:418
AVCodecContext
main external API structure.
Definition: avcodec.h:379
ScanTable
Scantable.
Definition: idctdsp.h:31
ff_mjpeg_build_huffman_codes
void ff_mjpeg_build_huffman_codes(uint8_t *huff_size, uint16_t *huff_code, const uint8_t *bits_table, const uint8_t *val_table)
Definition: mjpegenc_common.c:391
put_bits.h
ff_mjpeg_encode_check_pix_fmt
int ff_mjpeg_encode_check_pix_fmt(AVCodecContext *avctx)
Definition: mjpegenc_common.c:440