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livepeer / livepeer-wowza

Livepeer + Wowza Integration Plugin
MIT License
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Wowza sometimes emits segments without audio #51

Open darkdarkdragon opened 4 years ago

darkdarkdragon commented 4 years ago

Wowza tends to emit (once in 30 min) segment with just one video frame and without any audio data. It does have audio stream in header, but no packet with audio codec parameters. FFmpeg shows this warning for such segment:

Could not find codec parameters for stream 2 (Audio: aac ([15][0][0][0] / 0x000F), 0 channels, fltp): unspecified sample rate
Consider increasing the value for the 'analyzeduration' and 'probesize' options

joy4 can't read parse this segment because it can't find audio codec data.

darkdarkdragon commented 4 years ago

Example segment no_audio.zip