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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 "mpegvideo.h"
29 #include "put_bits.h"
30 
32  ScanTable *intra_scantable, int pred,
33  uint16_t luma_intra_matrix[64],
34  uint16_t chroma_intra_matrix[64]);
36 void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits);
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 
44 av_cold void ff_init_uni_ac_vlc(const uint8_t huff_size_ac[256], uint8_t *uni_ac_vlc_len);
45 
46 #endif /* AVCODEC_MJPEGENC_COMMON_H */
const char const char void * val
Definition: avisynth_c.h:771
const char * s
Definition: avisynth_c.h:768
Scantable.
Definition: idctdsp.h:31
mpegvideo header.
uint8_t
#define av_cold
Definition: attributes.h:82
void ff_mjpeg_escape_FF(PutBitContext *pb, int start)
void ff_mjpeg_encode_dc(PutBitContext *pb, int val, uint8_t *huff_size, uint16_t *huff_code)
av_cold void ff_init_uni_ac_vlc(const uint8_t huff_size_ac[256], uint8_t *uni_ac_vlc_len)
static const float pred[4]
Definition: siprdata.h:259
int ff_mjpeg_encode_stuffing(MpegEncContext *s)
Writes the complete JPEG frame when optimal huffman tables are enabled, otherwise writes the stuffing...
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1488
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])
MpegEncContext.
Definition: mpegvideo.h:78
void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits)
void INT64 start
Definition: avisynth_c.h:690
void ff_mjpeg_encode_picture_frame(MpegEncContext *s)
Encodes and outputs the entire frame in the JPEG format.
void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4])
bitstream writer API