[FFmpeg-devel] [PATCH] avformat/webvttdec, enc: correctly process files containing STYLE, REGION blocks

[Dave Evans]

This patch fixes the total failure to parse cues when style and region
definition blocks are contained in the input file, and ensures those blocks
are written to the output when copying.

The test attached needs to be added to samples at the path shown in the
patch in order to validate that the original issue is fixed.

First patch so please go easy :-)

Cheers,
Dave
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