From 0949869e7b8020beb8d9727cc0855c06beb31ae7 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 29 Jul 2015 18:58:57 +0200 Subject: ffmpeg_op: Print warning if duration isnt known when -sseof is used Found-by: ubitux Signed-off-by: Michael Niedermayer --- ffmpeg_opt.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c index 351c47b..d912cb0 100644 --- a/ffmpeg_opt.c +++ b/ffmpeg_opt.c @@ -934,8 +934,12 @@ static int open_input_file(OptionsContext *o, const char *filename) } } - if (o->start_time_eof != AV_NOPTS_VALUE && ic->duration>0) - o->start_time = o->start_time_eof + ic->duration; + if (o->start_time_eof != AV_NOPTS_VALUE) { + if (ic->duration>0) { + o->start_time = o->start_time_eof + ic->duration; + } else + av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename); + } timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time; /* add the stream start time */ if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE) -- cgit v1.1