[pulseaudio-tickets] [Bug 57412] New: Pulseaudio under enumerates HDMI interfaces via ALSA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57412

          Priority: medium
            Bug ID: 57412
                CC: lennart at poettering.net
          Assignee: pulseaudio-bugs at lists.freedesktop.org
           Summary: Pulseaudio under enumerates HDMI interfaces via ALSA
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: abeeson at csu.edu.au
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: alsa
           Product: PulseAudio

Pulseaudio is automatically discovering the HDMI output on my devices but is
failing to create devices for all the outputs. (this has happened on multiple
devices with HDMI outputs, both Nvidia and intel i have seen it on + i have
heard reports of it happening on ATI devices as well) 

It selects the first device on the card, does everything correctly, however
this is not the live output for the device. The remaining devices on the card
are never added and fail to ever be detected. All attempts to manually add the
device result in bitstreaming not working.

See the following mailing list conversation from a staff member at Nvidia
around this issue:
http://www.mail-archive.com/pulseaudio-discuss@mail.0pointer.de/msg07447.html

As well as this old bug report on the TRAC which lines up with the problems im
having and could probably be closed with this bug report once fixed:
http://www.pulseaudio.org/ticket/909

Finally, this description / forum post about it all on the XBMC forums as i
troubleshoot'ed and finally worked around the issue.
http://forum.xbmc.org/showthread.php?tid=145971

I have not listed this bug as a blocker, however I feel it maybe should be,
with HDMI becoming more and more common and sound via it almost a requirement
in most situations its used i would expect this problem is affecting many many
people, with pulseaudio such an integral part of most major Linux OS's these
days (Fedora which i use being one of them) i would expect its a pretty
important one to fix.

Please let me know if you need any information, i believe the above should give
enough information but if you require aplay output etc please let me know.

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