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Trouble Playing DVD
http://forums.linhes.org/viewtopic.php?f=21&t=24681
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Author:  Todd Zuercher [ Sun Sep 10, 2017 10:58 pm ]
Post subject:  Trouble Playing DVD

Help, most DVDs I have tried to play play fine. But a newer Disney DVD I just tried to play fails. When I try to start the DVD it opens to a normal menu for the DVD where you are to select a language option. When I select any of the options, the playback immediately stops and returns to the Mythtv optical disk menu.

Anyone recognize this problem or have a solution.

I had not tried to play very many DVDs through Mythtv before, always used a DVD player. When the player died I thought I'd give the optical drive in the DVR computer a try since it was already there. But the first disk I tried gave me this problem. (the kids were very disapointed.)

Author:  Todd Zuercher [ Tue Sep 12, 2017 9:18 pm ]
Post subject:  Re: Trouble Playing DVD

Here is what is shown in the mythfrontend log
Code:
2017-09-12T22:18:21.437894-04:00 mythfrontend[2790]: I CoreContext networkcontrol.cpp:332 (deleteClient) NetworkControl: Client Socket disconnected
2017-09-12T22:18:21.438041-04:00 mythfrontend[2790]: N CoreContext mythmainwindow.cpp:3024 (ExitStandby) Leaving standby mode
2017-09-12T22:18:21.438187-04:00 mythfrontend[2790]: N CoreContext mythmainwindow.cpp:2956 (PauseIdleTimer) Resuming idle timer
2017-09-12T22:19:11.434905-04:00 mythfrontend[2790]: N CoreContext mythmediamonitor.cpp:655 (JumpToMediaHandler) Found a handler for MEDIATYPE_DVD - 'MythDVD DVD Media Handler'
2017-09-12T22:19:20.990141-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:1092 (TV) TV::TV(): Creating TV object
2017-09-12T22:19:21.191049-04:00 mythfrontend[2790]: N CoreContext mythmainwindow.cpp:2951 (PauseIdleTimer) Suspending idle timer
2017-09-12T22:19:21.191254-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:1314 (Init) TV::Init(): Created TvPlayWindow.
2017-09-12T22:19:21.191459-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:2275 (HandleStateChange) TV::HandleStateChange(): Attempting to change from None to WatchingDVD
2017-09-12T22:19:21.391569-04:00 mythfrontend[2790]: I CoreContext DVD/dvdringbuffer.cpp:506 (OpenFile) DVDRB: Opened DVD device at //dev/sr0
2017-09-12T22:19:22.092713-04:00 mythfrontend[2790]: N CoreContext audioplayer.cpp:167 (ReinitAudio) AudioPlayer: Enabling Audio
2017-09-12T22:19:22.495606-04:00 mythfrontend[2790]: I CoreContext avformatdecoder.cpp:2615 (OpenAVCodec) AFD: Opened codec 0x555a9cf706e0, id(DVD_SUBTITLE) type(Subtitle)
2017-09-12T22:19:22.495812-04:00 mythfrontend[2790]: I CoreContext avformatdecoder.cpp:2615 (OpenAVCodec) AFD: Opened codec 0x555a9a7f3480, id(DVD_SUBTITLE) type(Subtitle)
2017-09-12T22:19:22.496142-04:00 mythfrontend[2790]: I CoreContext avformatdecoder.cpp:2113 (ScanStreams) AFD: codec AC3 has 2 channels
2017-09-12T22:19:22.496334-04:00 mythfrontend[2790]: I CoreContext avformatdecoder.cpp:2615 (OpenAVCodec) AFD: Opened codec 0x555a99c29aa0, id(AC3) type(Audio)
2017-09-12T22:19:22.496520-04:00 mythfrontend[2790]: I CoreContext avformatdecoder.cpp:2615 (OpenAVCodec) AFD: Opened codec 0x555a9cd27b60, id(MPEG2VIDEO) type(Video)
2017-09-12T22:19:22.496705-04:00 mythfrontend[2790]: W CoreContext ringbuffer.cpp:460 (CalcReadAheadThresh) Enabling buffering optimisations for low bitrate stream.
2017-09-12T22:19:22.496887-04:00 mythfrontend[2790]: W CoreContext ringbuffer.cpp:460 (CalcReadAheadThresh) Enabling buffering optimisations for low bitrate stream.
2017-09-12T22:19:22.596319-04:00 mythfrontend[2790]: I CoreContext audio/audiooutputbase.cpp:823 (Reconfigure) AOBase: Opening audio device 'hdmi:CARD=PCH,DEV=0' ch 2(2) sr 48000 sf signed 16 bit reenc 0
2017-09-12T22:19:23.601396-04:00 mythfrontend[2790]: E CoreContext audio/audiooutputalsa.cpp:915 (OpenMixer) ALSA: failed to register mixer device /dev/mixer: No such file or directory
