[mythtv] State of Firewire

Mitch Gore mitchell.gore at gmail.com
Tue Jun 23 15:33:34 UTC 2009



> Patch may fix that, because there's definitely no PAT which is what Myth is
> waiting for.  I can't say it will fix it for sure without seeing hex dumps
> of a bunch of packets, and I'm not even sure I'd be able to see for sure
> then, because I wrote this patch like 2 years ago.
>
> What the patch actually does is looks at every TS packet coming in and
> finds a sync byte indicating the start of a PES packet, which contains the
> type of stream in the PID.  If the stream type is an audio or video type, it
> save the PID and once it gets both it creates a PAT and PMT with the
> information and injects it into the stream which Myth finds and "locks" and
> carries on.  After Myth locks, no further packets are inspected.  I am
> relatively certain that this procedure will work for you, assuming the file
> you capture in test-mpeg2 plays in mplayer, because it just plays the first
> 2 streams it finds.
>
> So if you don't understand the technical aspect of what I said, the answer
> is "It almost certainly will work".  :)
>

Well I applyed the patch and compiled mythtv.  Good new, it compiled, bad
news, not any difference in functionality.

Here is the log:
mythbackend -v record,playback,channel
~~~CUT~~~
2009-06-23 10:29:49.954 TVRec(10): StartRecording(Delirious)
2009-06-23 10:29:49.955 TVRec(10): ASK_RECORDING 10 0 0 0
2009-06-23 10:29:50.200 TVRec(10): StartedRecording(0xb0f0a870)
fn(/tv/d1/4552_20090623103000.mpg)
2009-06-23 10:29:50.200 TVRec(10): ClearFlags(CancelNextRecording,) ->
RunMainLoop,
2009-06-23 10:29:50.200 TVRec(10): Changing from None to Watching
RecordingOnly
2009-06-23 10:29:50.200 TVRec(10):
ClearFlags(FrontendReady,CancelNextRecording,) -> RunMainLoop,
2009-06-23 10:29:50.200 TVRec(10): Request: Program(yes) channel() input()
flags(Recording,)
2009-06-23 10:29:50.202 TVRec(10): HW Tuner: 10->10
2009-06-23 10:29:50.202 TVRec(10): ClearFlags(PENDINGACTIONS,) ->
RunMainLoop,
2009-06-23 10:29:50.202 TVRec(10): No recorder yet, calling TuningFrequency
2009-06-23 10:29:50.202 FireChan(0022CECC76B00000): Open()
2009-06-23 10:29:50.204 FireChan(0022CECC76B00000): SetChannelByString(552)
2009-06-23 10:29:50.207 External channel change: sa8300_ch 552
2009-06-23 10:29:50.211 Waiting for External Tuning program to exit
Changing channel 552
2009-06-23 10:29:50.242 ret_pid(1660) child(1660) status(0x0)
2009-06-23 10:29:50.242 External Tuning program no longer running
2009-06-23 10:29:50.242 External Tuning program exited with no error
2009-06-23 10:29:50.242 FireChan(0022CECC76B00000): SetChannelByString(552)
success
2009-06-23 10:29:50.242 TVRec(10): Starting Signal Monitor
2009-06-23 10:29:50.242 TVRec(10): SetupSignalMonitor(1, 0)
2009-06-23 10:29:50.242 FireChan(0022CECC76B00000): Open()
2009-06-23 10:29:50.242 FireSM(0022CECC76B00000): ctor
2009-06-23 10:29:50.242 SM(0022CECC76B00000)::AddFlags: Seen() Match()
Wait(Sig,)
2009-06-23 10:29:50.242 FireDev(0022CECC76B00000): Requesting STB Power
State
2009-06-23 10:29:50.244 FireDev(0022CECC76B00000): STB Power State: On
2009-06-23 10:29:50.244 TVRec(10): Signal monitor successfully created
