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    <div class="moz-cite-prefix">Den 09.02.2023 01:34, skrev Andrew
      Randrianasulu:<br>
    </div>
    <blockquote type="cite"
cite="mid:CA+rFky4rutNokm9DvXP0aV4qi2jOnBp+Nb5nvEEgOJjTwuC3sA@mail.gmail.com">
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          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">чт, 9 февр. 2023 г., 03:14
              Terje J. Hanssen <<a
                href="mailto:terjejhanssen@gmail.com" target="_blank"
                rel="noreferrer" moz-do-not-send="true"
                class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
            </div>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div> <br>
                <br>
                <div>Den 08.02.2023 23:16, skrev Andrew Randrianasulu:<br>
                </div>
                <blockquote type="cite">
                  <div dir="auto">
                    <div><br>
                      <br>
                      <div class="gmail_quote">
                        <div dir="ltr" class="gmail_attr">чт, 9 февр.
                          2023 г., 01:13 Terje J. Hanssen <<a
                            href="mailto:terjejhanssen@gmail.com"
                            rel="noreferrer noreferrer" target="_blank"
                            moz-do-not-send="true"
                            class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
                        </div>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
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                            <div>Den 08.02.2023 22:47, skrev Andrew
                              Randrianasulu:<br>
                            </div>
                            <blockquote type="cite">
                              <div dir="auto">
                                <div><br>
                                  <br>
                                  <div class="gmail_quote">
                                    <div dir="ltr" class="gmail_attr">чт,
                                      9 февр. 2023 г., 00:38 Terje J.
                                      Hanssen <<a
                                        href="mailto:terjejhanssen@gmail.com"
                                        rel="noreferrer noreferrer
                                        noreferrer noreferrer"
                                        target="_blank"
                                        moz-do-not-send="true"
                                        class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
                                    </div>
                                    <blockquote class="gmail_quote"
                                      style="margin:0 0 0
                                      .8ex;border-left:1px #ccc
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                                        <br>
                                        <div>Den 08.02.2023 19:15, skrev
                                          Andrew Randrianasulu:<br>
                                        </div>
                                        <blockquote type="cite">
                                          <div dir="auto">
                                            <div><br>
                                              <br>
                                              <div class="gmail_quote">
                                                <div dir="ltr"
                                                  class="gmail_attr">ср,
                                                  8 февр. 2023 г., 20:53
                                                  Terje J. Hanssen <<a
href="mailto:terjejhanssen@gmail.com" rel="noreferrer noreferrer
                                                    noreferrer
                                                    noreferrer
                                                    noreferrer
                                                    noreferrer"
                                                    target="_blank"
                                                    moz-do-not-send="true"
class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
                                                </div>
                                                <blockquote
                                                  class="gmail_quote"
                                                  style="margin:0 0 0
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                                                    <br>
                                                    <div>Den 08.02.2023
                                                      16:45, skrev Terje
                                                      J. Hanssen:<br>
                                                    </div>
                                                    <blockquote
                                                      type="cite"> <br>
                                                      <br>
                                                      <div>Den
                                                        08.02.2023
                                                        15:34, skrev
                                                        Andrew
                                                        Randrianasulu:<br>
                                                      </div>
                                                      <blockquote
                                                        type="cite">
                                                        <div dir="auto">
                                                          <div><br>
                                                          <br>
                                                          <div
                                                          class="gmail_quote">
                                                          <div dir="ltr"
class="gmail_attr">ср, 8 февр. 2023 г., 17:16 Terje J. Hanssen <<a
                                                          href="mailto:terjejhanssen@gmail.com"
rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer"
                                                          target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
                                                          </div>
                                                          <blockquote
                                                          class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                                                          <div> <br>
                                                          <br>
                                                          <div>Den
                                                          08.02.2023
                                                          14:21, skrev
                                                          Andrew
                                                          Randrianasulu:<br>
                                                          </div>
                                                          <blockquote
                                                          type="cite">
                                                          <div
                                                          dir="auto">
                                                          <div><br>
                                                          <br>
                                                          <div
                                                          class="gmail_quote">
                                                          <div dir="ltr"
class="gmail_attr">ср, 8 февр. 2023 г., 14:47 Terje J. Hanssen <<a
                                                          href="mailto:terjejhanssen@gmail.com"
rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer"
                                                          target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
                                                          </div>
                                                          <blockquote
                                                          class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                                                          <div> <br>
