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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-18 03:19:31 +02:00
FFmpeg/libavformat/vorbiscomment.h
Michael Niedermayer f9ecb849ef Merge remote-tracking branch 'qatar/master'
* qatar/master:
  crypto: Use av_freep instead of av_free
  lavf: don't try to free private options if priv_data is NULL.
  swscale: fix types of assembly arguments.
  swscale: move two macros that are only used once into caller.
  swscale: remove unused function.
  options: Add missing braces around struct initializer.
  mov: Remove leftover crufty debug statement with references to a local file.
  dvbsubdec: Fix compilation of debug code.
  Remove all uses of now deprecated metadata functions.
  Move metadata API from lavf to lavu.

Conflicts:
	doc/APIchanges
	libavformat/aiffdec.c
	libavformat/asfdec.c
	libavformat/avformat.h
	libavformat/avidec.c
	libavformat/cafdec.c
	libavformat/matroskaenc.c
	libavformat/mov.c
	libavformat/mp3enc.c
	libavformat/wtv.c
	libavutil/avutil.h
	libavutil/internal.h
	libswscale/swscale.c
	libswscale/x86/swscale_template.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-06-09 04:47:19 +02:00

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);
/**
* Writes 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 */