diff options
author | Anton Khirnov <anton@khirnov.net> | 2014-01-15 21:32:38 +0100 |
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committer | Anton Khirnov <anton@khirnov.net> | 2014-01-17 10:30:45 +0100 |
commit | 2ce8bca51f7264b47027f69d50dd8e49aa2fd683 (patch) | |
tree | 75c3807f1ba3cd3adbab04426d9039d8ce2a375c /avconv.c | |
parent | 33018907bd07b34e0e70d5ae12097265eb3734d7 (diff) | |
download | ffmpeg-2ce8bca51f7264b47027f69d50dd8e49aa2fd683.tar.gz |
avconv: print a warning when falling back to default 25fps
Diffstat (limited to 'avconv.c')
-rw-r--r-- | avconv.c | 17 |
1 files changed, 13 insertions, 4 deletions
@@ -1691,10 +1691,19 @@ static int transcode_init(void) (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) { - ost->frame_rate = ist->framerate.num ? ist->framerate : - ist->st->avg_frame_rate.num ? - ist->st->avg_frame_rate : - (AVRational){25, 1}; + if (ist->framerate.num) + ost->frame_rate = ist->framerate; + else if (ist->st->avg_frame_rate.num) + ost->frame_rate = ist->st->avg_frame_rate; + else { + av_log(NULL, AV_LOG_WARNING, "Constant framerate requested " + "for the output stream #%d:%d, but no information " + "about the input framerate is available. Falling " + "back to a default value of 25fps. Use the -r option " + "if you want a different framerate.\n", + ost->file_index, ost->index); + ost->frame_rate = (AVRational){ 25, 1 }; + } if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); |