                                                          <br>
                                                          <div>Den
                                                          08.02.2023
                                                          02:38, skrev
                                                          Andrew
                                                          Randrianasulu:<br>
                                                          </div>
                                                          <blockquote
                                                          type="cite">
                                                          <div
                                                          dir="auto">
                                                          <div><br>
                                                          <br>
                                                          <div
                                                          class="gmail_quote">
                                                          <div dir="ltr"
class="gmail_attr">ср, 8 февр. 2023 г., 04:08 Terje J. Hanssen <<a
                                                          href="mailto:terjejhanssen@gmail.com"
rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer"
                                                          target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
                                                          </div>
                                                          <blockquote
                                                          class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                                                          <div> <br>
                                                          <br>
                                                          <div>Den
                                                          08.02.2023
                                                          00:52, skrev
                                                          Andrew
                                                          Randrianasulu:<br>
                                                          </div>
                                                          <blockquote
                                                          type="cite">
                                                          <div
                                                          dir="auto">
                                                          <div><br>
                                                          <br>
                                                          <div
                                                          class="gmail_quote">
                                                          <div dir="ltr"
class="gmail_attr">ср, 8 февр. 2023 г., 01:35 Terje J. Hanssen via Cin
                                                          <<a
                                                          href="mailto:cin@lists.cinelerra-gg.org"
rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer"
                                                          target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">cin@lists.cinelerra-gg.org</a>>:<br>
                                                          </div>
                                                          <blockquote
                                                          class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                                                          <div> <br>
                                                          <br>
                                                          <div>Den
                                                          02.02.2023
                                                          01:46, skrev
                                                          Terje J.
                                                          Hanssen:<br>
                                                          </div>
                                                          <blockquote
                                                          type="cite"> <font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace"><font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace">.......</font></font><font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace"><br>
                                                          </font></blockquote>
                                                          <br>
                                                          <blockquote
                                                          type="cite"><font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace">
                                                          but I prepare
                                                          myself to test
                                                          and use one
                                                          method left
                                                          with regards
                                                          to "Personal
                                                          Video
                                                          Archiving".<br>
                                                          <br>
                                                          Therefore I
                                                          have ordered
                                                          two selected,
                                                          inexpensive
                                                          devices (the
                                                          urls here are
                                                          just for
                                                          English
                                                          language):<br>
                                                          <br>
                                                          1) Capture
                                                          Card USB HDMI
                                                          4K to 1080P
                                                          USB-C adapter
                                                          (Speedy USB
                                                          3.2/3.1/3.0, </font><font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace"><font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace">60
                                                          Hz and 1080p
                                                          FHD.</font>)<br>
                                                          <a
href="https://www.turascandinavia.com/en/products/computer/microphone-webcam/webcams/74257"
rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer"
                                                          target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">https://www.turascandinavia.com/en/products/computer/microphone-webcam/webcams/74257</a><br>
                                                          </font>
                                                          <ul>
                                                          <li><font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace">Fluid
                                                          video
                                                          recordings
                                                          without delays
                                                          or distortions
                                                          during live
                                                          streaming</font></li>
                                                          <li><font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace">Linux
                                                          not mentioned,
                                                          but assumed
                                                          this is a
                                                          standard
                                                          supported UVC.
