Is there any trick to getting either the duration or the bitrate for webm
files? These values are returned as either zero or negative. I want the
duration actually, but I could estimate it if I had the bitrates for both
streams.
Libvpx seems to expose duration in a call to
nestegg_duration(nestegg * ctx, uint64_t * duration)
I tried compiling to see, but the build params are nasty. I'm assuming that
libav uses libvpx for webm. I can try to get it to work if it has been left
out, or am I missing something? I think the audio track is vorbis, so
shouldn't that work? Maybe I'm missing something.
Thanks.
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