From dbdaebe28dac218c965f3cd37a2bc3ad517a7019 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 16 Mar 2006 17:04:31 +0000 Subject: [PATCH] extract duration Originally committed as revision 5171 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/flvdec.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c index 5fa3678628..953be09c50 100644 --- a/libavformat/flvdec.c +++ b/libavformat/flvdec.c @@ -34,7 +34,7 @@ static int flv_probe(AVProbeData *p) static int flv_read_header(AVFormatContext *s, AVFormatParameters *ap) { - int offset, flags; + int offset, flags, size; s->ctx_flags |= AVFMTCTX_NOHEADER; //ok we have a header but theres no fps, codec type, sample_rate, ... @@ -42,6 +42,17 @@ static int flv_read_header(AVFormatContext *s, flags = get_byte(&s->pb); offset = get_be32(&s->pb); + + if(!url_is_streamed(&s->pb)){ + const int fsize= url_fsize(&s->pb); + url_fseek(&s->pb, fsize-4, SEEK_SET); + size= get_be32(&s->pb); + url_fseek(&s->pb, fsize-3-size, SEEK_SET); + if(size == get_be24(&s->pb) + 11){ + s->duration= get_be24(&s->pb) * (int64_t)AV_TIME_BASE / 1000; + } + } + url_fseek(&s->pb, offset, SEEK_SET); return 0;