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<div class="moz-cite-prefix">Den 30.09.2021 00:47, skrev Terje J.
Hanssen:<br>
</div>
<blockquote type="cite"
cite="mid:f7ee726b-3a2b-9e3d-01f3-68f852f9cdc5@gmail.com">
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<br>
Many good points, and I shorten the repeated thread above
....................<br>
<br>
@Andrew<br>
<br>
First <br>
<blockquote type="cite">
<pre>FLAC is audio codec, but from what I saw ppl used it with huffyuv for
example on Windows, so main output from drivr should be uncompressed</pre>
</blockquote>
<br>
Of course, my confusion, FLAC is "Free Lossless Audio Codec",
which I never have used so far (remembered Andrea mentioned it).<br>
</blockquote>
<br>
And to correct myself:<br>
<br>
Andrea mentioned <b>FFV1</b> in a previous forum post<br>
<a class="moz-txt-link-freetext" href="https://www.cinelerra-gg.org/forum/postid/1289/">https://www.cinelerra-gg.org/forum/postid/1289/</a><br>
<br>
Terje <br>
<br>
<blockquote type="cite"
cite="mid:f7ee726b-3a2b-9e3d-01f3-68f852f9cdc5@gmail.com"> <br>
Could i.e free, lossless FFV1 (or x265 lossless) be useful "LTS
and crossplatform compatible codecs" to compress 4:2:2 SD and HD
video output for archiving and editing?<br>
So far I have used proprietary ProRes HQ via BM Hyperdeck Shuttle
2, but an open format is a wishible option. <br>
(Playback S-Video via TBC and converted to DV PAL (4:2:0) has
visible less colors, which also may be due to Datavideo bult-in
the A/D converter in the recorder..)<br>
<br>
<br>
1) AVerMedia CE310B<br>
This PCIe videograbber is possibly<span class="price" title="This
product is no longer available to purchase"> "End Of Life -</span>
<span itemprop="price" content="99999.99"></span> <span
itemprop="priceCurrency" content="GBP"></span> <small>This
product is no longer available to purchase</small>" <br>
<a class="moz-txt-link-freetext"
href="https://www.scan.co.uk/products/avermedia-ce310b-pcie-frame-grabber-with-composite-s-video-interfacing?__cf_chl_captcha_tk__=pmd_750OsGngyr3HJ_Tm7NOj_k_LupqeA9reTqddMnXjA.0-1632945021-0-gqNtZGzNA1CjcnBszQfl"
moz-do-not-send="true">https://www.scan.co.uk/products/avermedia-ce310b-pcie-frame-grabber-with-composite-s-video-interfacing?__cf_chl_captcha_tk__=pmd_750OsGngyr3HJ_Tm7NOj_k_LupqeA9reTqddMnXjA.0-1632945021-0-gqNtZGzNA1CjcnBszQfl</a><br>
<br>
2) AVerMedia CL311-M2<br>
This looks to be a newer, more professional and > US $300
costly PCIe video capture card that supports both analog video,
full HD(MI) video and more.<br>
Beyond Windows support, there is a Linux Driver (2.0.8) for Ubuntu
20.04/18.04/16.04, kernel 5.4.0-4.15.0, TegraOS kernel 4.4.0,
Support users to complie driver by themselves.<br>
While the first CL311-M1 included a S-Video connector on its
backplane, the M2 version apply a cable dongle and supports 8 bit
colors, 4:2:2 uncompressed format..<br>
(That is, not unlike BM's (previous) Intensity Pro video grabber
card)<br>
<br>
<a class="moz-txt-link-freetext"
href="https://professional.avermedia.com/frame-grabbers/cl311-m2/"
moz-do-not-send="true">https://professional.avermedia.com/frame-grabbers/cl311-m2/</a><br>
<a class="moz-txt-link-freetext"
href="https://www.avermedia.com/professional/download/cl311_m2#ans_part"
moz-do-not-send="true">https://www.avermedia.com/professional/download/cl311_m2#ans_part</a><br>
<a class="moz-txt-link-freetext"
href="https://www.avermedia.com/professional/faqs/cl311_m2"
moz-do-not-send="true">https://www.avermedia.com/professional/faqs/cl311_m2</a><br>
<a class="moz-txt-link-freetext"
href="https://www.avermedia.com/professional/product/sdk/overview"
moz-do-not-send="true">https://www.avermedia.com/professional/product/sdk/overview</a><br>
<a class="moz-txt-link-freetext"
href="https://www.amazon.com/AVerMedia-1080P-60FPS-Capture-CL311-M2/dp/B07B9YHWS9"
moz-do-not-send="true">https://www.amazon.com/AVerMedia-1080P-60FPS-Capture-CL311-M2/dp/B07B9YHWS9</a><br>
<br>
<br>
@Mat and @Stefan<br>
<br>
<blockquote type="cite">
<pre>- I would avoid plug-in cards, you are completely dependent on the
manufacturer's support for Linux drivers. On the other hand, USB
grabbers usually follow standard USB audio/video rules, and almost
always work.</pre>
</blockquote>
-------------------<br>
<blockquote type="cite">
<pre>Your argument is valid for drivers in Linux. The problem with the USB
drivers and Linux;
- Linux supports a single endpoint per device, when the device needs two
independent drivers this causes a problem. For example V4L + libusb with
an ATEM.</pre>
</blockquote>
<br>
<br>
3) AVerMedia CU511B <br>
This full HD and SD Capture Box, 8 bit 4:2:2 with USB 3.0, could
possibly be an interesting external counterpart to the CE311-M2
PCIe capture card mentioned above.<br>
However I would expect it costs at least as much; possibly
therefore my search didn't find it for sail. <br>
According to the latest datasheet (DS_CU511B_EN_21060630.pdf, 1.5
MB), Windows and Linux driver support is included (and possibly
required?) as<br>
•Linux Services<br>
•Support Linux kernel 2.6.14 version and later based on V4L2 &
ALSA framework<br>
•Driver customization service by request<br>
<br>
<a class="moz-txt-link-freetext"
href="https://www.avermedia.com/professional/news/20"
moz-do-not-send="true">https://www.avermedia.com/professional/news/20</a><br>
<a class="moz-txt-link-freetext"
href="https://www.avermedia.com/professional/product/cu511b/overview"
moz-do-not-send="true">https://www.avermedia.com/professional/product/cu511b/overview</a><br>
<a class="moz-txt-link-freetext"
href="https://www.avermedia.com/professional/product/cu511b/spec"
moz-do-not-send="true">https://www.avermedia.com/professional/product/cu511b/spec</a><br>
<a class="moz-txt-link-freetext"
href="https://www.avermedia.com/professional/faqs/cu511b"
moz-do-not-send="true">https://www.avermedia.com/professional/faqs/cu511b</a><br>
<a class="moz-txt-link-freetext"
href="http://storage.avermedia.com/web_release_www/CU511B/DS_CU511B_EN_21060630.pdf"
moz-do-not-send="true">http://storage.avermedia.com/web_release_www/CU511B/DS_CU511B_EN_21060630.pdf</a><br>
<br>
<br>
---------<br>
Terje</blockquote>
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