mirror of https://github.com/FFmpeg/FFmpeg.git
Originally committed as revision 17601 to svn://svn.ffmpeg.org/ffmpeg/trunkpull/126/head
parent
e8d5c07bcc
commit
caee91f7d0
3 changed files with 75 additions and 49 deletions
@ -0,0 +1,74 @@ |
||||
/*
|
||||
* raw FLAC muxer |
||||
* Copyright (c) 2006-2009 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 "avformat.h" |
||||
|
||||
static int flac_write_header(struct AVFormatContext *s) |
||||
{ |
||||
static const uint8_t header[8] = { |
||||
0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22 |
||||
}; |
||||
uint8_t *streaminfo = s->streams[0]->codec->extradata; |
||||
int len = s->streams[0]->codec->extradata_size; |
||||
if(streaminfo != NULL && len > 0) { |
||||
put_buffer(s->pb, header, 8); |
||||
put_buffer(s->pb, streaminfo, len); |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
static int flac_write_trailer(struct AVFormatContext *s) |
||||
{ |
||||
ByteIOContext *pb = s->pb; |
||||
uint8_t *streaminfo = s->streams[0]->codec->extradata; |
||||
int len = s->streams[0]->codec->extradata_size; |
||||
int64_t file_size; |
||||
|
||||
if (streaminfo && len > 0 && !url_is_streamed(s->pb)) { |
||||
file_size = url_ftell(pb); |
||||
url_fseek(pb, 8, SEEK_SET); |
||||
put_buffer(pb, streaminfo, len); |
||||
url_fseek(pb, file_size, SEEK_SET); |
||||
put_flush_packet(pb); |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
static int flac_write_packet(struct AVFormatContext *s, AVPacket *pkt) |
||||
{ |
||||
put_buffer(s->pb, pkt->data, pkt->size); |
||||
put_flush_packet(s->pb); |
||||
return 0; |
||||
} |
||||
|
||||
AVOutputFormat flac_muxer = { |
||||
"flac", |
||||
NULL_IF_CONFIG_SMALL("raw FLAC"), |
||||
"audio/x-flac", |
||||
"flac", |
||||
0, |
||||
CODEC_ID_FLAC, |
||||
CODEC_ID_NONE, |
||||
flac_write_header, |
||||
flac_write_packet, |
||||
flac_write_trailer, |
||||
.flags= AVFMT_NOTIMESTAMPS, |
||||
}; |
Loading…
Reference in new issue