2017-09-12T22:19:23.601600-04:00 mythfrontend[2790]: E CoreContext audio/audiooutputalsa.cpp:498 (OpenDevice) ALSA: Unable to open audio mixer. Volume control disabled
2017-09-12T22:19:23.601798-04:00 mythfrontend[2790]: I CoreContext DVD/dvdringbuffer.cpp:557 (StartFromBeginning) DVDRB: Resetting DVD device.
2017-09-12T22:19:23.804025-04:00 mythfrontend[2790]: I CoreContext signalhandling.cpp:194 (SetHandlerPrivate) Setup Interrupt handler
2017-09-12T22:19:23.804233-04:00 mythfrontend[2790]: I CoreContext signalhandling.cpp:194 (SetHandlerPrivate) Setup Terminated handler
2017-09-12T22:19:23.804483-04:00 mythfrontend[2790]: I CoreContext videoout_xv.cpp:617 (InitXVideo) VideoOutputXv: XVideo Adaptor Name: 'Intel(R) Textured Video'
2017-09-12T22:19:23.804728-04:00 mythfrontend[2790]: I CoreContext videooutbase.cpp:1969 (CalcHueBase) VideoOutput: CalcHueBase(Intel(R) Textured Video): Unknown adaptor, hue may be wrong.
2017-09-12T22:19:23.804976-04:00 mythfrontend[2790]: I CoreContext videooutbase.cpp:1971 (CalcHueBase) VideoOutput: Please open a ticket if you need to adjust the hue.
2017-09-12T22:19:23.805213-04:00 mythfrontend[2790]: I CoreContext osd.cpp:232 (OverrideUIScale) OSD: Base theme size: 1280x720
2017-09-12T22:19:23.805455-04:00 mythfrontend[2790]: I CoreContext osd.cpp:234 (OverrideUIScale) OSD: Scaling factors: 0.5625x0.666667
2017-09-12T22:19:23.905061-04:00 mythfrontend[2790]: I CoreContext osd.cpp:232 (OverrideUIScale) OSD: Base theme size: 1280x720
2017-09-12T22:19:23.905344-04:00 mythfrontend[2790]: I CoreContext osd.cpp:234 (OverrideUIScale) OSD: Scaling factors: 0.5625x0.666667
2017-09-12T22:19:24.005594-04:00 mythfrontend[2790]: I CoreContext mythplayer.cpp:1833 (InitAVSync) Player(9): Video timing method: DRM
2017-09-12T22:19:24.005926-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:5856 (StartPlayer) TV::StartPlayer(): Created player.
2017-09-12T22:19:24.006830-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:2532 (HandleStateChange) TV::HandleStateChange(): Changing from None to WatchingDVD
2017-09-12T22:19:24.007069-04:00 mythfrontend[2790]: W Decoder ringbuffer.cpp:460 (CalcReadAheadThresh) Enabling buffering optimisations for low bitrate stream.
2017-09-12T22:19:24.007236-04:00 mythfrontend[2790]: N Decoder audioplayer.cpp:167 (ReinitAudio) AudioPlayer: Enabling Audio
2017-09-12T22:19:24.007401-04:00 mythfrontend[2790]: W Decoder ringbuffer.cpp:460 (CalcReadAheadThresh) Enabling buffering optimisations for low bitrate stream.
2017-09-12T22:19:24.007565-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:2632 (HandleStateChange) TV::HandleStateChange(): Main UI disabled.
2017-09-12T22:19:24.007729-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:424 (StartTV) TV::StartTV(): Entering main playback loop.
2017-09-12T22:19:24.007913-04:00 mythfrontend[2790]: I CoreContext osd.cpp:232 (OverrideUIScale) OSD: Base theme size: 1280x720
2017-09-12T22:19:24.008545-04:00 mythfrontend[2790]: I CoreContext osd.cpp:234 (OverrideUIScale) OSD: Scaling factors: 0.5625x0.666667
2017-09-12T22:19:24.109443-04:00 mythfrontend[2790]: I Decoder avformatdecoder.cpp:2113 (ScanStreams) AFD: codec AC3 has 0 channels
2017-09-12T22:19:24.109609-04:00 mythfrontend[2790]: I Decoder avformatdecoder.cpp:2615 (OpenAVCodec) AFD: Opened codec 0x7ff9ec0453e0, id(AC3) type(Audio)
2017-09-12T22:19:24.110024-04:00 mythfrontend[2790]: W Decoder ringbuffer.cpp:460 (CalcReadAheadThresh) Enabling buffering optimisations for low bitrate stream.
2017-09-12T22:19:24.110313-04:00 mythfrontend[2790]: I CoreContext videooutbase.cpp:1492 (DisplayOSD) VideoOutput: Created YV12 OSD.
2017-09-12T22:19:24.110529-04:00 mythfrontend[2790]: I CoreContext osd.cpp:232 (OverrideUIScale) OSD: Base theme size: 1280x720
2017-09-12T22:19:24.110814-04:00 mythfrontend[2790]: I CoreContext osd.cpp:234 (OverrideUIScale) OSD: Scaling factors: 0.5625x0.666667
