mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
Rename ffmpeg-4.2-fit to ffmpeg-4-fit
This commit is contained in:
parent
b19074721c
commit
27712fdda7
720 changed files with 14 additions and 14 deletions
51
trunk/3rdparty/ffmpeg-4-fit/libavcodec/dirac_vlc.h
vendored
Normal file
51
trunk/3rdparty/ffmpeg-4-fit/libavcodec/dirac_vlc.h
vendored
Normal file
|
@ -0,0 +1,51 @@
|
|||
/*
|
||||
* Copyright (C) 2016 Open Broadcast Systems Ltd.
|
||||
* Author 2016 Rostislav Pehlivanov <rpehlivanov@obe.tv>
|
||||
*
|
||||
* 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_DIRAC_VLC_H
|
||||
#define AVCODEC_DIRAC_VLC_H
|
||||
|
||||
#include "libavutil/avutil.h"
|
||||
|
||||
/* Can be 32 bits wide for some performance gain on some machines, but it will
|
||||
* incorrectly decode very long coefficients (usually only 1 or 2 per frame) */
|
||||
typedef uint64_t residual;
|
||||
|
||||
#define LUT_BITS 8
|
||||
|
||||
/* Exactly 64 bytes */
|
||||
typedef struct DiracGolombLUT {
|
||||
residual preamble, leftover;
|
||||
int32_t ready[LUT_BITS];
|
||||
int32_t preamble_bits, leftover_bits, ready_num;
|
||||
int8_t need_s, sign;
|
||||
} DiracGolombLUT;
|
||||
|
||||
av_cold int ff_dirac_golomb_reader_init(DiracGolombLUT **lut_ctx);
|
||||
|
||||
int ff_dirac_golomb_read_32bit(DiracGolombLUT *lut_ctx, const uint8_t *buf,
|
||||
int bytes, uint8_t *dst, int coeffs);
|
||||
|
||||
int ff_dirac_golomb_read_16bit(DiracGolombLUT *lut_ctx, const uint8_t *buf,
|
||||
int bytes, uint8_t *_dst, int coeffs);
|
||||
|
||||
av_cold void ff_dirac_golomb_reader_end(DiracGolombLUT **lut_ctx);
|
||||
|
||||
#endif /* AVCODEC_DIRAC_VLC_H */
|
Loading…
Add table
Add a link
Reference in a new issue