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Joined: 11/19/2015(UTC) Posts: 30  Location: Netherlands Thanks: 1 times
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I would like an updated FFMPEG release in vmix 18.
FFMPEG 3.x also supports Intel QUICKSYNC, but vMix 17 still uses release 2.8.
Since Graphic cards nowadays use a minimal of 2 slots, we need tower PC's to get all cards mounted.
However when using quicksync we could build smaller units without grapics card.
I managed to update the ffmpegformats.xml and replaced ffmpeg myself.
Recording in ffmpeg format hardly used additional CPU. However, i could not stream anymore since LIBFAAC was missing.
I could not find a way to get live streaming using acc instead of libfaac (or other ways to influence the stream ffmpeg command)
It would be great if vMix 18 would use ffmpeg 3 with quicksync support.
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Joined: 3/12/2015(UTC) Posts: 482 Location: Kansas City, MO USA Thanks: 151 times
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Joined: 12/19/2013(UTC) Posts: 600  Location: Belgium Thanks: 75 times
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Joined: 4/16/2015(UTC) Posts: 17 Location: São Bernardo do Campo - SP - Brasil Thanks: 17 times
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++++1 and h265 encode suport for new nvidia cards 960 970 980 1060 1070 1080
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+1 for an update to FFMPEG with Intel Quick Sync enabled.
It would also be a gigantic benefit for my application to enable FFMPEG to generate a MOV timecode track based on the current system time. (FFMPEG can generate the timecode track, the problem is specifying the track's start time dynamically).
As a test I simply replaced the FFMPEG.exe binary (Windows 10) installed with vMix for the build of FFMPEG.exe 3.3.3 by Zeranoe. I was then able to modify vMix's ffmpegformats.xml file as follows and successfully leverage Quick Sync with an Intel NUC6i7KYK NUC for reduced GPU and CPU loads.
For a given <format>
<video codec="h264_qsv">
...
<command>-pix_fmt nv12
The "h264_qsv" codec invokes Quick Sync if FFMPEG has been built with libmfx. The nv12 pixel format is required by Quick Sync.
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 1 user thanked rickb for this useful post.
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Joined: 3/28/2017(UTC) Posts: 69  Location: Haapsalu, Estonia Thanks: 72 times
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Nowadays FFMPEG version is already 4.0.2.
Support for Intel Quick Sync Video give also nice encoding performance improvement.
Please update FFMPEG version and enable Intel Quick Sync Video support!
Indrek
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1 user thanked vvcvvc for this useful post.
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Big +1 for the FFMPEG new version, and for the QuickSync...
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1 user thanked pba for this useful post.
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Joined: 9/20/2015(UTC) Posts: 39  Location: Hyderabad Thanks: 86 times
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1 user thanked vijay6672 for this useful post.
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1 user thanked ThomasK for this useful post.
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Joined: 3/20/2014(UTC) Posts: 2,721  Location: Bordeaux, France Thanks: 243 times
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Why don't you just use EXTERNAL to feed the FFMPEG version of your choice with your own commands? Or NDI since FFMPEG now supports NDI feeds ?
vMix is so "flexable", it brings everything you need to do whatever you want. Don't wait for such new features, create them yourselves! It's so easy!
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