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9th December 2017, 15:04 | #22341 | Link | |
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Quote:
I have dealt with MXF files where you had 8 audio tracks and first two of them were used for stereo, as well as MXF files where the track had 8 channels (or 6) of audio, of which only first two were actually to be actively utilized for mixing.
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9th December 2017, 19:15 | #22342 | Link |
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nev, is there something special about VP9 decoding on certain CPUs?
Decoding YT 4k 60fps VP9 video on a Haswell CPU shows very high CPU usage, while it is much lower with mpv. Oddly, there is also such a difference between browsers. Like with mpv, CPU usage in Firefox is quite low, while it is much higher in Chrome and Edge. This is only the case here with Haswell (4770k), with Skylake (6700k) the differences are much smaller. |
9th December 2017, 22:33 | #22343 | Link |
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How does LAV Audio manage to send a Dolby or DTS signal when the audio renderer isn't set to allow bitstreaming?
I recently set up a new pre-processor and was disappointed with how long it took to lock onto a Dolby or DTS signal (seeking would result in a silence of three to four seconds) but did not realize until today that "allow bitstreaming" was unchecked in my audio renderer's (MPC-HC Internal Audio Renderer) settings. Doing so allowed my pre-processor to lock onto the bitstream almost instantly and there is no more silence when I seek to different positions, but I am still curious why I didn't just get silence when that option was unchecked. |
10th December 2017, 16:36 | #22344 | Link | |
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Quote:
Someone told me Firefox now used hybrid VP9 decoding on their system (Sandy Bridge + Radeon 290), maybe mpv is doing the same?
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13th December 2017, 19:56 | #22345 | Link | |
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Quote:
No magic involved, just plain decoding ! |
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15th December 2017, 14:47 | #22346 | Link |
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Intel specific DXVA mode for VP9:
https://forum.doom9.org/showthread.php?p=1827194 Might be worthwhile to add? |
15th December 2017, 14:59 | #22347 | Link |
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If it has a specific mode, that usually means it also doesn't work like the normal mode.
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LAV Filters - open source ffmpeg based media splitter and decoders |
15th December 2017, 18:36 | #22348 | Link | |
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Quote:
hwdec=no in mpv also doesn't allow any doubts. |
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15th December 2017, 22:55 | #22349 | Link |
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Note that I specified hybrid decoding, I know Hawaii's fixed-function decoder can't do VP9.
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17th December 2017, 13:35 | #22351 | Link |
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You are once again the wrong thread. Also, you should really learn some patience.
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LAV Filters - open source ffmpeg based media splitter and decoders |
17th December 2017, 16:36 | #22352 | Link |
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I'd like to get some help updating the LAV filters in MPC-hc (latest stable build) to the latest nightly build LAV filter. I install the nightly build just fine, but when I play a movie in MPC-hc it still shows 70.2.1 version in the system tray for splitter, audio and video filters. Any help please?
Side question: should my output range for my limited RGB TV set to TV output in Lav Video Settings if I use madVR and have it set to TV range in there already? Last edited by senseipiledrive2; 17th December 2017 at 16:43. |
17th December 2017, 16:38 | #22353 | Link |
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It's probably using the built-in LAV filters. Easiest is to simply delete the LAV Filters sub-folder from the MPC-HC folder. As a bonus you can go to the "External Filters" options and add all LAV Filters (Video, Audio, Splitter (Source)) and set them to preferred.
Last edited by sneaker_ger; 17th December 2017 at 23:54. |
17th December 2017, 18:15 | #22354 | Link | |
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@nev:
MKVToolNix 19.0.0: Quote:
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17th December 2017, 23:39 | #22355 | Link | |
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Quote:
Only touch the output range settings of the driver and madvr: http://forum.doom9.org/showthread.php?p=1271416 |
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22nd December 2017, 11:05 | #22359 | Link |
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Works on my system apart from dropping one frame every 1-2 seconds, but that's because my CPU can't handle YADIF.
What problems are you experiencing?
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28th December 2017, 03:24 | #22360 | Link |
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Here is a 40 sec sample from a UHD BD with Atmos Track (325MB) where at the 33sec mark the ATMOS track drops out when bitstreaming to an AVR. There is no issue when playing the original Disc using a HW Player (and others have reported that it also plays fine on a PC using PDVD). The issue is constant across several users all with different setups but one commonality is that it just seems to be SW players like JRiver and MPC-HC that has the issue.
Thanks for looking. Nathan Edit PS - you can not demux the sample with eac3to but with the full M2TS it reports no issues. Last edited by jmone; 28th December 2017 at 03:55. |
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decoders, directshow, filters, splitter |
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