mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-11 01:25:25 +00:00
095946afa7
* qatar/release/0.7: (65 commits) riff: Add mpgv MPEG-2 fourcc Update Changelog matroskadec: fix integer underflow if header length < probe length. ffmpeg: fix operation with --disable-avfilter vf_libopencv: replace opencv/cxtypes.h #include by opencv/cxcore.h build: Create mlib optimization directories during out-of-tree builds. changelog: misc typo and wording fixes (cherry picked from commitb047941d7d) doc: Remove outdated comments about gcc 2.95 and gcc 3.3 support. (cherry picked from commit5ccbf80963) matroskadec: matroska_read_seek after after EBML_STOP leads to failure. Update RELEASE file update Changelog mt: proper locking around release_buffer calls. vp8/mt: flush worker thread, not application thread context, on seek. docs: Mention the upstream bugzilla url about the dlltool vs MSVC issue docs: Use proper markup for a literal command line option docs: Don't recommend adding --enable-memalign-hack docs: Remove needless configure options oggdec: prevent heap corruption. oggdec: Abort Ogg header parsing when encountering a data packet. Add LGPL license boilerplate to files lacking it. ... Conflicts: Changelog configure doc/developer.texi libavcodec/libvpxenc.c libavcodec/rawdec.c libavfilter/x86/gradfun.c libavformat/Makefile libavformat/isom.c 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 */
|