                                                          OBS and VLC is
                                                          mentioned.</font></li>
                                                          </ul>
                                                          </blockquote>
                                                          <br>
                                                          <font
                                                          face="monospace">Then
                                                          the first
                                                          item, Hama
                                                          Video
                                                          Recording
                                                          Stick, HDMI 4k
                                                          - USB3.x is
                                                          received. It
                                                          promises: <br>
                                                          "Fluid video
                                                          recordings
                                                          without delays
                                                          or distortions
                                                          during live
                                                          streaming,
                                                          thanks to a
                                                          picture
                                                          frequency of
                                                          60 Hz and
                                                          1080p with
                                                          Full HD.
                                                          Transform
                                                          high-quality
                                                          video cameras
                                                          into a
                                                          high-resolution
                                                          USB web
                                                          camera".<br>
                                                          <br>
                                                          I have done a
                                                          quick, first
                                                          test using my
                                                          Sony HDR-FX7E
                                                          camera. This
                                                          is a HDV 1080i
                                                          camcorder with
                                                          MPEG-2 video
                                                          compression at
                                                          25 mbps on
                                                          tape
                                                          1440x1080,
                                                          50i25fps,
                                                          4:2:0 and MP2
                                                          stereo audio.
                                                          Currently it's
                                                          cassette deck
                                                          is broken and
                                                          needs repair
                                                          service. <br>
                                                          <br>
                                                          But according
                                                          to Steve
                                                          Mullen's V1
                                                          and FX7
                                                          handbook (not
                                                          mentioned in
                                                          the manual):<br>
                                                          </font>
                                                          <blockquote><font
face="monospace">1. When the camera is operating, the EIP (Enhanced
                                                          Image
                                                          Processor)
                                                          generates
                                                          uncompressed
                                                          1440x1080i
                                                          with a 4:2:2
                                                          color space. </font><font
face="monospace">Digital 4:2:2 data are output via the HDMI port while
                                                          4:2:2 analog
                                                          is output via
                                                          component-out.
                                                          Therefore, you
                                                          can record
                                                          4:2:2 live HD
                                                          video from the
                                                          camera without
                                                          MPEG-2
                                                          compression.
                                                          V1 and FX7
                                                          provide an
                                                          HDMI output
                                                          port that
                                                          carries
                                                          uncompressed
                                                          4:2:2, 8-bit,
                                                          digital video
                                                          plus
                                                          dual-channel,
                                                          PCM, 16-bit,
                                                          48kHz audio
                                                          When the
                                                          camera is
                                                          running. </font><br>
                                                          <br>
                                                          <font
                                                          face="monospace">2.
                                                          If you are
                                                          playing a
                                                          1080i50 or
                                                          1080i60 HDV
                                                          tape. The
                                                          4:2:0 MPEG-2
                                                          is decoded and
                                                          chroma
                                                          up-scaled to a
                                                          4:2:2. The
                                                          HDMI</font><br>
                                                          <font
                                                          face="monospace">chip
                                                          downscales
                                                          1440 to 1280
                                                          while it
                                                          up-scales 540
                                                          to 720. The
                                                          result is
                                                          720p50 or
                                                          720p60, which
                                                          is output via
                                                          HDMI.<br>
                                                          </font></blockquote>
                                                          <font
                                                          face="monospace">That
                                                          is, I have
                                                          tested section
                                                          1 now, but see
                                                          now that I
                                                          didn't test
                                                          1440x1080
                                                          resolution.