2009-06-23 10:29:50.244 TVRec(10): Setting up table monitoring.
2009-06-23 10:29:50.247 Using profile 'Live TV' to record
2009-06-23 10:29:50.247 TVRec(10): MPEG program number: 1
2009-06-23 10:29:50.248 DTVSM(0022CECC76B00000)::SetProgramNumber(1):
2009-06-23 10:29:50.248 SM(0022CECC76B00000)::RemoveFlags: Seen(PMT,Crypt,)
Match(PMT,Crypt,) Wait()
2009-06-23 10:29:50.248 SM(0022CECC76B00000)::AddFlags: Seen() Match()
Wait(PMT,)
2009-06-23 10:29:50.248 SM(0022CECC76B00000)::AddFlags: Seen() Match()
Wait(PAT,PMT,Pos,)
2009-06-23 10:29:50.248 TVRec(10): Successfully set up MPEG table
monitoring.
2009-06-23 10:29:50.248 SM(0022CECC76B00000)::Start: begin
2009-06-23 10:29:50.248 FireDev(0022CECC76B00000): Requesting STB Power
State
2009-06-23 10:29:50.248 SM(0022CECC76B00000)::Start: end
2009-06-23 10:29:50.248 TVRec(10): SetFlags(SignalMonitorRunning,) ->
RunMainLoop,SignalMonitorRunning,
2009-06-23 10:29:50.248 TVRec(10): ClearFlags(WaitingForSignal,) ->
RunMainLoop,SignalMonitorRunning,
2009-06-23 10:29:50.248 TVRec(10): SetFlags(WaitingForSignal,) ->
RunMainLoop,WaitingForSignal,SignalMonitorRunning,
2009-06-23 10:29:50.248 TVRec(10): ClearFlags(NeedToStartRecorder,) ->
RunMainLoop,WaitingForSignal,SignalMonitorRunning,
2009-06-23 10:29:50.248 TVRec(10): SetFlags(NeedToStartRecorder,) ->
RunMainLoop,WaitingForSignal,NeedToStartRecorder,SignalMonitorRunning,
2009-06-23 10:29:50.250 FireDev(0022CECC76B00000): STB Power State: On
2009-06-23 10:29:50.250 SM(0022CECC76B00000)::AddFlags: Seen(STB,)
Match(STB,) Wait()
2009-06-23 10:29:50.250 FireSM(0022CECC76B00000): RunTableMonitor(): --
begin
2009-06-23 10:29:50.250 LFireDev(0022CECC76B00000): Starting Port Handler
Thread
2009-06-23 10:29:50.250 LFireDev(0022CECC76B00000): Starting Port Handler
Thread -- locked
2009-06-23 10:29:50.250 LFireDev(0022CECC76B00000): OpenPort()
2009-06-23 10:29:50.250 FireSM(0022CECC76B00000): UpdateValues() -- Waiting
for table monitor to start
2009-06-23 10:29:50.250 FireSM(0022CECC76B00000): UpdateValues() -- Table
monitor started
2009-06-23 10:29:50.251 LFireDev(0022CECC76B00000): OpenPort() -- got lock
2009-06-23 10:29:50.251 FireDev(0022CECC76B00000): AddListener() 1
2009-06-23 10:29:50.251 LFireDev(0022CECC76B00000): Opening P2P connection
libiec61883 warning: Overlayed connection on channel 1.
You may need to manually set the channel on the receiving node.
2009-06-23 10:29:50.259 LFireDev(0022CECC76B00000): OpenAVStream
2009-06-23 10:29:50.259 LFireDev(0022CECC76B00000): Opening A/V stream
object
2009-06-23 10:29:50.259 LFireDev(0022CECC76B00000): Buffered packets 2000
(8000 KB)
2009-06-23 10:29:50.259 LFireDev(0022CECC76B00000): Starting A/V streaming
-- really
2009-06-23 10:29:50.266 LFireDev(0022CECC76B00000): Starting A/V streaming
-- done
2009-06-23 10:29:50.267 LFireDev(0022CECC76B00000), Error: Dropped 349831168
TS packets
2009-06-23 10:29:50.278 AutoExpire: CalcParams(): Max required Free Space:
3.0 GB w/freq: 15 min
2009-06-23 10:29:50.279 Started recording: Delirious: channel 4552 on cardid
10, sourceid 4
2009-06-23 10:29:50.281 scheduler: Started recording: Delirious: channel
4552 on cardid 10, sourceid 4

So where do i go from here?
-- 
Mitchell
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