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1st May 2015, 22:16 | #2483 | Link |
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Hybrid rev 2015.05.01.1:
*added*
Cu Selur |
1st May 2015, 22:36 | #2484 | Link |
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I asked rigaya about b-frames in nv h265 a few days ago, apparently it's not supported:
Code:
Codec: H.265/HEVC Max Bframes 0 RC Modes 63 Field Encoding 0 MonoChrome 0 Quater-Pel MV 1 B Direct Mode 0 Max Temporal Layers 0 Hierarchial P Frames 0 Hierarchial B Frames 0 Max Level 62 Min Level 1 4:4:4 0 Max Width 4096 Max Height 4096 Dynamic Resolution Change 1 Dynamic Bitrate Change 1 Forced constant QP 1 Dynamic RC Mode Change 0 Subframe Readback 0 Constrained Encoding 1 Intra Refresh 1 Custom VBV Bufsize 1 Dynamic Slice Mode 1 Ref Pic Invalidiation 1 PreProcess 0 Async Encoding 0 Max MBs 65536 MAX MB per sec 983040 Lossless 0 |
3rd May 2015, 17:14 | #2489 | Link |
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Hi Selur,
the drag & drop does not work to open a mkv, is it normal ? And I'd like to test lossless x264 encoding, how to do it with Hybrid ? I believe one has to put --keyint 1 and -qp 0 in the command line but I'm not sure. |
4th May 2015, 21:44 | #2492 | Link |
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I have Win 7 64b, but it seems to work now
Thanks Ajvar, I believed I didn't have this setting but I realized I had first to chose "unrestricted", otherwise "constant quantizer" does not appear in the list, and "lossless" does not either. Why can we still change the number of b-frames in lossless, I believed it only contained I-frames ? And I'm also astonished x264 lossless is in 4:4:4, while Lagarith can be in 4:2:0 and it's lossless too By the way, rev 2015.05.01.1 still shows 2015.04.25.1. Last edited by Music Fan; 4th May 2015 at 21:56. |
7th May 2015, 00:36 | #2493 | Link |
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Hi Selur,
I upgraded my PC and reinstalled the operative system, now based on Debian Jessie 64bit. I downloaded Hybrid Linux64bit Qt 4.8 v 2015.05.01.1 and installed most dependencies, then put path to tools in Hybrid and it showed correct versions. PlayOnLinux is also installed and so is wine, that shows in tools information under Hybrid. But all dependencies installed are Linux dependencies and not Windows, so not wine used. But I loaded a Blu-Ray, and managed to extract subtitles, add audio tracks, crop video and preview cropping, adjust x264 settings, add matroska flags... Created a job, so long so good. But when I start the job it crashes. In Hybrid log it shows that generated calls always include /usr/bin/wine... it tries to run dependencies as if they where windows and not Linux. I don't have a simple Debug to send, just the one with various trial/error tests trying to solve the error. If it is needed I will generate one simpler. By now I just wanted your help to know if I missed some switch in Config tab asking to use wine or windows dependencies under Linux, or if this is the expected Hybrid behaviour when wine is detected in the system. Created a Debug (level 7...) and sent Last edited by digitall.h; 7th May 2015 at 10:37. Reason: Additional information |
10th May 2015, 21:08 | #2494 | Link |
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Hybrid rev 2015.05.10.1:
*fixed*
Cu Selur |
11th May 2015, 05:11 | #2496 | Link | ||
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Quote:
Quote:
As a side note: saving 4:4:4 content with 4:2:0 on the other hand is not lossless. b. Lowest level which supports lossless in H.264 is High 4:4:4 Predictive Profile, which does support 4:2:0/4:2:2/4:4:4 color coding, so no reason to stick with 4:4:4 -> x264 lossless doesn't have to be 4:4:4 |
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11th May 2015, 08:30 | #2497 | Link |
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In a fast test, the new Hybrid rev 2015.05.10.1 version solved for me the problem of Hybrid using wine under Linux.
I will make a whole encoding test soon to confirm. A curious thing: the qt 4.8 executable shrunk from 22 MB to 8 MB EDIT: now completed a full encode from BluRay to x264, everything went perfect, as expected As a side comment: are there any switches that make x264 take advantage of multicore/multithreading?, I think threads is probably set to auto (in final encode it shows 12 threads). What would be faster while keeping quality in the final encode?. Last edited by digitall.h; 12th May 2015 at 16:39. |
12th May 2015, 20:48 | #2498 | Link | ||
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Quote:
a. stripped the binary b. ran upx over it Quote:
-> What settings are you using? |
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15th May 2015, 05:07 | #2500 | Link |
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Is your cpu maxed out during encoding?
If not, try if using a higher lookahead thread count ('x264->Rate Control->Rate Control Settings->Lookahead threads') helps. If it is, try if lowering the -rc-lookahed ('x264->Rate Control->Rate Control Settings->Lookahead threads' from 60 to 40) helps. You could also: - use a lower sub pixel motion estimation precision ('x264->Motion Estimation->Motion Estimation Settings->Sub-pixel precision') - use a faster preset (using 'very slow' and complaining that the speed is not so fast seems a bit 'schizophrenic'. ) - use a higher decoder thread count (Config->Internals->FFmpeg/MEncoder threads); this could have a positive or a negative impact on the speed Cu Selur |
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