James Almer b8f26779d6 lavf: use the new bitstream filter for extracting extradata ...

This merges commits 8e2ea69135 and
096a8effa3 by Anton Khirnov, with the
following change:

- extract_extradata_check() is added to know if the codec is supported
by the bsf before trying to initialize it. This behaviour is similar to
the old AVCodecParser.split checks.

The FATE reference changes are due to the filtered out NAL units that
the old AVCodecParser.split implementation left alone.
Decoding is unchanged as the functions that parse extradata simply
ignored said unnecessary NAL units.

Signed-off-by: James Almer <jamrial@gmail.com>

2017-04-07 17:16:17 -03:00

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