noreply at mythtv
May 5, 2012, 3:06 AM
Post #1 of 3
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Ticket #10693: Fix passthrough case of mythtrancode running in fifo mode
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#10693: Fix passthrough case of mythtrancode running in fifo mode
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Reporter: mythtv@… | Type: Patch - Bug Fix
Status: new | Priority: minor
Milestone: unknown | Component: MythTV - Mythtranscode
Version: 0.25-fixes | Severity: medium
Keywords: | Ticket locked: 0
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See pull request: https://github.com/MythTV/mythtv/pull/20
The new version of AudioRencodeBuffer requires the assumption that buflen
== frames * byte_per_frame, which isn't true in passthrough mode, since
the data is compressed. I've updated the code so that, at least in the
case that m_audioFrameSize == 0, the number of frames is recorded
separately from the buffer length, and used in further calculations. That
fixes the fifo-mode case. Possibly other passthrough cases could be
handled by changing the condition on which frames are used, but I don't
understand enough of the surrounding code to be sure.
I've also simplified AudioReencodeBuffer::addData. Now data is always
placed in saveBuffer before moving to the buffer list. That simplifies the
algorithm a lot without any loss in efficiency.
Lastly I've changed one of the calls to cutter where 1 was being passed
rather than the number of frames.
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Ticket URL: <http://code.mythtv.org/trac/ticket/10693>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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