*
* Uses libogg, but requires libvorbisenc to construct correct headers
* when containing Vorbis stream -- currently the only format supported
+ *
+ * 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 <stdio.h>
#include "avformat.h"
-#undef NDEBUG
-#include <assert.h>
#define DECODER_BUFFER_SIZE 4096
op->packetno++; //FIXME multiple streams
}
- context->header_handled = 0 ;
+ context->header_handled = 0 ;
}
return 0 ;
/* flush header packets so audio starts on a new page */
if(!context->header_handled) {
- while(ogg_stream_flush(&context->os, &og)) {
- put_buffer(&avfcontext->pb, og.header, og.header_len) ;
- put_buffer(&avfcontext->pb, og.body, og.body_len) ;
- put_flush_packet(&avfcontext->pb);
- }
- context->header_handled = 1 ;
+ while(ogg_stream_flush(&context->os, &og)) {
+ put_buffer(&avfcontext->pb, og.header, og.header_len) ;
+ put_buffer(&avfcontext->pb, og.body, og.body_len) ;
+ put_flush_packet(&avfcontext->pb);
+ }
+ context->header_handled = 1 ;
}
op->packet = (uint8_t*) pkt->data;
while(ogg_stream_pageout(&context->os, &og)) {
put_buffer(&avfcontext->pb, og.header, og.header_len);
- put_buffer(&avfcontext->pb, og.body, og.body_len);
- put_flush_packet(&avfcontext->pb);
+ put_buffer(&avfcontext->pb, og.body, og.body_len);
+ put_flush_packet(&avfcontext->pb);
}
op->packetno++;
ogg_page og ;
while(ogg_stream_flush(&context->os, &og)) {
- put_buffer(&avfcontext->pb, og.header, og.header_len) ;
- put_buffer(&avfcontext->pb, og.body, og.body_len) ;
- put_flush_packet(&avfcontext->pb);
+ put_buffer(&avfcontext->pb, og.header, og.header_len) ;
+ put_buffer(&avfcontext->pb, og.body, og.body_len) ;
+ put_flush_packet(&avfcontext->pb);
}
ogg_stream_clear(&context->os) ;
}
-static AVOutputFormat ogg_oformat = {
+AVOutputFormat ogg_muxer = {
"ogg",
- "Ogg Vorbis",
- "audio/x-vorbis",
+ "Ogg format",
+ "application/ogg",
"ogg",
sizeof(OggContext),
CODEC_ID_VORBIS,
while(ogg_stream_packetout(&context->os, op) != 1) {
- /* while no pages are available, read in more data to the sync */
- while(ogg_sync_pageout(&context->oy, &og) != 1) {
- buf = ogg_sync_buffer(&context->oy, DECODER_BUFFER_SIZE) ;
- if(get_buffer(&avfcontext->pb, buf, DECODER_BUFFER_SIZE) <= 0)
- return 1 ;
- ogg_sync_wrote(&context->oy, DECODER_BUFFER_SIZE) ;
- }
-
- /* got a page. Feed it into the stream and get the packet */
- if(ogg_stream_pagein(&context->os, &og) != 0)
- return 1 ;
+ /* while no pages are available, read in more data to the sync */
+ while(ogg_sync_pageout(&context->oy, &og) != 1) {
+ buf = ogg_sync_buffer(&context->oy, DECODER_BUFFER_SIZE) ;
+ if(get_buffer(&avfcontext->pb, buf, DECODER_BUFFER_SIZE) <= 0)
+ return 1 ;
+ ogg_sync_wrote(&context->oy, DECODER_BUFFER_SIZE) ;
+ }
+
+ /* got a page. Feed it into the stream and get the packet */
+ if(ogg_stream_pagein(&context->os, &og) != 0)
+ return 1 ;
}
return 0 ;
buf = ogg_sync_buffer(&context->oy, DECODER_BUFFER_SIZE) ;
if(get_buffer(&avfcontext->pb, buf, DECODER_BUFFER_SIZE) <= 0)
- return AVERROR_IO ;
+ return AVERROR(EIO) ;
ogg_sync_wrote(&context->oy, DECODER_BUFFER_SIZE) ;
ogg_sync_pageout(&context->oy, &og) ;
ast = av_new_stream(avfcontext, 0) ;
if(!ast)
- return AVERROR_NOMEM ;
+ return AVERROR(ENOMEM) ;
av_set_pts_info(ast, 60, 1, AV_TIME_BASE);
codec= &ast->codec;
ogg_packet op ;
if(next_packet(avfcontext, &op))
- return AVERROR_IO ;
+ return AVERROR(EIO) ;
if(av_new_packet(pkt, op.bytes) < 0)
- return AVERROR_IO ;
+ return AVERROR(EIO) ;
pkt->stream_index = 0 ;
memcpy(pkt->data, op.packet, op.bytes);
if(avfcontext->streams[0]->codec.sample_rate && op.granulepos!=-1)
pkt->pts= av_rescale(op.granulepos, AV_TIME_BASE, avfcontext->streams[0]->codec.sample_rate);
-// printf("%lld %d %d\n", pkt->pts, (int)op.granulepos, avfcontext->streams[0]->codec.sample_rate);
+// printf("%"PRId64" %d %d\n", pkt->pts, (int)op.granulepos, avfcontext->streams[0]->codec.sample_rate);
return op.bytes;
}
ogg_stream_clear(&context->os) ;
ogg_sync_clear(&context->oy) ;
- av_freep(&avfcontext->streams[0]->codec.extradata);
return 0 ;
}
.extensions = "ogg",
} ;
#endif
-
-int libogg_init(void) {
-#ifdef CONFIG_MUXERS
- av_register_output_format(&ogg_oformat) ;
-#endif
-/* av_register_input_format(&ogg_iformat); */
- return 0 ;
-}