Hi Arun, I have several things unclear about passthrough support: 1. Is it only useful when there's hardware decoding functionality available? Can I simply test out passthrough with the current ALSA sound card (some emulations possible)? 2. As right now, ALSA only have PCM interface, how do we pass the encoded data down? Do we have to use some other driver specific interfaces? Vinod, recently posted some patches to add compression interface for ALSA. Is that needed? 3. To be able to use passthrough, do we still need changes on Gstreamer? Therefore people can simply use something like 'gst-launch xxx'. And how's that status? -- guanqun
