FFmpeg
libavcodec
mjpegenc_common.h
Go to the documentation of this file.
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/*
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* lossless JPEG shared bits
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_MJPEGENC_COMMON_H
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#define AVCODEC_MJPEGENC_COMMON_H
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#include <stdint.h>
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#include "
avcodec.h
"
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#include "
idctdsp.h
"
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#include "
mpegvideo.h
"
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#include "
put_bits.h
"
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void
ff_mjpeg_encode_picture_header
(
AVCodecContext
*avctx,
PutBitContext
*pb,
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ScanTable
*intra_scantable,
int
pred
,
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uint16_t luma_intra_matrix[64],
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uint16_t chroma_intra_matrix[64]);
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void
ff_mjpeg_encode_picture_frame
(
MpegEncContext
*
s
);
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void
ff_mjpeg_encode_picture_trailer
(
PutBitContext
*pb,
int
header_bits);
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void
ff_mjpeg_escape_FF
(
PutBitContext
*pb,
int
start
);
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int
ff_mjpeg_encode_stuffing
(
MpegEncContext
*
s
);
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void
ff_mjpeg_init_hvsample
(
AVCodecContext
*avctx,
int
hsample[4],
int
vsample[4]);
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void
ff_mjpeg_encode_dc
(
PutBitContext
*pb,
int
val
,
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uint8_t
*huff_size, uint16_t *huff_code);
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av_cold
void
ff_init_uni_ac_vlc
(
const
uint8_t
huff_size_ac[256],
uint8_t
*uni_ac_vlc_len);
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#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
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