| Friday, January 31st, 2020, 00:00 UTC | ||
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| [00:01:34] | gigem: | markk_: I'll try removing them for my own viewing tonight. |
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| [00:52:18] | markspieth: | markk_: fftw lib is now in android build. when you use it, add a line to mythfrontend.pro so it gets installed |
| [03:19:29] | gigem: | mark_: I've been running with the lines you mentioned and my change both commented out. So far so good. |
| [05:07:55] | gigem: | mark_: I found a new problem tonight. When using mediacodec decode and rendering, the video doesn't update during fast-forward/rewind. It works fine with mediacodec decode-only which is what I've mostly used when using mediacodec. |
| [05:57:36] | markspieth: | marrk_: with mediacodec and 1080i material the change timestretch you get a massive delay before it continues playing. |
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| [09:00:23] | stuarta: | hmm, dekarl has definitely disappeared. his email address just got removed from the -dev mailing list due to being disabled (ie. no longer works) |
| [09:00:46] | stuarta: | !seen dekarl |
| [09:00:46] | MythLogBot: | dekarl was last seen 636 days 22 hours 14 minutes 11 seconds ago |
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| [10:11:48] | markk_: | gigem: hrm – I can imagine fast forward might cause problems! not something I do very often. I'll have a look but I'm pretty sure that will require some unpleasant surgery in avformatdecoder. |
| [10:12:28] | markk_: | peterbennett: can you shed some light on what these 2 lines are doing in the new av sync code: https://github.com/MythTV/mythtv/blob/master/ . . . er.cpp#L1629 |
| [10:12:32] | stuarta: | that's how i get through add breaks |
| [10:12:56] | markk_: | more than a little concerned that resetting the framesPlayed is causing a few problems |
| [10:14:20] | markk_: | warpme_: so I've pushed 2 improvements for v4l2_m2m and EGL DMA BUF. v4l2 now passes through the interlacing flags. Does not work on the Pi as they the kernel driver does not set them at all but looking at the meson code- they do it properly. |
| [10:15:29] | markk_: | re DMA BUF – there is now a seemless fallback to use seperate textures for each YUV plane if the driver errors trying to create a single RGB texture. Assuming the mali450 implements it, you should be good to go. |
| [10:16:17] | markk_: | not however that the example code posted only shows an implementation using a YUYV frame – which has only one plane – so no guarantees. |
| [10:30:38] | markk_: | stuarta: I just skip in 1 minute intervals:) |
| [10:36:57] | stuarta: | actually that's what i do |
| [10:37:11] | stuarta: | but often run at 1.25x timestretch |
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| [13:26:53] | peterbennett: | markk_: Those two lines are part of an effort to get the elapsed time and frame count in sync. |
| [13:29:03] | peterbennett: | markk_: There were a bunch of changes in the same commit related to that. Whenever a jump is done it calculates where to jump to based on frame count, but ffmpeg wants elapsed time for that. These two would drift apart over time. |
| [13:29:27] | peterbennett: | markk_: Some reports were that the show would end 10 minutes early. |
| [13:30:55] | peterbennett: | markk_: somebody was watching a show speeded up and 10 minutes before the end, the progress bar thought it was at the end and went back to 1x speed. I think it was gigem reported that. |
| [13:31:58] | peterbennett: | markk_: Other thing was jump forward or back would go haywire if you had been watching uninterrupted for some time, i.e. jump forward may actually go back or vice versa. |
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| [13:37:23] | peterbennett: | markk_: I would rather have changed the player to use playback time throughout and get rid of framecount but that would have been a great many changes. |
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| [13:53:44] | peterbennett: | markk_: see #13416 and commit 6a5fb07fa1 |
| [13:53:44] | ** MythLogBot https://code.mythtv.org/trac/ticket/13416 ** | |
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| [16:27:28] | gigem: | peterbennett: I remember that problem. As mentioned last night, I had no problems with those two lines and my live TV hack commented out. As I recall, my PBS channel was one that exhibited the flaky jump/premature-end problem. I'll try to watch an episode of Nova with the commented out code. |
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| [17:13:03] | peterbennett: | gigem: Just commenting those two but leaving the rest of the time stamp patches may cause problems. |
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| [17:43:17] | gigem: | peterbennett: No problems so far but I'm keeping my out for any. As already noted, keeping those lines definitely does cause a serious problem with live TV. See commit 4fdfad9a. |
| [18:15:20] | warpme_: | markk_: is current master expecting GLES from Qt (and if Qt provides only DesktopGL – then myth will fail with hw. GL and go with LLVM sw. GL). In other words: is GLES from Qt an mandatory req. now? (beside MYTHTV_NO_EGL=1 trick to go with DesktopGL Qt systems). |
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| [18:57:09] | markk_: | warpme_: I'm not sure I understand. GLES is not required for myth. Nor is EGL. and remember that EGL isn't just for GLES – works with desktop GL as well. |
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| [19:38:15] | warpme_: | markk_: ah I wasn't clear enough as Im speaking Qt config language. sorry. generally: in Qt config I can specify GL type Qt will provide. Choice is mutual exclusive: a\GLES or b\Desktop OpenGL. For x86_64 i'm building Qt for desktop OpenGL. For aarch64/armv7 I'm building Qt for GLES. Recent master on nvidia ION2 fails to run GL (it switches to LLVM), but works OK for aarch64 (GLES) – hence I jump the gun a bit with Q |
| [19:38:15] | warpme_: | about OpenGL req..... |
| [19:40:12] | warpme_: | i suspect ion2 issue is probably related to what/how nvidia blob is installed in system.... |
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| [20:45:13] | markk_: | markspieth: sorry – completely missed your msg re fftw. thanks for that. |
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| [20:46:20] | markk_: | peterbennett: I remember now asking about the framesPlayed stuff before:) I need to spend some time looking at it. It worrries me for reasons I don't really understand! |
| [20:48:46] | markk_: | warpme_: 99% of our code doesn't care whether we have OpenGL or OpenGL ES. That is the main point of QOpenGLContext. |
| [20:50:37] | markk_: | warpme_: re nvidia ion2 – that is the the same ticket I pointed out the other day. #13538 |
| [20:50:37] | ** MythLogBot https://code.mythtv.org/trac/ticket/13538 ** | |
| [20:51:13] | markk_: | at least it sounds like the same issue |
| [20:52:21] | markk_: | though also sounds like it is about to become irrelevant... |
| [20:52:23] | markk_: | https://www.phoronix.com/scan.php?page=news_i . . . es-G8x-GT2xx |
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