search for: vp9

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2019 Aug 22
2
h265 codec pass through on asterisk
...4.1 client on android and baresip on linux. I'm exploring use of h265 for improved video quality/lower network bandwidth. I do not see pass through support on asterisk for h265/hvec. All my SIP clients and underlying hardware have hvec/h265 encoding and decoding available. I would have liked vp9 however, vp9 encoding in hardware is not widespread. Is there any reason for not enabling support for h265 pass through? Thanks! -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20190822/f5b4b80d/attac...
2016 Sep 21
3
PHP vulnerability CVE-2016-4073
On 2016-Sep-21 14:35, Adrian Sevcenco wrote: > On 09/21/2016 02:02 PM, ?????? wrote: > > Hello, > > > > My server with CentOS 6.8 just failed PCI scan, so I'm looking into > > vulnerable packages. PHP 5.3.3 have multiple vulnerabilities, some of > > them are fixed/patched or have some kind of workaround. But I can't find > > a way to fix this one.
2019 Jun 21
3
support free WEBP images in Opus files
WebP (imagepart of VP9) is better then JPG AVIF (imagepart of VPX/AV1) is better then HEIF please support in OPUS file for album arts more then JPG and PNG... WebP and AVIF are free imageformats can store multiple images thats good for the problem with METADATA_BLOCK_PICTURE only can store one file. i try to push some...
2010 Jun 06
3
What about ogg?
What does webm mean for the ogg container? Obviously it will still be around, but I was hoping to see native support for ogg vorbis in mainstream media players. Will there be an attempt to improve it and make it more attractive so that ogg (or maybe even an ogg2) is chosen as the container for VP9 or VP10 years down the road? -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/theora/attachments/20100606/730d091d/attachment.htm
2016 Mar 24
1
NHW codec - progress 2
...contrast and give it to low contrast.I think in a first time, I will only use residual coding for the low contrast area errors.I will try to do this next month if I can find time, and will let you know what it gives. I am also aware that with all this, it will be very very difficult to beat HEVC, VP9/10, Daala.The entropy coding is certainly the most interesting part of my codec. Cheers, Raphael -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/theora/attachments/20160324/433e4d10/attachment.htm
2019 Aug 22
2
h265 codec pass through on asterisk
...39;m exploring use of h265 for improved video quality/lower network > bandwidth. I do not see pass through support on asterisk for h265/hvec. > All my SIP clients and underlying hardware have hvec/h265 encoding and > decoding available. > > I would have liked vp9 however, vp9 encoding in hardware is not widespread. > > Is there any reason for not enabling support for h265 pass through? The only real reason is that noone has added support for it. Asterisk has to be made aware of it in a few places in order to allow it. I did it for VP...
2019 Aug 28
0
[ANNOUNCE] libvdpau 1.3
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 This release of libvdpau switches the build system from automake & autoconf to meson and adds definitions to support decoding of the VP9 video format. Aaron Plattner (7): Switch the build system to Meson Add .gitlab-ci.yml doc: Don't use line-wrapping backslashes in \defgroup definitions CI: Build documentation meson: Remove unnecessary 'install' parameter from configure_file() CI: E...
2016 Sep 21
0
PHP vulnerability CVE-2016-4073
...s. With respect to multimedia, there's the fluendo codec pack but interestingly FireFox won't play mp3 with the fluendo codec pack, it wants the libmad plugin. And even more bizarre, maybe they have fixed it, but GStreamer 1.x in CentOS 7 when it shipped was not capable of decoding the VP9 codec used in WebM2. CentOS 7 came with tools to encode VP9 but the GStreamer was too crusty to decode it, and the commercial fluendo plugins were of no help there - replacing the GStreamer 1.x packages with a modern build was the only option. Stability is pointless when it doesn't serve t...
2019 Sep 09
1
Best version of Icecast? / Icecast as a service? / Videostreaming?
...;? Link? > > >> 3. Can Icecast stream also video livestream? Where can I find more >> about it? >> > Yes, Icecast has had support for video streams since the early 2000's. > The currently recommended options are: > * WebM (container) >  * VP8 + Vorbis >  * VP9 + Opus > * Ogg (container) >  * Theora + Vorbis > > Other legacy formats like "NSV" are likely to work too as Icecast will > go into "legacy" (or simply put "dumb") mode and simply pass through the > data. We can't really help with those though. &...
2017 Aug 25
4
NHW Project - news with Xiph.org
..., because the NHW codec performs bad on all metrics because it modifies image to give it more neatness (this also includes a slight denoising)... For speed, the NHW codec is written in plain C code, there are no C optimization, no SIMD optimization, no multithreading, whereas the other codecs (x265,VP9,x264,WebP,...) have them and are highly optimized, so time/speed comparison will not be fair... Then there are innovations in the NHW codec: like a new fast wavelet transform, a multistage residual coding, 3 new entropy coding schemes and other things like for example interesting pre- and post- pr...
2019 Sep 08
2
Best version of Icecast? / Icecast as a service? / Videostreaming?
Hello, 1. Which version of Icecast is the best and newest. Officially it is 2.4.4 at icecast.org. But is there a mod version with more features? 2. Who can run Icecast as a Windows service? My 2.4.3 version does not support this. Older versions had this option during installation. 3. Can Icecast stream also video livestream? Where can I find more about it? Kind regards. -------------- next
2016 Apr 25
1
Opus Audio Codec
Dear Opus team, We are a PC, Tablets and Smartphones manufacturer in Brazil http://www.positivoinformatica.com.br/ . We were informed that the VP9 Video Codec will be added by Microsoft in the new versions of our contracts with them. We reseached this codec and sow that is developed by you and is royalty free. Would you please help me to check whether to sign any tipe of contract for the use of this technology? Thank you. ANGELA...
