mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-30 03:12:08 +00:00
3074f03a07
* qatar/master: get_bits: remove x86 inline asm in A32 bitstream reader doc: Remove outdated information about our issue tracker avidec: Factor out the sync fucntionality. fate-aac: Expand coverage. ac3dsp: add x86-optimized versions of ac3dsp.extract_exponents(). ac3dsp: simplify extract_exponents() now that it does not need to do clipping. ac3enc: clip coefficients after MDCT. ac3enc: add int32_t array clipping function to DSPUtil, including x86 versions. swscale: for >8bit scaling, read in native bit-depth. matroskadec: matroska_read_seek after after EBML_STOP leads to failure. doxygen: fix usage of @file directive in libavutil/{dict,file}.h doxygen: Help doxygen parser to understand the DECLARE_ALIGNED and offsetof macros Conflicts: doc/issue_tracker.txt libavformat/avidec.c libavutil/dict.h libswscale/swscale.c libswscale/utils.c tests/ref/lavfi/pixfmts_scale Merged-by: Michael Niedermayer <michaelni@gmx.at>
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
|
|
* 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 AVUTIL_FILE_H
|
|
#define AVUTIL_FILE_H
|
|
|
|
#include "avutil.h"
|
|
|
|
/**
|
|
* @file
|
|
* Misc file utilities.
|
|
*/
|
|
|
|
/**
|
|
* Read the file with name filename, and put its content in a newly
|
|
* allocated buffer or map it with mmap() when available.
|
|
* In case of success set *bufptr to the read or mmapped buffer, and
|
|
* *size to the size in bytes of the buffer in *bufptr.
|
|
* The returned buffer must be released with av_file_unmap().
|
|
*
|
|
* @param log_offset loglevel offset used for logging
|
|
* @param log_ctx context used for logging
|
|
* @return a non negative number in case of success, a negative value
|
|
* corresponding to an AVERROR error code in case of failure
|
|
*/
|
|
int av_file_map(const char *filename, uint8_t **bufptr, size_t *size,
|
|
int log_offset, void *log_ctx);
|
|
|
|
/**
|
|
* Unmap or free the buffer bufptr created by av_file_map().
|
|
*
|
|
* @param size size in bytes of bufptr, must be the same as returned
|
|
* by av_file_map()
|
|
*/
|
|
void av_file_unmap(uint8_t *bufptr, size_t size);
|
|
|
|
#endif /* AVUTIL_FILE_H */
|