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