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FFmpeg/libavformat/vorbiscomment.h
Michael Niedermayer 8bc7fe4daf Merge remote-tracking branch 'qatar/master'
* qatar/master:
  doxygen: misc consistency, spelling and wording fixes
  vcr1: drop unnecessary emms_c() calls without MMX code
  Replace all uses of av_close_input_file() with avformat_close_input().
  lavf: add avformat_close_input().
  lavf: deprecate av_close_input_stream().
  lavf doxy: add some basic demuxing documentation.
  lavf doxy: add some general lavf information.
  lavf doxy: add misc utility functions to a group.
  lavf doxy: add av_guess_codec/format to the encoding group.
  lavf doxy: add core functions to a doxy group.
  Add basic libavdevice documentation.
  lavc: convert error_recognition to err_recognition.
  avconv: update -map option help text
  x86: Require 7 registers for the cabac asm
  x86: bswap: remove test for bswap instruction
  bswap: make generic implementation more compiler-friendly
  h264: remove useless cast
  proresdec: fix decode_slice() prototype

Conflicts:
	configure
	doc/APIchanges
	ffprobe.c
	libavcodec/avcodec.h
	libavcodec/celp_math.h
	libavcodec/h264.c
	libavfilter/src_movie.c
	libavformat/anm.c
	libavformat/avformat.h
	libavformat/version.h
	libavutil/avstring.h
	libavutil/bswap.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-12-13 00:39:48 +01:00

58 lines
2.2 KiB
C

/*
* VorbisComment writer
* Copyright (c) 2009 James Darnley
*
* 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 AVFORMAT_VORBISCOMMENT_H
#define AVFORMAT_VORBISCOMMENT_H
#include "avformat.h"
#include "metadata.h"
/**
* Calculate the length in bytes of a VorbisComment. This is the minimum
* size required by ff_vorbiscomment_write().
*
* @param m The metadata structure to be parsed. For no metadata, set to NULL.
* @param vendor_string The vendor string to be added into the VorbisComment.
* For no string, set to an empty string.
* @param count Pointer to store the number of tags in m because m->count is "not allowed"
* @return The length in bytes.
*/
int ff_vorbiscomment_length(AVDictionary *m, const char *vendor_string,
unsigned *count);
/**
* Write a VorbisComment into a buffer. The buffer, p, must have enough
* data to hold the whole VorbisComment. The minimum size required can be
* obtained by passing the same AVDictionary and vendor_string to
* ff_vorbiscomment_length()
*
* @param p The buffer in which to write.
* @param m The metadata struct to write.
* @param vendor_string The vendor string to write.
* @param count The number of tags in m because m->count is "not allowed"
*/
int ff_vorbiscomment_write(uint8_t **p, AVDictionary **m,
const char *vendor_string, const unsigned count);
extern const AVMetadataConv ff_vorbiscomment_metadata_conv[];
#endif /* AVFORMAT_VORBISCOMMENT_H */