Jean-Yves Avenard 43c1f52a3b Bug 1487792 - Do not drain the FFmpeg parsers. r=bryce
In FFmpeg 4.0 and later, draining the parser will cause later decoding error as the decoder expects to only be fed a null packet.
It was also unnecessary for earlier version of FFmpeg

Differential Revision: https://phabricator.services.mozilla.com/D5056

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extra : moz-landing-system : lando
2018-09-06 11:18:28 +00:00
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