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| -rw-r--r-- | doc/faq.texi | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/doc/faq.texi b/doc/faq.texi index c47d9d969e..74c259f2bb 100644 --- a/doc/faq.texi +++ b/doc/faq.texi @@ -368,26 +368,6 @@ ffmpeg -f u16le -acodec pcm_s16le -ac 2 -ar 44100 -i all.a \ rm temp[12].[av] all.[av] @end example -@section -profile option fails when encoding H.264 video with AAC audio - -@command{ffmpeg} prints an error like - -@example -Undefined constant or missing '(' in 'baseline' -Unable to parse option value "baseline" -Error setting option profile to value baseline. -@end example - -Short answer: write @option{-profile:v} instead of @option{-profile}. - -Long answer: this happens because the @option{-profile} option can apply to both -video and audio. Specifically the AAC encoder also defines some profiles, none -of which are named @var{baseline}. - -The solution is to apply the @option{-profile} option to the video stream only -by using @url{http://ffmpeg.org/ffmpeg.html#Stream-specifiers-1, Stream specifiers}. -Appending @code{:v} to it will do exactly that. - @section Using @option{-f lavfi}, audio becomes mono for no apparent reason. Use @option{-dumpgraph -} to find out exactly where the channel layout is |