                                                          The only
                                                          resolution I
                                                          got to work at
                                                          25 fps was
                                                          720x576 (SD),
                                                          while HD
                                                          1280x720 and
                                                          FHD 1920x1080
                                                          were set down
                                                          to 10 fps and
                                                          5 fps
                                                          respectively
                                                          by the driver
                                                          and caused
                                                          jumpy
                                                          playback.<br>
                                                          </font></div>
                                                          </blockquote>
                                                          </div>
                                                          </div>
                                                          <div
                                                          dir="auto"><br>
                                                          </div>
                                                          <div
                                                          dir="auto">Did
                                                          you tried to
                                                          force specific
                                                          format
                                                          (uncompressed)
                                                          before -i
                                                          parameter for
                                                          ffmpeg? </div>
                                                          </div>
                                                          </blockquote>
                                                          <br>
                                                          Just
                                                          "-framerate 25
                                                          -video_size
                                                          1920x1080"
                                                          before -i as
                                                          repeated in
                                                          the code as
                                                          follows, where
                                                          I tested to
                                                          encode to
                                                          uncompressed
                                                          v210 instead
                                                          of ffv1, but
                                                          with no change
                                                          with regards
                                                          to low 5 fps:<br>
                                                          <br>
                                                          ffmpeg
                                                          -hide_banner
                                                          -f v4l2
                                                          -framerate 25
                                                          -video_size
                                                          1920x1080 -i
                                                          /dev/video0
                                                          -codec:v v210
                                                          -codec:a
                                                          pcm_s16le -f
                                                          matroska
                                                          1920x1080_v210.mkv<br>
[video4linux2,v4l2 @ 0x55944900e0c0] The driver changed the time per
                                                          frame from
                                                          1/25 to 1/5<br>
                                                          <br>
                                                          I also read a
                                                          related issue
                                                          and reply to
                                                          this post at
                                                          Superuser,
                                                          where
                                                          1920x1080 was
                                                          not supported
                                                          on the webcam.<br>
                                                          <a
href="https://superuser.com/questions/1449252/ffmpeg-captures-from-uvc-dev-video0-in-any-resolution-except-for-1920x1080"
rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer
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                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer"
                                                          target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">https://superuser.com/questions/1449252/ffmpeg-captures-from-uvc-dev-video0-in-any-resolution-except-for-1920x1080</a><br>
                                                          <br>
                                                          <blockquote
                                                          type="cite">
                                                          <div
                                                          dir="auto">
                                                          <div
                                                          dir="auto">Also
                                                          look out for
                                                          usb2 vs usb3
                                                          ports?
                                                          Shouldn't
                                                          capture device
                                                          hang on bus
                                                          002 (usb 3.0)
                                                          root hub,
                                                          instead of bus
                                                          001 (usb 2.0
                                                          root hub),
                                                          from lsusb
                                                          below?</div>
                                                          </div>
                                                          </blockquote>
                                                          <br>
                                                          This may well
                                                          work better. I
                                                          have to admit
                                                          that I have
                                                          never studied
                                                          the difference
                                                          between shared
                                                          usb buses. My
                                                          thought was to
                                                          try to change
                                                          the connected
                                                          usb devices,
                                                          but tested
                                                          first the only
                                                          free usb3 port
                                                          (blue) on the
                                                          add-on
                                                          frontpanel of
                                                          the
                                                          workstation.
                                                          The other two
                                                          usb3 ports are
                                                          on the
                                                          backpanel and
                                                          are used for
                                                          the Asus
                                                          blu-ray burner
                                                          and 8TB
                                                          Seagate
                                                          expansion
                                                          video disc. <br>
                                                          <br>
                                                          The other usb
                                                          ports on both
                                                          panels are
                                                          usb2 ports,
                                                          whereof two
                                                          for the
                                                          wireless
                                                          keyboard and
                                                          mouse on the
                                                          fronpanel.
