== OMX on thea (video playback) ==
Steps to make video playback work
=== patch omx_vdec_msm8974.cpp ===

patch the file $ANDROID_ROOT/hardware/qcom/media-caf/msm8974/mm-video-v4l2/vidc/vdec/src/omx_vdec_msm8974.cpp according to this commit [https://github.com/guhl/android_hardware_qcom_media/commit/753fd171ea3240cd17195fffd7dd3c6a406bf370]


enter the HADK (ubuntu) and build libOmxVdec
{{{
cd $ANDROID_ROOT
. build/envsetup.sh
breakfast $DEVICE
make -j4 libOmxVdec
}}}

=== edit /init.rc ===
edit the file $ANDROID_ROOT/system/core/rootdir/init.rc and preload the libOmxVdec with service minimedia. Make it look like this:
{{{
service minimedia /usr/libexec/droid-hybris/system/bin/minimediaservice
    class main
    user media
    group audio camera
    ioprio rt 4
#   hack to make recorded video playback work
    setenv LD_PRELOAD /usr/libexec/droid-hybris/system/lib/libOmxVdec.so
}}}

in HADK build hybris-hal
{{{
cd $ANDROID_ROOT
. build/envsetup.sh
breakfast $DEVICE
make -j4 hybris-hal
}}}

=== pack the hal ===
in SDK
{{{
cd $ANDROID_ROOT
rpm/dhd/helpers/build_packages.sh -d
}}}

rebuild image with mic