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Print an error if -r and -vsync 0 are used together. 

Fixes ticket #4041.
This commit is contained in:
Carl Eugen Hoyos 2014-10-23 23:27:46 +02:00
parent 70c9d40008
commit 7a649e0783
1 changed files with 2 additions and 0 deletions
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ffmpeg_opt.c
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@ -1277,6 +1277,8 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, in
av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
exit_program(1);
}
if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
if (frame_aspect_ratio) {