From b74f67eb17b3dae49cb42affa07b5c41ef09160e Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Tue, 18 May 2010 17:28:07 +0000 Subject: [PATCH] In ts demuxer, output pes packet as soon as they are complete. This is needed for subtitles where packets are infrequent. Patch by Janne Grunau, janne-ffmpeg at jannau dot net. Originally committed as revision 23157 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/mpegts.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index c92a9c2585..59603384d2 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -807,6 +807,16 @@ static int mpegts_push_data(MpegTSFilter *filter, pes->data_index += buf_size; } buf_size = 0; + /* emit complete packets with known packet size + * decreases demuxer delay for infrequent packets like subtitles from + * a couple of seconds to milliseconds for properly muxed files. + * total_size is the number of bytes following pes_packet_length + * in the pes header, i.e. not counting the first 6 bytes */ + if (pes->total_size < MAX_PES_PAYLOAD && + pes->pes_header_size + pes->data_index == pes->total_size + 6) { + ts->stop_parse = 1; + new_pes_packet(pes, ts->pkt); + } break; case MPEGTS_SKIP: buf_size = 0; -- 2.11.0