yading@11: /* yading@11: * VorbisComment writer yading@11: * Copyright (c) 2009 James Darnley yading@11: * yading@11: * This file is part of FFmpeg. yading@11: * yading@11: * FFmpeg is free software; you can redistribute it and/or yading@11: * modify it under the terms of the GNU Lesser General Public yading@11: * License as published by the Free Software Foundation; either yading@11: * version 2.1 of the License, or (at your option) any later version. yading@11: * yading@11: * FFmpeg is distributed in the hope that it will be useful, yading@11: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@11: * Lesser General Public License for more details. yading@11: * yading@11: * You should have received a copy of the GNU Lesser General Public yading@11: * License along with FFmpeg; if not, write to the Free Software yading@11: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@11: */ yading@11: yading@11: #ifndef AVFORMAT_VORBISCOMMENT_H yading@11: #define AVFORMAT_VORBISCOMMENT_H yading@11: yading@11: #include "avformat.h" yading@11: #include "metadata.h" yading@11: yading@11: /** yading@11: * Calculate the length in bytes of a VorbisComment. This is the minimum yading@11: * size required by ff_vorbiscomment_write(). yading@11: * yading@11: * @param m The metadata structure to be parsed. For no metadata, set to NULL. yading@11: * @param vendor_string The vendor string to be added into the VorbisComment. yading@11: * For no string, set to an empty string. yading@11: * @param count Pointer to store the number of tags in m because m->count is "not allowed" yading@11: * @return The length in bytes. yading@11: */ yading@11: int ff_vorbiscomment_length(AVDictionary *m, const char *vendor_string, yading@11: unsigned *count); yading@11: yading@11: /** yading@11: * Write a VorbisComment into a buffer. The buffer, p, must have enough yading@11: * data to hold the whole VorbisComment. The minimum size required can be yading@11: * obtained by passing the same AVDictionary and vendor_string to yading@11: * ff_vorbiscomment_length() yading@11: * yading@11: * @param p The buffer in which to write. yading@11: * @param m The metadata struct to write. yading@11: * @param vendor_string The vendor string to write. yading@11: * @param count The number of tags in m because m->count is "not allowed" yading@11: */ yading@11: int ff_vorbiscomment_write(uint8_t **p, AVDictionary **m, yading@11: const char *vendor_string, const unsigned count); yading@11: yading@11: extern const AVMetadataConv ff_vorbiscomment_metadata_conv[]; yading@11: yading@11: #endif /* AVFORMAT_VORBISCOMMENT_H */