Openmoko Bug #1656: Bad A2DP performance
Openmoko Public Trac
bugs at docs.openmoko.org
Wed Jul 23 02:15:49 CEST 2008
#1656: Bad A2DP performance
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Reporter: Mercury | Owner: openmoko-devel
Type: defect | Status: new
Priority: normal | Milestone:
Component: unknown | Version:
Severity: normal | Resolution:
Keywords: | Blocking:
Blockedby: |
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Comment(by Mercury):
l2ping looked like this when I tried playing at 44100Hz sound sample rate:
root at lisa:/# l2ping 00:15:0E:A0:63:5A
Ping: 00:15:0E:A0:63:5A from 00:06:6E:17:24:C5 (data size 44) ...
4 bytes from 00:15:0E:A0:63:5A id 0 time 16.62ms
4 bytes from 00:15:0E:A0:63:5A id 1 time 34.33ms
4 bytes from 00:15:0E:A0:63:5A id 2 time 31.22ms
4 bytes from 00:15:0E:A0:63:5A id 3 time 41.30ms
4 bytes from 00:15:0E:A0:63:5A id 4 time 46.31ms
4 bytes from 00:15:0E:A0:63:5A id 5 time 26.58ms
4 bytes from 00:15:0E:A0:63:5A id 6 time 26.49ms
4 bytes from 00:15:0E:A0:63:5A id 7 time 29.40ms
4 bytes from 00:15:0E:A0:63:5A id 8 time 30.37ms
4 bytes from 00:15:0E:A0:63:5A id 9 time 36.55ms
4 bytes from 00:15:0E:A0:63:5A id 10 time 33.41ms
4 bytes from 00:15:0E:A0:63:5A id 11 time 35.38ms
4 bytes from 00:15:0E:A0:63:5A id 12 time 33.41ms
4 bytes from 00:15:0E:A0:63:5A id 13 time 32.40ms
4 bytes from 00:15:0E:A0:63:5A id 14 time 40.53ms
4 bytes from 00:15:0E:A0:63:5A id 15 time 45.44ms
4 bytes from 00:15:0E:A0:63:5A id 16 time 197.87ms
no response from 00:15:0E:A0:63:5A: id 17
no response from 00:15:0E:A0:63:5A: id 18
no response from 00:15:0E:A0:63:5A: id 19
no response from 00:15:0E:A0:63:5A: id 20
no response from 00:15:0E:A0:63:5A: id 21
no response from 00:15:0E:A0:63:5A: id 22
no response from 00:15:0E:A0:63:5A: id 23
no response from 00:15:0E:A0:63:5A: id 24
no response from 00:15:0E:A0:63:5A: id 25
4 bytes from 00:15:0E:A0:63:5A id 26 time 3809.00ms
4 bytes from 00:15:0E:A0:63:5A id 27 time 37.09ms
4 bytes from 00:15:0E:A0:63:5A id 28 time 34.14ms
4 bytes from 00:15:0E:A0:63:5A id 29 time 35.09ms
4 bytes from 00:15:0E:A0:63:5A id 30 time 36.10ms
And it looked like this when I tried it at 16000Hz
root at lisa:/# l2ping 00:15:0E:A0:63:5A
Ping: 00:15:0E:A0:63:5A from 00:06:6E:17:24:C5 (data size 44) ...
4 bytes from 00:15:0E:A0:63:5A id 0 time 10.78ms
4 bytes from 00:15:0E:A0:63:5A id 1 time 30.08ms
4 bytes from 00:15:0E:A0:63:5A id 2 time 34.22ms
4 bytes from 00:15:0E:A0:63:5A id 3 time 41.09ms
4 bytes from 00:15:0E:A0:63:5A id 4 time 27.22ms
4 bytes from 00:15:0E:A0:63:5A id 5 time 80.34ms
4 bytes from 00:15:0E:A0:63:5A id 6 time 10.36ms
no response from 00:15:0E:A0:63:5A: id 7
4 bytes from 00:15:0E:A0:63:5A id 8 time 10060.39ms
4 bytes from 00:15:0E:A0:63:5A id 9 time 2219.70ms
4 bytes from 00:15:0E:A0:63:5A id 10 time 28.56ms
4 bytes from 00:15:0E:A0:63:5A id 11 time 33.69ms
4 bytes from 00:15:0E:A0:63:5A id 12 time 34.57ms
4 bytes from 00:15:0E:A0:63:5A id 13 time 28.71ms
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/1656#comment:1>
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