diff options
Diffstat (limited to 'ffmpeg_opt.c')
| -rw-r--r-- | ffmpeg_opt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c index 13152d0..7a5eaa5 100644 --- a/ffmpeg_opt.c +++ b/ffmpeg_opt.c @@ -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) { |
