Hi!
I don't think these options are meant to be used together.
Related to ticket #4041.
Please comment, Carl Eugen
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index c518ae1..00eee9f 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -1276,6 +1276,8 @@ 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 produces invalid
output files\n");
MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
if (frame_aspect_ratio) {
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