mirror of https://git.ffmpeg.org/ffmpeg.git
avconv: print a warning when falling back to default 25fps
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parent
33018907bd
commit
2ce8bca51f
17
avconv.c
17
avconv.c
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@ -1691,10 +1691,19 @@ static int transcode_init(void)
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(video_sync_method == VSYNC_CFR ||
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(video_sync_method == VSYNC_AUTO &&
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!(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
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ost->frame_rate = ist->framerate.num ? ist->framerate :
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ist->st->avg_frame_rate.num ?
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ist->st->avg_frame_rate :
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(AVRational){25, 1};
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if (ist->framerate.num)
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ost->frame_rate = ist->framerate;
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else if (ist->st->avg_frame_rate.num)
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ost->frame_rate = ist->st->avg_frame_rate;
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else {
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av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
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"for the output stream #%d:%d, but no information "
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"about the input framerate is available. Falling "
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"back to a default value of 25fps. Use the -r option "
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"if you want a different framerate.\n",
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ost->file_index, ost->index);
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ost->frame_rate = (AVRational){ 25, 1 };
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}
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if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
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int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
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