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 changelog: misc typo and wording fixes (cherry picked from commitb047941d7d) doc: Remove outdated comments about gcc 2.95 and gcc 3.3 support.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
/*
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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 AVUTIL_FILE_H
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#define AVUTIL_FILE_H
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#include "avutil.h"
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/**
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* @file
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* Misc file utilities.
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*/
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/**
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* Read the file with name filename, and put its content in a newly
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* allocated buffer or map it with mmap() when available.
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* In case of success set *bufptr to the read or mmapped buffer, and
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* *size to the size in bytes of the buffer in *bufptr.
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* The returned buffer must be released with av_file_unmap().
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*
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* @param log_offset loglevel offset used for logging
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* @param log_ctx context used for logging
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* @return a non negative number in case of success, a negative value
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* corresponding to an AVERROR error code in case of failure
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*/
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int av_file_map(const char *filename, uint8_t **bufptr, size_t *size,
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int log_offset, void *log_ctx);
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/**
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* Unmap or free the buffer bufptr created by av_file_map().
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*
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* @param size size in bytes of bufptr, must be the same as returned
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* by av_file_map()
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*/
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void av_file_unmap(uint8_t *bufptr, size_t size);
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#endif /* AVUTIL_FILE_H */
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