From cde073b44865e9d5e3863e865af921a3bf1dac1f Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 24 May 2004 13:08:00 +0000
Subject: [PATCH] 100l (AVStream.duration)
Originally committed as revision 3154 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavformat/avidec.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 27d3991b8ca..fbc81f0135f 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -209,7 +209,9 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
get_le32(pb); /* start */
nb_frames = get_le32(pb);
st->start_time = 0;
- st->duration = nb_frames;
+ st->duration = av_rescale(nb_frames,
+ st->codec.frame_rate_base * AV_TIME_BASE,
+ st->codec.frame_rate);
url_fskip(pb, size - 9 * 4);
break;
case MKTAG('a', 'u', 'd', 's'):
@@ -239,7 +241,8 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
ast->sample_size = get_le32(pb); /* sample ssize */
//av_log(NULL, AV_LOG_DEBUG, "%d %d %d %d\n", ast->scale, ast->rate, ast->sample_size, ast->start);
st->start_time = 0;
- st->duration = length;
+ if (ast->rate != 0)
+ st->duration = (int64_t)length * AV_TIME_BASE / ast->rate;
url_fskip(pb, size - 12 * 4);
}
break;
--
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