Hi there !
I'm requesting YV12 buffers from camera callback
Camera.PreviewCallback.onPreviewFrame in Java and passing them to C++ via
JNI. Then I need to encode them in Xvid using official Xvid library.
But when specifying the Xvid image format to YV12, I noticed Android YV12
U and V components are inverted.
If I use the Xvid format I420 and use the Android YV12 buffer, the
resulting image is right.
So my question is : are you sure the YV12 Android format is the official
one defined in documents like http://www.fourcc.org/yuv.php#YV12 ?
On this page, you'll see that I420 is the same format as YV12 but with U
and V inverted.
Is this intended or a bug ?
I tested this on a Nexus S and emulator with an Android 4.0.3 system image.
Thanks.
Cédric
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