ffmpeg/libavcodec
Gonzalo Garramuno 3d20260157 avcodec/exr: read layers
EXR files have, like tiffs, multiple channels and layers.  I have a
patch for exr.c that allows you to select the layer you want to process
thru a -layer flag.  It is not bulletproof but works for all layers that
have 3 channels in them (normals, motion vectors, etc).
The calling convention for ffmpeg is:

ffmpeg -layer Diffuse -i myexr.%d.exr test.mov

Here's an exr image with multiple layers:

http://www.datafilehost.com/d/e45d9a1c

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-18 18:11:23 +01:00
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