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20th April 2017, 18:49 | #5241 | Link | |
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20th April 2017, 18:59 | #5242 | Link | |
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Now the thing gets compiled. BUT still with tons of warnings FWIW: I disabled HDR10+ only for the 8-bit section in my new multilib building script. Last edited by Midzuki; 20th April 2017 at 19:04. Reason: damn typos :-/ |
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20th April 2017, 20:22 | #5243 | Link | |
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Inviato dal mio GT-N7100 utilizzando Tapatalk |
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20th April 2017, 21:10 | #5245 | Link |
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Unless you are encoding content that has been mastered with Samsung's tone mapping system, and you have the JSON file with the HDR metadata, you don't need to build x265 with this feature. You'll get errors if you're not using the same compiler that this feature was targeted to. I'll ask our development team to clarify which compilers are supported by this feature today.
Last edited by x265_Project; 20th April 2017 at 22:35. |
20th April 2017, 21:55 | #5246 | Link | ||
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20th April 2017, 23:16 | #5248 | Link | |
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Generating the metadata is pretty complex, and that's not in x265. Colorfront's Transkoder product can generate the data from a source file. x265 supports incorporating the metadata into an encoded HDR-10 HEVC bitstream. |
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20th April 2017, 23:38 | #5249 | Link | |
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For transmission, thats apprently in CTA-861-G (ie. the HDMI 2.0/2.1 standard), perhaps some software features can be supported on older HDMI interfaces by firmware updates (like dynamic metadata).
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LAV Filters - open source ffmpeg based media splitter and decoders Last edited by nevcairiel; 20th April 2017 at 23:55. |
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21st April 2017, 01:43 | #5250 | Link | |
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21st April 2017, 05:43 | #5251 | Link | |
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https://support.google.com/youtube/answer/7126552?hl=en http://www.androidcentral.com/new-nv...-hdr-streaming https://www.heise.de/newsticker/meld...t-3488970.html Dolby Vision also works with the older HDMI 1.4a standard, while HDR10 requires HDMI 2.0. Dolby Vision is backwardly compatible to HDR10, but it's not clear if it will work with the new standard HDR10+. But what exactly does that mean? HDR10/HDR10+ is the current industry standard for HDR in consumer televisions. This first-generation “open” format technology is the starting point for High Dynamic Range, which needs a compatible interface—either HDMI 2.0a/HDMI 2.1 or Internet connection... Make sure your TV and AV receiver firmware are up to date. Many newer TVs and devices can take updates—if you find that it doesn't support some 4K or HDR features, a TV or receiver firmware update may resolve the problem. Check your TV or device manual to see how to update the firmware. Edit: Who knows what this is for the Dynamic Range Pro for HDR10? Is it also set in HEVC codecs? Last edited by Jamaika; 21st April 2017 at 09:00. |
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21st April 2017, 17:24 | #5252 | Link | ||
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21st April 2017, 18:05 | #5253 | Link | |
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It begins to be it for me even more puzzling. Last edited by Jamaika; 21st April 2017 at 18:17. |
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21st April 2017, 18:19 | #5254 | Link |
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Sony's "Dynamic Range Pro" is not "dynamic HDR", its just static HDR with some proprietary contrast booster.
So far there have been 4 competing dynamic HDR concepts grouped under SMPTE 2094 2094-10: Dolby Vision 2094-20: Phillips 2094-30: Technicolor (used by LG, IIRC) 2094-40: Samsung Its a rather unfortunate situation that we have 4 competing concepts already, and possibly more in the future. We'll have to see how they differ and if TVs will be able to just handle content in all of the formats. From what I could turn up, the next release of the HEVC spec (October 2017) should also encorporate the SEI messages for these officially. I also found information that claims that ST 2094-10 and ST 2094-20 are optional parts of the UHD Blu-ray Specification, but the other two didn't make it in at all. Transmission over HDMI will likely require HDMI 2.1 for all variants of SMTPE ST 2094 - with the exception of Dolbys proprietary transmission format, which requires full hardware support on both ends.
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LAV Filters - open source ffmpeg based media splitter and decoders Last edited by nevcairiel; 21st April 2017 at 18:36. |
22nd April 2017, 12:57 | #5255 | Link |
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I want make direct comparison with HT On and HT Off.
It's possible to change the wpp raws number in x265?
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22nd April 2017, 15:59 | #5256 | Link | |
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I'm guessing any build from that point on has it? Or is the commit I'm seeing still something that needs to be approved? |
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22nd April 2017, 17:50 | #5258 | Link | |
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https://bitbucket.org/multicoreware/...ncoder.cpp-137 Example: if you want to simulate 4 logical cores system, use --pools 4 -F 2 for 8 cores: --pools 8 -F 3 for 20 cores: --pools 20 -F 5 for 32 cores and 1080p source movie: --pools 32 -F 6 wpp you can only turn on or off (for '--no-wpp' option number of frame threads are min(logical cores, 16) for high resolution source). |
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22nd April 2017, 19:58 | #5260 | Link |
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Its always used when you encode 10-bit content, and any builds of the last few days should have the new table.
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LAV Filters - open source ffmpeg based media splitter and decoders |
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