Changes

Plextor ConvertX PX-M402U

175 bytes added, 22:22, 25 March 2021
/* testing audio input */
The following lines were added (+) and removed (-):
The device was recognized in [[Mythubuntu]] immediately upon connection.  The output of lsusb shows the device as:The device was recognized in [[Mythbuntu]] immediately upon connection.  The output of lsusb shows the device as:* hw:0,0 - The system sound device / ALSA device* hw:0,0 - The system sound device / [[ALSA]] deviceProblem:  Video in mplayer but no audioProblem:  Video in [[mplayer]] but no audioSo that should work, right?  It didn't at first.  See the (partial) mplayer error output:So that should work, right?  It didn't at first.  See the (partial) [[mplayer]] error output:The problem was caused by PulseAudio tieing up the resource (ConvertX audio) so it appeared busy to mplayer.  I don't know why this bothers mplayer and not vlc.  vlc doesn't seem to care.  Anyway, the solution:The problem was caused by PulseAudio tieing up the resource (ConvertX audio) so it appeared busy to [[mplayer]].  I don't know why this bothers mplayer and not vlc.  vlc doesn't seem to care.  Anyway, the solution:We made it so there was audio and video using VLC.  However, many other apps have trouble. mplayer command line parameters are more tricky than vlc.   We made it so there was audio and video using VLC.  However, many other apps have trouble. [[mplayer]] command line parameters are more tricky than vlc.   Ugly Hack Warning: ''There is latency when using the "hard wire" or "binding" hack.  You might notice that sound lags behind the video depending on your hardware and system processing power.  It is better to use the method described in the VLC section where you can tell the software which input device to use for sound. This was easy with VLC.  It is not easy other software.  I couldn't get it to work in mplayer without using this hack.''Ugly Hack Warning: ''There is latency when using the "hard wire" or "binding" hack.  You might notice that sound lags behind the video depending on your hardware and system processing power.  It is better to use the method described in the VLC section where you can tell the software which input device to use for sound.With the capture device working having both audio and video using [[mplayer]] then MythTV should be able to fully use the capture device.  It is just a matter of a proper configuration of MythTV back-end settings.<big><big>coming soon...</big></big>{{:Template:Sparse Entry}}
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