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https://gitee.com/openharmony/third_party_ffmpeg
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55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
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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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* @return The length in bytes.
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*/
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int64_t ff_vorbiscomment_length(AVDictionary *m, const char *vendor_string);
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/**
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* Write 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 AVDictionary 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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*/
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int ff_vorbiscomment_write(uint8_t **p, AVDictionary **m,
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const char *vendor_string);
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extern const AVMetadataConv ff_vorbiscomment_metadata_conv[];
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#endif /* AVFORMAT_VORBISCOMMENT_H */
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