[mythtv-firehose] mythtv branch master updated by pbennett. v30-Pre-509-gc9857a9

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The branch, master has been updated on the
mythtv repository by gitolite user pbennett.
       via  c9857a93f9bcfa2dfad39b0891f7f759a372504f (commit)
      from  028f5af3af6a5aec0d7a739840589e59df9cfdc4 (commit)

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- Log -----------------------------------------------------------------
commit c9857a93f9bcfa2dfad39b0891f7f759a372504f
Author:    Peter Bennett <pbennett at mythtv.org> at Thu, 15 Feb 2018 16:08:30 -0500
Committer: Peter Bennett <pbennett at mythtv.org> at Thu, 15 Feb 2018 16:08:30 -0500
URL:       http://code.mythtv.org/cgit/mythtv/commit/?id=c9857a93f9bcfa2dfad39b0891f7f759a372504f

ffmpeg: Fix handling of stream changes and errors
If a stream cannot be decoded with hardware assist,
then try switching to software decoding.

If a stream cannot be software decoded, display an
error message to the user and stop playback.

Remove stream-change hacks for h264 that are no
longer necessary and are now causing a failure.

Fixes #13211
Fixes #13217
Fixes #13218
Fixes #13223



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Summary of changes:
 mythtv/libs/libmythtv/avformatdecoder.cpp |   67 ++++++++++-------------------
 mythtv/libs/libmythtv/avformatdecoder.h   |    1 +
 mythtv/libs/libmythtv/mythplayer.h        |    2 +-
 3 files changed, 25 insertions(+), 45 deletions(-)

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