Opened 18 years ago
Closed 18 years ago
Last modified 18 years ago
#2085 closed defect (fixed)
Changing channels unreliable on cable (QAM)
Reported by: | Owned by: | danielk | |
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Priority: | minor | Milestone: | 0.21 |
Component: | mythtv | Version: | head |
Severity: | medium | Keywords: | |
Cc: | Ticket locked: | no |
Description
When changing channels on a system set up for QAM cable on a PCHDTV 5500, I would often either get failure or the wrong channel (right frequency, wrong program ID). I traced this to the cached PMT/PAT from the old channel being used to select the PID for the new channel. Attached is a suggested fix, though I am not sure this is the best way to fix it.
Attachments (4)
Change History (12)
comment:1 Changed 18 years ago by
Milestone: | → 0.21 |
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Owner: | changed from Isaac Richards to danielk |
Version: | → head |
comment:2 Changed 18 years ago by
Resolution: | → invalid |
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Status: | new → closed |
comment:3 Changed 18 years ago by
Resolution: | invalid |
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Status: | closed → reopened |
I have attached requested logs. Both logs show changing the channel from channel number 240 (WHYY-DT, channel 119, serviceid 1) to channel number 246 (WPVI-DT3, channel 118, serviceid 4).
In the log with reset, it changed channels properly.
In the log without reset, it changed instead to channel 118, serviceid 1 (WPVI-DT).
comment:4 Changed 18 years ago by
mrussotto, can you try the attached patch and tell me if it fixes the problem for you?
comment:5 Changed 18 years ago by
Resolution: | → fixed |
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Status: | reopened → closed |
I'm going to need "mythbackend -v record,channel,siparser" logs from changing from one channel to another with this problem. The reset in your patch should not be needed, and it would break quick channel changing for everyone else...