[FFmpeg-devel] [PATCH v3] lavf/matroskadec: Normalize noncompliant A_QUICKTIME/V_QUICKTIME private data

[Mats Peterson]

Incorrectly used ff_codec_movvideo_tags instead of codec_tags.
Description follows:

This patch adds a new static function get_qt_codec() that takes care of 
the initial retrieval of the fourcc and codec ID for A_QUICKTIME and 
V_QUICKTIME. It also normalizes noncompliant private data found in some 
older files that incorrectly starts with the fourcc by 
expanding/shifting the data by 4 bytes, and storing the data size at the 
start. This is important in order to make the private data work as 
expected and without false positives with the rest of the code in the 
A_QUICKTIME and V_QUICKTIME blocks (and most likely in other places as 
well).

Mats

-- 
Mats Peterson
http://matsp888.no-ip.org/~mats/
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