On Fri, Dec 31, 2021 at 08:11:46PM -0500, John-Paul Stewart wrote: > Changed in v2: > Allocate the audio stream first to maintain consistent behaviour > with prior code. > > Recent discussion on the list led me to realize that libavformat was > unconditionally creating an audio stream for all SGI movie format > (version 2) files, even when no audio is present in the file. > > A sample of a movie file with no audio can be found at > http://www.personalprojects.net/ffmpeg/silent.movie > > Unpatched ffmpeg will report an audio stream even though no audio is > present. After the following patch no audio stream is reported. > > Incidentally, the silent.movie sample above is at 25fps and can also be > used by anyone who wants to double-check the earlier patch 3c9ffbd009 > that reads and sets the framerate. The sample file is only about 88 KB.
v2 patchset looks good to me. I will apply in a couple of days. Thanks. -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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