                                                          What I
                                                          possibly
                                                          already have
                                                          mentioned
                                                          before, is
                                                          that sometimes
                                                          if I connect a
                                                          usb(2) device
                                                          or memory to
                                                          the usb3 port
                                                          on the
                                                          frontpanel,
                                                          this cause
                                                          hang on the
                                                          keyboard or
                                                          mouse. But
                                                          this didn't
                                                          happend this
                                                          time with the
                                                          USB3 capture
                                                          stick.<br>
                                                          <br>
                                                          <blockquote
                                                          type="cite">
                                                          <div
                                                          dir="auto">
                                                          <div
                                                          dir="auto"><br>
                                                          </div>
                                                          <div
                                                          dir="auto"><br>
                                                          </div>
                                                          <div
                                                          dir="auto">
                                                          <div
                                                          class="gmail_quote">
                                                          <blockquote
                                                          class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                                                          <div><font
                                                          face="monospace">
                                                          <br>
                                                          Someone here
                                                          that have
                                                          suggestion to
                                                          possibly
                                                          modified
                                                          syntax or can
                                                          verify that
                                                          the driver
                                                          doesn't manage
                                                          this?<br>
                                                          <br>
                                                          Another
                                                          (setup)
                                                          problem, there
                                                          was no audio
                                                          recorded or
                                                          heard during
                                                          playback!?<br>
                                                          <br>
                                                          In the
                                                          following I
                                                          list the test
                                                          command syntax
                                                          I've
                                                          collectedf and
                                                          tried with
                                                          shortened
                                                          output (yet
                                                          long):<br>
                                                          To explain, I
                                                          have also
                                                          another USB
                                                          2.0 Webcam
                                                          connected,
                                                          beside the new
                                                          HDMI-USB3
                                                          Videstick.<br>
                                                          <br>
                                                          Verify the
                                                          devices,
                                                          drivers and
                                                          formats:<br>
---------------------------------------<br>
                                                          dmesg | tail<br>
                                                          [22706.060759]
                                                          perf:
                                                          interrupt took
                                                          too long (2521
                                                          > 2500),
                                                          lowering
kernel.perf_event_max_sample_rate to 79250<br>
                                                          [32105.561575]
                                                          perf:
                                                          interrupt took
                                                          too long (3158
                                                          > 3151),
                                                          lowering
kernel.perf_event_max_sample_rate to 63250<br>
                                                          [40586.477420]
                                                          usb 1-5: USB
                                                          disconnect,
                                                          device number
                                                          2<br>
                                                          [40599.099612]
                                                          usb 1-5: new
                                                          high-speed USB
                                                          device number
                                                          5 using
                                                          xhci_hcd<br>
                                                          [40599.250960]
                                                          usb 1-5: New
                                                          USB device
                                                          found,
                                                          idVendor=534d,
idProduct=2109, bcdDevice=21.00<br>
                                                          [40599.250972]
                                                          usb 1-5: New
                                                          USB device
                                                          strings:
                                                          Mfr=1,
                                                          Product=2,
                                                          SerialNumber=0<br>
                                                          [40599.250978]
                                                          usb 1-5:
                                                          Product: USB
                                                          Video<br>
                                                          [40599.250984]
                                                          usb 1-5:
                                                          Manufacturer:
                                                          MACROSILICON<br>
                                                          [40599.252310]
                                                          usb 1-5: Found
                                                          UVC 1.00
                                                          device USB
                                                          Video
                                                          (534d:2109)<br>
                                                          [40599.256234]
                                                          hid-generic
                                                          0003:534D:2109.0006:
hiddev96,hidraw0: USB HID v1.10 Device [MACROSILICON USB Video] on
                                                          usb-0000:00:14.0-5/input4<br>
-----------------------------<br>
                                                          <br>
                                                          lsusb<br>
                                                          Bus 002 Device
                                                          003: ID
                                                          05e3:0732
                                                          Genesys Logic,
                                                          Inc.
                                                          All-in-One
                                                          Cardreader<br>
                                                          Bus 002 Device
                                                          002: ID
                                                          0bc2:2038
                                                          Seagate RSS
                                                          LLC Expansion
                                                          HDD<br>
                                                          Bus 002 Device
                                                          001: ID
                                                          1d6b:0003
                                                          Linux
                                                          Foundation 3.0
                                                          root hub<br>
                                                          Bus 001 Device
                                                          003: ID
                                                          046d:c534
                                                          Logitech, Inc.
