mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
6397b4d6a2
Up until now ff_vorbiscomment_write() used the bytestream API to write VorbisComments. Therefore the caller had to provide a sufficiently large buffer to write the output. Yet two of the three callers (namely the FLAC and the Matroska muxer) actually want the output to be written via an AVIOContext; therefore they allocated buffers of the right size just for this purpose (i.e. they get freed immediately afterwards). Only the Ogg muxer actually wants a buffer. But given that it is easy to wrap a buffer into an AVIOContext this commit changes ff_vorbiscomment_write() to use an AVIOContext for its output. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
58 lines
2.1 KiB
C
58 lines
2.1 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.
|
|
* @return The length in bytes.
|
|
*/
|
|
int64_t ff_vorbiscomment_length(const AVDictionary *m, const char *vendor_string,
|
|
AVChapter **chapters, unsigned int nb_chapters);
|
|
|
|
/**
|
|
* Write a VorbisComment into an AVIOContext. The output size can be obtained
|
|
* in advance by passing the same chapters, AVDictionary and vendor_string to
|
|
* ff_vorbiscomment_length()
|
|
*
|
|
* @param pb The AVIOContext to write the output.
|
|
* @param m The metadata struct to write.
|
|
* @param vendor_string The vendor string to write.
|
|
* @param chapters The chapters to write.
|
|
* @param nb_chapters The number of chapters to write.
|
|
*/
|
|
int ff_vorbiscomment_write(AVIOContext *pb, const AVDictionary *m,
|
|
const char *vendor_string,
|
|
AVChapter **chapters, unsigned int nb_chapters);
|
|
|
|
extern const AVMetadataConv ff_vorbiscomment_metadata_conv[];
|
|
|
|
#endif /* AVFORMAT_VORBISCOMMENT_H */
|