[omxplayer] factor out the omxplayer busy dialog waiting
[rbp/omxplayer] When opening a stream don't try to update gui so often
[omxcodec] Clamp video texture at edges to avoid image wrapping
[PiSink] Grab resample coefficients by submitting identity samples
[PiSink] Remove unneeded header and use CAEChannelInfo directly
[omxplayer] Remove PCMRemap and handle multichannel mixing like ActiveAE does