2014 Apr 17
2
[LLVMdev] multithreaded performance disaster with -fprofile-instr-generate (contention on profile counters)
...we will have high contention on the racy >> profile counters. >> >> Such situation is not necessary very frequent, but when it happens >> -fprofile-instr-generate becomes barely usable due to huge slowdown >> (5x-10x) >> >> An example is the multi-threaded vp9 video encoder. >> >> git clone https://chromium.googlesource.com/webm/libvpx >> cd libvpx/ >> F="-no-integrated-as -fprofile-instr-generate"; CC="clang $F" >> CXX="clang++ $F" LD="clang++ $F" ./configure >> make -j32 >&g...
2019 May 10
4
Asterisk 13.26.0 webRTC: Asterisk not passing along video
...10 10:45:24] a=rtcp-fb:96 goog-remb [May 10 10:45:24] a=rtcp-fb:96 transport-cc [May 10 10:45:24] a=rtcp-fb:96 ccm fir [May 10 10:45:24] a=rtcp-fb:96 nack [May 10 10:45:24] a=rtcp-fb:96 nack pli [May 10 10:45:24] a=rtpmap:97 rtx/90000 [May 10 10:45:24] a=fmtp:97 apt=96 [May 10 10:45:24] a=rtpmap:98 VP9/90000 [May 10 10:45:24] a=rtcp-fb:98 goog-remb [May 10 10:45:24] a=rtcp-fb:98 transport-cc [May 10 10:45:24] a=rtcp-fb:98 ccm fir [May 10 10:45:24] a=rtcp-fb:98 nack [May 10 10:45:24] a=rtcp-fb:98 nack pli [May 10 10:45:24] a=fmtp:98 profile-id=0 [May 10 10:45:24] a=rtpmap:99 rtx/90000 [May 10 10:4...
2014 Apr 17
9
[LLVMdev] multithreaded performance disaster with -fprofile-instr-generate (contention on profile counters)
...n that is simultaneously executed by multiple threads -- then we will have high contention on the racy profile counters. Such situation is not necessary very frequent, but when it happens -fprofile-instr-generate becomes barely usable due to huge slowdown (5x-10x) An example is the multi-threaded vp9 video encoder. git clone https://chromium.googlesource.com/webm/libvpx cd libvpx/ F="-no-integrated-as -fprofile-instr-generate"; CC="clang $F" CXX="clang++ $F" LD="clang++ $F" ./configure make -j32 # get sample video from from https://media.xiph.org/video/d...
2015 Aug 12
0
NHW Image codec
...have expected more..., but it is getting harder to save bits for this part.Update at http://nhwcodec.blogspot.com/ . Now the discussions on video compression will be certainly focused on the NETVC project, and that's right that beside professional codecs like Daala, Thor, and certainly Google VP9/10, (and others...), the NHW codec has almost no chance to be selected.But if some few parts could be selected (for test), that would be just great.The main interesting parts of the codec are: a new fast wavelet transform, a multistage residual coding, and 3 new entropy coding schemes which one (ab...
2019 Feb 17
0
NHW Project - new -l19 "extreme" compression quality setting
...eper the psychovisual model I use for extreme compression, because on 5% of the images, certain kinds of images, it is better to switch it off... Again, it would be great if you could consider the NHW Project as furthermore it is royalty-free and ultra-fast, I know it is impossible to compete with VP9,HEVC, AOM AV1, VVC, but maybe there would a niche these codecs don't cover and where the NHW Project could shine, because I feel it still lacks of consideration by the industry (but of course this is only my opinion)... Many thanks! Cheers, Raphael -------------- next part -------------- An HT...
2019 Sep 09
0
Best version of Icecast? / Icecast as a service? / Videostreaming?
...ssm" and pointing it to "icecast.bat" > 3. Can Icecast stream also video livestream? Where can I find more > about it? > Yes, Icecast has had support for video streams since the early 2000's. The currently recommended options are: * WebM (container) ?* VP8 + Vorbis ?* VP9 + Opus * Ogg (container) ?* Theora + Vorbis Other legacy formats like "NSV" are likely to work too as Icecast will go into "legacy" (or simply put "dumb") mode and simply pass through the data. We can't really help with those though. Please note that the default...
2015 Jan 08
2
MIME Types and File Extensions
Hi All, On the Xiph Wiki page at: https://wiki.xiph.org/MIME_Types_and_File_Extensions I added Opus to several of the sections, but wasn't sure whether to add "Theora + Opus" to: .ogv - video/ogg .axv - video/annodex As far as I can tell, according to the Opus FAQ at: https://wiki.xiph.org/OpusFAQ#Will_Opus_replace_Vorbis_in_video_files.3F Theora + Opus is
2015 Jan 08
0
MIME Types and File Extensions
...tell, according to the Opus > FAQ at: > https://wiki.xiph.org/OpusFAQ#Will_Opus_replace_Vorbis_in_video_files.3F > > Theora + Opus is possible but not recommended. The faq isn't completely accurate, in that theora+opus will work in some players, and Youtube is happily serving vp9+vorbis in webm. One can try to use the 'codecs' extension to mime-types to specify, but that isn't universally supported either. -r