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964912aba5
* qatar/master: (21 commits) Warn about avserver being broken. avconv: drop code for special handling of avserver streams. rawdec: don't set codec timebase. lavf doxy: add muxing stuff to lavf_encoding group lavf doxy: add demuxing stuff to lavf_decoding group lavf doxy: expand/reword metadata API doxy. lavf doxy: add installed headers to groups. lavf doxy: add avio groups into the lavf_io group. lavf doxy: rename lavf I/O group to lavf_io. lavf doxy: add metadata docs to the main lavf group ttadec: check channel count as read from extradata. Add CLJR encoding and decoding regression tests cljr: remove unused code flacdec: Support for tracks in cuesheet metadata block ptx: fix inverted check for sufficient data flac muxer: fix writing of file header and STREAMINFO header from extradata ptx: emit a warning on insufficient picture data utvideo: add fate tests covering all codec variants doc: update to refer to avconv doc: remove some stale entries from the faq ... Conflicts: Changelog avconv.c doc/avconv.texi doc/faq.texi doc/ffplay.texi doc/ffprobe.texi doc/ffserver.texi libavcodec/avcodec.h libavcodec/cljr.c libavformat/avformat.h libavformat/riff.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* raw FLAC muxer
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* Copyright (C) 2009 Justin Ruggles
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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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#include "libavcodec/flac.h"
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#include "libavcodec/bytestream.h"
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#include "avformat.h"
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#include "flacenc.h"
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int ff_flac_write_header(AVIOContext *pb, AVCodecContext *codec,
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int last_block)
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{
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uint8_t header[8] = {
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0x66, 0x4C, 0x61, 0x43, 0x00, 0x00, 0x00, 0x22
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};
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uint8_t *streaminfo;
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enum FLACExtradataFormat format;
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header[4] = last_block ? 0x80 : 0x00;
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if (!avpriv_flac_is_extradata_valid(codec, &format, &streaminfo))
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return -1;
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/* write "fLaC" stream marker and first metadata block header */
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avio_write(pb, header, 8);
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/* write STREAMINFO */
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avio_write(pb, streaminfo, FLAC_STREAMINFO_SIZE);
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return 0;
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}
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