2017-09-12T22:19:32.023472-04:00 mythfrontend[2790]: W Decoder ringbuffer.cpp:460 (CalcReadAheadThresh) Enabling buffering optimisations for low bitrate stream.
2017-09-12T22:19:32.023873-04:00 mythfrontend[2790]: N Decoder audioplayer.cpp:167 (ReinitAudio) AudioPlayer: Enabling Audio
2017-09-12T22:19:32.024467-04:00 mythfrontend[2790]: N CoreContext mythplayer.cpp:2231 (PrebufferEnoughFrames) Player(9): Waited 115ms for video buffers AAAAAAAAAAAAAAAAAAAAAAAAAAAAaALP
2017-09-12T22:19:32.124181-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading from DVD.
2017-09-12T22:19:32.124567-04:00 mythfrontend[2790]: N CoreContext mythplayer.cpp:2231 (PrebufferEnoughFrames) Player(9): Waited 232ms for video buffers AAAAAAAAAAAAAAAAAAAAAAAAAAAAaALP
2017-09-12T22:19:32.124963-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading from DVD.
2017-09-12T22:19:32.224546-04:00 mythfrontend[2790]: N CoreContext mythplayer.cpp:2231 (PrebufferEnoughFrames) Player(9): Waited 349ms for video buffers AAAAAAAAAAAAAAAAAAAAAAAAAAAAaALP
2017-09-12T22:19:32.324970-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading from DVD.
2017-09-12T22:19:32.525414-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading from DVD.
2017-09-12T22:19:32.626197-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading from DVD.
2017-09-12T22:19:32.626590-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading NAV packet.
2017-09-12T22:19:32.627071-04:00 mythfrontend[2790]: E Decoder avformatdecoder.cpp:4961 (GetFrame) decoding error#012#011#011#011eno: Unknown error 541478725 (541478725)
2017-09-12T22:19:33.227243-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading NAV packet.
2017-09-12T22:19:33.328177-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading NAV packet.
2017-09-12T22:19:33.328379-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading NAV packet.
2017-09-12T22:19:33.328575-04:00 mythfrontend[2790]: E Decoder avformatdecoder.cpp:4961 (GetFrame) decoding error#012#011#011#011eno: Unknown error 541478725 (541478725)
2017-09-12T22:19:33.429067-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:2275 (HandleStateChange) TV::HandleStateChange(): Attempting to change from WatchingDVD to None
2017-09-12T22:19:33.429449-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading NAV packet.
2017-09-12T22:19:33.429748-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading NAV packet.
2017-09-12T22:19:33.530753-04:00 mythfrontend[2790]: W CoreContext mythplayer.cpp:3272 (PauseDecoder) Player(9): Waited 100ms for decoder to pause
2017-09-12T22:19:33.530955-04:00 mythfrontend[2790]: E Decoder DVD/dvdringbuffer.cpp:757 (safe_read) DVDRB: Failed to read block: Error reading NAV packet.
2017-09-12T22:19:33.531146-04:00 mythfrontend[2790]: E Decoder avformatdecoder.cpp:4961 (GetFrame) decoding error#012#011#011#011eno: Unknown error 541478725 (541478725)
2017-09-12T22:19:33.531337-04:00 mythfrontend[2790]: I CoreContext signalhandling.cpp:194 (SetHandlerPrivate) Setup Interrupt handler
2017-09-12T22:19:33.531575-04:00 mythfrontend[2790]: I CoreContext signalhandling.cpp:194 (SetHandlerPrivate) Setup Terminated handler
2017-09-12T22:19:34.032414-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:2532 (HandleStateChange) TV::HandleStateChange(): Changing from WatchingDVD to None
2017-09-12T22:19:34.032614-04:00 mythfrontend[2790]: I CoreContext tv_play.cpp:426 (StartTV) TV::StartTV(): Exiting main playback loop.
2017-09-12T22:19:34.233238-04:00 mythfrontend[2790]: N CoreContext mythmainwindow.cpp:2956 (PauseIdleTimer) Resuming idle timer

Author:  Todd Zuercher [ Sun Sep 17, 2017 3:16 pm ]
Post subject:  Re: Trouble Playing DVD

I figured it out then. Under Linhes Settings/Programs on the second page of that configuration screen checking the option for dvdcss seems to have corrected my problems.

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