[pulseaudio-tickets] [PulseAudio] #495: Output to an RAOP sink skips

PulseAudio trac-noreply at tango.0pointer.de
Thu Dec 2 04:49:21 PST 2010


#495: Output to an RAOP sink skips
--------------------------+-------------------------------------------------
  Reporter:  clconway     |       Owner:  coling               
      Type:  enhancement  |      Status:  new                  
 Milestone:               |   Component:  module-raop-*        
Resolution:               |    Keywords:  module-raop-sink skip
--------------------------+-------------------------------------------------

Comment(by fdemmer):

 using a new AEX with FW 7.4.2 I can confirm the weird address
 announcement. I have wifi disabled and Ethernet set to DHCP (gets a
 192.168.x.x address assigned), but sometimes 169.254.213.192 is announced
 (also a IPv6 address is always included in the announce!)

 I traced during discovery and also found this...

 the ANNOUNCE contained:

 {{{
 v=0
 o=iTunes 2266047237 0 IN IP4 192.168.10.100
 s=iTunes
 c=IN IP4 192.168.10.4
 t=0 0
 m=audio 0 RTP/AVP 96
 a=rtpmap:96 AppleLossless
 a=fmtp:96 4096 0 16 40 10 14 2 255 0 0 44100
 }}}

 and was answered with OK. Then...

 {{{
 SETUP rtsp://192.168.10.100/2266047237 RTSP/1.0
 CSeq: 2
 Transport: RTP/AVP/TCP;unicast;interleaved=0-1;mode=record
 User-Agent: iTunes/4.6 (Macintosh; U; PPC Mac OS X 10.3)
 Client-Instance: 5d8eb6e47666307d
 }}}
 {{{
 RTSP/1.0 453 Not Enough Bandwidth
 Server: AirTunes/101.9
 CSeq: 2
 }}}

 Anyone else getting that? Is it new in 7.4.2? (I tried, but failed to
 downgrade my AEX, yet.)

 Playback works after that nevertheless.

 There is some cracking in the sound though. These are not really rhythmic
 skips; more constant crackling like bad reception. It varies a lot using
 different players (totem pretty good, mplayer ok, vlc very bad). I could
 fix this very easily by reducing the volume of the application in the
 "Sound Preferences". (~99% were enough for totem, vlc needed around 95%,
 ...)

-- 
Ticket URL: <http://pulseaudio.org/ticket/495#comment:25>
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