Difference between revisions of "CI20 MPlayer"
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Revision as of 08:49, 4 November 2014
Accelerated video playback using the JZ4780 VPU is currently supported using a modified version of MPlayer.
The sources for this can be found on github.
This works for kernel 3.0.8.
On the CI20, install the following packages.
apt-get install git apt-get install libavcodec-dev apt-get install zlib1g-dev apt-get install libgtk2.0-dev apt-get install libgl1-mesa-dev apt-get install gawk apt-get install libasound2-dev
git clone https://github.com/MIPS/CI20_mplayer mplayer
cd mplayer ./build.sh
The build process can take quite a while as it is a native build.
The build.sh script will build it with all the needed configuration options (native build, not cross-compiled). As part of the build process a number of blobs are built that run on the VPU.
MPlayer will look for these either in the current directory, or in <prefix>/share/mplayer.
At the moment, the fbdev output backend with h264 codecs works best.
MPlayer must be run as root as it needs access to the following (the permissions of the device nodes can be changed, but the /proc entries cannot):
Example for h264 playback with fbdev backend
Download the following http://mirror.bigbuckbunny.de/peach/bigbuckbunny_movies/big_buck_bunny_1080p_h264.mov
And as root, play using
./mplayer big_buck_bunny_1080p_h264.mov -vo fbdev -ao alsa:device=hw=0.0
The -ao alsa:device=hw=0.0 is because this particular file has surround aac audio which isn't picked up by default.