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 "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 */
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:248
ff_mjpeg_encode_stuffing
int ff_mjpeg_encode_stuffing(MpegEncContext *s)
Writes the complete JPEG frame when optimal huffman tables are enabled, otherwise writes the stuffing...
Definition: mjpegenc_common.c:539
mpegvideo.h
ff_init_uni_ac_vlc
av_cold void ff_init_uni_ac_vlc(const uint8_t huff_size_ac[256], uint8_t *uni_ac_vlc_len)
Definition: mjpegenc_common.c:39
start
void INT64 start
Definition: avisynth_c.h:767
av_cold
#define av_cold
Definition: attributes.h:84
ff_mjpeg_encode_picture_trailer
void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits)
Definition: mjpegenc_common.c:587
s
#define s(width, name)
Definition: cbs_vp9.c:257
PutBitContext
Definition: put_bits.h:35
ff_mjpeg_escape_FF
void ff_mjpeg_escape_FF(PutBitContext *pb, int start)
Definition: mjpegenc_common.c:410
val
const char const char void * val
Definition: avisynth_c.h:863
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_mjpeg_init_hvsample
void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4])
Definition: mjpegenc_common.c:221
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:594
AVCodecContext
main external API structure.
Definition: avcodec.h:1565
ff_mjpeg_encode_picture_frame
void ff_mjpeg_encode_picture_frame(MpegEncContext *s)
Encodes and outputs the entire frame in the JPEG format.
Definition: mjpegenc_common.c:367
ScanTable
Scantable.
Definition: idctdsp.h:31
put_bits.h
MpegEncContext
MpegEncContext.
Definition: mpegvideo.h:81