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| author | Luca Barbato <lu_zero@gentoo.org> | 2012-07-26 16:35:12 -0700 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2012-07-29 07:58:00 +0200 |
| commit | 681ed0009905a088aae2a5caf2308d89aaa80562 (patch) | |
| tree | e782d35012e726cd30a9cf09902ec92c1e477cfb /libavformat/utils.c | |
| parent | d905c6440637fafca56c4cd17cbe041f2aaae9ff (diff) | |
| download | ffmpeg-streaming-681ed0009905a088aae2a5caf2308d89aaa80562.zip ffmpeg-streaming-681ed0009905a088aae2a5caf2308d89aaa80562.tar.gz | |
avf: introduce nobuffer option
Useful in cases where a significant analyzeduration is
still needed, while minimizing buffering before output.
An example is processing low-latency streams where all
media types won't necessarily come in if the
analyzeduration is small.
Additional changes by Josh Allmann <joshua.allmann@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavformat/utils.c')
| -rw-r--r-- | libavformat/utils.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 4ec70b7..149913c 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -2383,9 +2383,14 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) break; } - pkt= add_to_pktbuf(&ic->packet_buffer, &pkt1, &ic->packet_buffer_end); - if ((ret = av_dup_packet(pkt)) < 0) - goto find_stream_info_err; + if (ic->flags & AVFMT_FLAG_NOBUFFER) { + pkt = &pkt1; + } else { + pkt = add_to_pktbuf(&ic->packet_buffer, &pkt1, + &ic->packet_buffer_end); + if ((ret = av_dup_packet(pkt)) < 0) + goto find_stream_info_err; + } read_size += pkt->size; |
