[pulseaudio-tickets] [Bug 47899] Stuttering when using "Simultaneous output"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=47899

--- Comment #10 from Raymond <superquad.vortex2 at gmail.com> ---
(In reply to comment #9)
> Created attachment 76983 [details]
> Chrome and flash with stuttering sound
> 
> Hi,
> 
> same problem here. 
> Configured Pulseaudio with simultaneous output on HDMI (nvidia) and HDA
> Intel (Realtek codec) analog stereo.

beside the audio clock at different cards are not run in same speed

Nvidia has alignment of period size of 128 bytes
but intel hda controller don't has this limitation


(   0.286|   0.000) D: [pulseaudio] alsa-util.c: Slave: Hardware PCM card 1
'HDA NVidia' device 3 subdevice 0
(   0.286|   0.000) D: [pulseaudio] alsa-util.c: Its setup is:
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   stream       : PLAYBACK
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   access       :
MMAP_INTERLEAVED
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   format       : S16_LE
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   subformat    : STD
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   channels     : 2
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   rate         : 44100
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   exact rate   : 44100
(44100/1)
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   msbits       : 16
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   buffer_size  : 88192
(   0.286|   0.000) D: [pulseaudio] alsa-util.c:   period_size  : 44096




(   0.344|   0.000) D: [pulseaudio] alsa-util.c: Slave: Hardware PCM card 0
'HDA Intel MID' device 0 subdevice 0
(   0.344|   0.000) D: [pulseaudio] alsa-util.c: Its setup is:
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   stream       : PLAYBACK
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   access       :
MMAP_INTERLEAVED
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   format       : S16_LE
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   subformat    : STD
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   channels     : 2
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   rate         : 44100
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   exact rate   : 44100
(44100/1)
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   msbits       : 16
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   buffer_size  : 88200
(   0.344|   0.000) D: [pulseaudio] alsa-util.c:   period_size  : 44100

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