From 301cee61fa61c55b1c178ebfbc590872e8b033e6 Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Mon, 14 Jan 2019 13:34:22 +0100 Subject: [PATCH] ffmpeg_opt: Print a warning if more than one -vf/-af option was specified. Fixes ticket #4184. --- fftools/ffmpeg_opt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index a99e762dc6..53d688b764 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -1681,6 +1681,8 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, in MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st); MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st); + if (o->nb_filters > 1) + av_log(NULL, AV_LOG_ERROR, "Only '-vf %s' read, ignoring remaining -vf options: Use ',' to separate filters\n", ost->filters); if (!ost->stream_copy) { const char *p = NULL; @@ -1862,6 +1864,8 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, in MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st); MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st); + if (o->nb_filters > 1) + av_log(NULL, AV_LOG_ERROR, "Only '-af %s' read, ignoring remaining -af options: Use ',' to separate filters\n", ost->filters); if (!ost->stream_copy) { char *sample_fmt = NULL;