mirror of
https://github.com/nyanmisaka/ffmpeg-rockchip.git
synced 2025-11-01 04:53:04 +08:00
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
/*
|
|
* raw FLAC muxer
|
|
* Copyright (C) 2009 Justin Ruggles
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "libavcodec/flac.h"
|
|
#include "libavcodec/bytestream.h"
|
|
#include "avformat.h"
|
|
#include "flacenc.h"
|
|
|
|
int ff_flac_write_header(AVIOContext *pb, AVCodecContext *codec,
|
|
int last_block)
|
|
{
|
|
uint8_t header[8] = {
|
|
0x66, 0x4C, 0x61, 0x43, 0x00, 0x00, 0x00, 0x22
|
|
};
|
|
uint8_t *streaminfo;
|
|
enum FLACExtradataFormat format;
|
|
|
|
header[4] = last_block ? 0x80 : 0x00;
|
|
if (!avpriv_flac_is_extradata_valid(codec, &format, &streaminfo))
|
|
return -1;
|
|
|
|
/* write "fLaC" stream marker and first metadata block header */
|
|
avio_write(pb, header, 8);
|
|
|
|
/* write STREAMINFO */
|
|
avio_write(pb, streaminfo, FLAC_STREAMINFO_SIZE);
|
|
|
|
return 0;
|
|
}
|