diff options
author | James Darnley <james.darnley@gmail.com> | 2010-03-20 16:36:43 +0300 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2010-03-20 16:36:43 +0300 |
commit | 66061a1220bc91b216e2a59f6f779c7140a1d198 (patch) | |
tree | ab922f26c63401fbeeaec0adc8c17c513ee701be /libavformat/vorbiscomment.h | |
parent | 64f6e357fdf955e67017dfd34ed06b1478b403e2 (diff) |
Add VorbisComment writing to FLAC files.
Patch by James Darnley <james darnley at gmail>.
Originally committed as revision 22605 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/vorbiscomment.h')
-rw-r--r-- | libavformat/vorbiscomment.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libavformat/vorbiscomment.h b/libavformat/vorbiscomment.h new file mode 100644 index 0000000000..714f1f2b96 --- /dev/null +++ b/libavformat/vorbiscomment.h @@ -0,0 +1,57 @@ +/* + * 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" + +/** + * Calculates 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(AVMetadata *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 AVMetadata 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, AVMetadata *m, + const char *vendor_string, const unsigned count); + +extern const AVMetadataConv ff_vorbiscomment_metadata_conv[]; + +#endif /* AVFORMAT_VORBISCOMMENT_H */ |