diff options
| -rw-r--r-- | ffmpeg_opt.c | 8 |
1 files 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) |
