On Sun, Sep 04, 2011 at 06:57:23PM +0800, James Cloos wrote: > >>>>> "WF" == Wu Fengguang <fengguang.wu@xxxxxxxxx> writes: > > WF> ... If only the stereo playback capability is reported, the user > WF> won't be able to start 8-channel playback; if the 8-channel ELD is > WF> reported, then user space applications may send 8-channel samples > WF> down, however the user may actually be listening to the 2-channel > WF> monitor and not connecting speakers to the 8-channel monitor. > > WF> Overall, it's more safe to report maximum profiles to the user > WF> space, so that the user can at least be able to do 8-channel > WF> playback if he want to. > > Be aware that many TVs will either refuse the display anything or pop-up > an OSD warning whenever they receive hdmi audio which they cannot handle. OK, good to know that. > Sending 8-channel in your example may render the stereo-only monitor useless. Yes. > That said, one step at a time is reasonable. But eventually you will > require configurability and/or per-monitor audio control even when the > video is cloned. Fair enough. Thanks, Fengguang _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel