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Support playing movies with libav and fix ffmpeg audio stutter #621

Merged
merged 3 commits into from
Feb 4, 2015
Merged

Support playing movies with libav and fix ffmpeg audio stutter #621

merged 3 commits into from
Feb 4, 2015

Commits on Feb 3, 2015

  1. Support playing movies with libav 

    Makes libav an optional alternative to ffmpeg, selected in cmake.

The intro movie plays perfectly with this libav code.
    @TheCycoONE
    TheCycoONE committed Feb 3, 2015
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  2. Fix stutter in ffmpeg movie audio 

    Attempting to calculate the resampling delay for determining the number
of out samples was actually causing underruns. There is no harm in not
accounting for any resample delay because any samples not taken are
buffered for the next conversion.
    @TheCycoONE
    TheCycoONE committed Feb 3, 2015
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  3. Fix deprecation warnings in th_movies.cpp and free frames properly 

    Use av_frame_alloc, av_frame_unref, and av_frame_free instead of their
earlier equivalents. In the case of av_frame_free we were not using
the earlier equivalent but av_free.  With these changes avcodec_frame_free
will be used on versions that don't yet support av_frame_free. FFMPEG
versions that do not support avcodec_frame_free are not supported with
this commit.
    @TheCycoONE
    TheCycoONE committed Feb 3, 2015
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