ainer_002dspecific-codec-tags">3 Container-specific codec tags</a></h1>

<a name="Generic-raw-YUVA-formats"></a>
<h2 class="section"><a href="nut.html#toc-Generic-raw-YUVA-formats">3.1 Generic raw YUVA formats</a></h2>

<p>Since many exotic planar YUVA pixel formats are not considered by
the AVI/QuickTime FourCC lists, the following scheme is adopted for
representing them.
</p>
<p>The first two bytes can contain the values:
Y1 = only Y
Y2 = Y+A
Y3 = YUV
Y4 = YUVA
</p>
<p>The third byte represents the width 