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MediaPortal 1
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Audio Delay Option stuttering issue
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<blockquote data-quote="Eggert" data-source="post: 1091116" data-attributes="member: 12953"><p>Hi,</p><p></p><p>I just upgraded from MP 1.6.0 to MP 1.8.0 and use the LAV audio codecs.</p><p></p><p>Since my Sony TV has a <u>huge</u> video lag, I need to calm down my AV receiver.</p><p>I need an audio delay of round about 100ms. When I set the delay higher than ~40ms, every 400th frame there is a small stop (only a few ms) of the stream and the counter of the frames starts again (checked when using keystroke "CTRL-1" when watching TV in Mediaportal).</p><p>Seems to be like a buffer is getting full and has to get resetted or something like that.</p><p></p><p>I had this issue since MP 1.3.0 where I first experimented with the audio delay option.</p><p>There I could manage to get a delay up to 70ms, but above this issue appeared.</p><p>With MP 1.8.0 this option is even more sensitive as described above.</p><p></p><p>I first thought this is a bug within the LAV codec but the developer said:</p><p>"LAV only adjusts the audio timestamps when you apply a delay, not more. If something causes issues here, its not LAV.</p><p>It works with any audio [means stereo or 5.1], and in theory any delay."</p><p>This is why I posted here and not in the codec section.</p><p></p><p>In the attachment you can find a TsReader.log and I think you can see the issue there, maybe for example here:</p><p>"Pause 195 mS renderer clock to match provider/RTSP clock, A/V = 2/14"</p><p></p><p>Any help is highly appreciated since I cannot live with audio and video being out of sync. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p>If someone could verify this by setting the audio delay to 200ms and describes what happens, that would be nice.</p><p></p><p>Thanks!</p><p>Regards,</p><p>Eggert</p></blockquote><p></p>
[QUOTE="Eggert, post: 1091116, member: 12953"] Hi, I just upgraded from MP 1.6.0 to MP 1.8.0 and use the LAV audio codecs. Since my Sony TV has a [U]huge[/U] video lag, I need to calm down my AV receiver. I need an audio delay of round about 100ms. When I set the delay higher than ~40ms, every 400th frame there is a small stop (only a few ms) of the stream and the counter of the frames starts again (checked when using keystroke "CTRL-1" when watching TV in Mediaportal). Seems to be like a buffer is getting full and has to get resetted or something like that. I had this issue since MP 1.3.0 where I first experimented with the audio delay option. There I could manage to get a delay up to 70ms, but above this issue appeared. With MP 1.8.0 this option is even more sensitive as described above. I first thought this is a bug within the LAV codec but the developer said: "LAV only adjusts the audio timestamps when you apply a delay, not more. If something causes issues here, its not LAV. It works with any audio [means stereo or 5.1], and in theory any delay." This is why I posted here and not in the codec section. In the attachment you can find a TsReader.log and I think you can see the issue there, maybe for example here: "Pause 195 mS renderer clock to match provider/RTSP clock, A/V = 2/14" Any help is highly appreciated since I cannot live with audio and video being out of sync. :-) If someone could verify this by setting the audio delay to 200ms and describes what happens, that would be nice. Thanks! Regards, Eggert [/QUOTE]
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Audio Delay Option stuttering issue
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