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MediaPortal 1
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Watch / Listen Media
Television (MyTV frontend and TV-Server)
Error message wrong?? video found, no audio
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<blockquote data-quote="jonesdb" data-source="post: 490863" data-attributes="member: 64597"><p>I am using Clear QAM cable and have a problem with some program channels. These channels are shown in the TS stream as "Stream Type: 0x80 DC-II Video" (See Program 2 below) These channels are not encrypted. TVServer fails with "video was found, but audio was not found after 15 seconds" error message (see log excerpt below). VLC and my Sony DVR have no problem with these program channels, only an issue with MP. Looking at the MP code it looks to me that the issue is that the video stream type 0x80 is not supported and therefore the error message (although the message is misleading .. not actually an audio problem, but a video problem).</p><p>Has anyone looked at supporting the 0x80 DC-II Video stream type? As far as I can tell it should be supported the same way 0x02 MPEG-2 Video is supported as it is basically an MPEG-2 standard 4:2:0 stream with a long delay between I frames. Just as a quick test I was going to change some code to define the video 0x80 stream type identically to the 0x02 MPEG-2 Video, but so far I haven't been able to get MP to compile before making any modifications so no point in making any changes yet;-)</p><p></p><p>I think my compile problem is because I tried to use VC C++ 2008 Express. I'll work on those problems. Meanwhile, is anyone interested in trying to define 0x80 exactly as 0x02 as a quick trial or does anyone see a problem with this approach?</p><p></p><p>Program 2 does not tune. Program 12 does tune.</p><p>_______________________________________________________________________________________ </p><p>MP TV.log error when tuning to DC-II video stream shown as Program Number:2</p><p></p><p>2009-07-28 16:26:59.924250 [5]: Set video / audio observer</p><p>2009-07-28 16:26:59.924250 [5]: subch:0 SetTimeShiftFileName fill in pids</p><p>2009-07-28 16:26:59.939875 [5]: subch:0-0 tswriter StartTimeshifting...</p><p>2009-07-28 16:26:59.939875 [5]: card: WaitForTimeShiftFile - waiting _eventAudio & _eventVideo</p><p>2009-07-28 16:26:59.939875 [11]: PID seen - type = Audio</p><p>2009-07-28 16:26:59.939875 [11]: audioVideoEventHandler Audio</p><p>2009-07-28 16:27:14.939875 [5]: card: WaitForTimeShiftFile - video was found, but audio was not found after 15 seconds</p><p></p><p>_______________________________________________________________________________________</p><p></p><p>Program Number: 2</p><p>PCR on PID 2560 (0x0a00)</p><p>PMT Version: 12</p><p>Stream Type: 0x80 DC-II Video</p><p>Elementary Stream PID 2560 (0x0a00)</p><p>Stream Type: 0x81 AC-3 Audio</p><p> Elementary Stream PID 2561 (0x0a01)</p><p>Descriptor: CA Descriptor</p><p> CA System ID: 18249 (0x4749) General Instrument</p><p> CA PID 1081 (0x0439)</p><p>______________________________________________________________________________________</p><p></p><p>Program Number: 12</p><p>PCR on PID 2304 (0x0900)</p><p>PMT Version: 16</p><p>Stream Type: 0x02 MPEG-2 Video</p><p> Elementary Stream PID 2304 (0x0900)</p><p>Stream Type: 0x86 User Private</p><p> Elementary Stream PID 2305 (0x0901)</p><p>Stream Type: 0x81 AC-3 Audio</p><p> Elementary Stream PID 2306 (0x0902)</p><p>Stream Type: 0xc0 User Private</p><p> Elementary Stream PID 2307 (0x0903)</p></blockquote><p></p>
[QUOTE="jonesdb, post: 490863, member: 64597"] I am using Clear QAM cable and have a problem with some program channels. These channels are shown in the TS stream as "Stream Type: 0x80 DC-II Video" (See Program 2 below) These channels are not encrypted. TVServer fails with "video was found, but audio was not found after 15 seconds" error message (see log excerpt below). VLC and my Sony DVR have no problem with these program channels, only an issue with MP. Looking at the MP code it looks to me that the issue is that the video stream type 0x80 is not supported and therefore the error message (although the message is misleading .. not actually an audio problem, but a video problem). Has anyone looked at supporting the 0x80 DC-II Video stream type? As far as I can tell it should be supported the same way 0x02 MPEG-2 Video is supported as it is basically an MPEG-2 standard 4:2:0 stream with a long delay between I frames. Just as a quick test I was going to change some code to define the video 0x80 stream type identically to the 0x02 MPEG-2 Video, but so far I haven't been able to get MP to compile before making any modifications so no point in making any changes yet;-) I think my compile problem is because I tried to use VC C++ 2008 Express. I'll work on those problems. Meanwhile, is anyone interested in trying to define 0x80 exactly as 0x02 as a quick trial or does anyone see a problem with this approach? Program 2 does not tune. Program 12 does tune. _______________________________________________________________________________________ MP TV.log error when tuning to DC-II video stream shown as Program Number:2 2009-07-28 16:26:59.924250 [5]: Set video / audio observer 2009-07-28 16:26:59.924250 [5]: subch:0 SetTimeShiftFileName fill in pids 2009-07-28 16:26:59.939875 [5]: subch:0-0 tswriter StartTimeshifting... 2009-07-28 16:26:59.939875 [5]: card: WaitForTimeShiftFile - waiting _eventAudio & _eventVideo 2009-07-28 16:26:59.939875 [11]: PID seen - type = Audio 2009-07-28 16:26:59.939875 [11]: audioVideoEventHandler Audio 2009-07-28 16:27:14.939875 [5]: card: WaitForTimeShiftFile - video was found, but audio was not found after 15 seconds _______________________________________________________________________________________ Program Number: 2 PCR on PID 2560 (0x0a00) PMT Version: 12 Stream Type: 0x80 DC-II Video Elementary Stream PID 2560 (0x0a00) Stream Type: 0x81 AC-3 Audio Elementary Stream PID 2561 (0x0a01) Descriptor: CA Descriptor CA System ID: 18249 (0x4749) General Instrument CA PID 1081 (0x0439) ______________________________________________________________________________________ Program Number: 12 PCR on PID 2304 (0x0900) PMT Version: 16 Stream Type: 0x02 MPEG-2 Video Elementary Stream PID 2304 (0x0900) Stream Type: 0x86 User Private Elementary Stream PID 2305 (0x0901) Stream Type: 0x81 AC-3 Audio Elementary Stream PID 2306 (0x0902) Stream Type: 0xc0 User Private Elementary Stream PID 2307 (0x0903) [/QUOTE]
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