From cdf38a17fbd8da972dce80e4a00992d42f0ac64c Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 9 Apr 2009 00:13:59 +0000
Subject: [PATCH] Fix -ss / -t interaction with -acodec copy. Fixes issue203
Originally committed as revision 18382 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
ffmpeg.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/ffmpeg.c b/ffmpeg.c
index cb15120eee1..700d75fb20e 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1364,6 +1364,8 @@ static int output_packet(AVInputStream *ist, int ist_index,
} else {
AVFrame avframe; //FIXME/XXX remove this
AVPacket opkt;
+ int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
+
av_init_packet(&opkt);
if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
@@ -1385,7 +1387,7 @@ static int output_packet(AVInputStream *ist, int ist_index,
opkt.stream_index= ost->index;
if(pkt->pts != AV_NOPTS_VALUE)
- opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
+ opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
else
opkt.pts= AV_NOPTS_VALUE;
@@ -1393,6 +1395,7 @@ static int output_packet(AVInputStream *ist, int ist_index,
opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
else
opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
+ opkt.dts -= ost_tb_start_time;
opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
opkt.flags= pkt->flags;
--
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