                                                          Unifying
                                                          Receiver<br>
                                                          Bus 001 Device
                                                          005: ID
                                                          534d:2109
                                                          MacroSilicon
                                                          USB Video<br>
                                                          Bus 001 Device
                                                          004: ID
                                                          0c45:6340
                                                          Microdia
                                                          Camera<br>
                                                          Bus 001 Device
                                                          001: ID
                                                          1d6b:0002
                                                          Linux
                                                          Foundation 2.0
                                                          root hub<br>
                                                          <br>
                                                          <br>
                                                          udevadm info 
                                                          /dev/video* |
                                                          egrep
                                                          'DEVNAME|ID_V4L_PRODUCT'<br>
                                                          E:
                                                          DEVNAME=/dev/video0<br>
                                                          E:
                                                          ID_V4L_PRODUCT=USB
                                                          Video: USB
                                                          Video<br>
                                                          E:
                                                          DEVNAME=/dev/video1<br>
                                                          E:
                                                          ID_V4L_PRODUCT=USB
                                                          Video: USB
                                                          Video<br>
                                                          E:
                                                          DEVNAME=/dev/video2<br>
                                                          E:
                                                          ID_V4L_PRODUCT=USB
                                                          2.0 Camera: HD
                                                          720P Webcam<br>
                                                          E:
                                                          DEVNAME=/dev/video3<br>
                                                          E:
                                                          ID_V4L_PRODUCT=USB
                                                          2.0 Camera: HD
                                                          720P Webcam<br>
                                                          <br>
                                                          lsusb | egrep
                                                          'Video|Camera'<br>
                                                          Bus 001 Device
                                                          005: ID
                                                          534d:2109
                                                          MacroSilicon
                                                          USB Video<br>
                                                          Bus 001 Device
                                                          004: ID
                                                          0c45:6340
                                                          Microdia
                                                          Camera<br>
                                                          <br>
--------------------<br>
                                                          <br>
                                                          ll /dev/video*<br>
                                                          crw-rw----+ 1
                                                          root video 81,
                                                          0 feb.   7
                                                          20:22
                                                          /dev/video0<br>
                                                          crw-rw----+ 1
                                                          root video 81,
                                                          1 feb.   7
                                                          20:22
                                                          /dev/video1<br>
                                                          crw-rw----+ 1
                                                          root video 81,
                                                          2 feb.   7
                                                          09:05
                                                          /dev/video2<br>
                                                          crw-rw----+ 1
                                                          root video 81,
                                                          3 feb.   7
                                                          09:05
                                                          /dev/video3<br>
                                                          <br>
-----------------------<br>
                                                          <br>
                                                          v4l2-ctl
                                                          --list-devices<br>
                                                          USB 2.0
                                                          Camera: HD
                                                          720P Webcam
                                                          (usb-0000:00:14.0-11):<br>
                                                                 
                                                          /dev/video2<br>
                                                                 
                                                          /dev/video3<br>
                                                          <br>
                                                          USB Video: USB
                                                          Video
                                                          (usb-0000:00:14.0-5):<br>
                                                                 
                                                          /dev/video0<br>
                                                                 
                                                          /dev/video1<br>
                                                          <br>
-------------------------<br>
                                                          <br>
                                                          ffmpeg -f v4l2
                                                          -list_formats
                                                          all -i
                                                          /dev/video0<br>
                                                          ffmpeg
                                                          -hide_banner
                                                          -f v4l2
                                                          -list_formats
                                                          all -i
                                                          /dev/video0<br>
[video4linux2,v4l2 @ 0x556cf63570c0] Compressed:       mjpeg :         
                                                          Motion-JPEG :
                                                          1920x1080
                                                          1600x1200
                                                          1360x768
                                                          1280x1024
                                                          1280x960
                                                          1280x720
                                                          1024x768
                                                          800x600
                                                          720x576
                                                          720x480
                                                          640x480<br>
[video4linux2,v4l2 @ 0x556cf63570c0] Raw       :     yuyv422 :          
                                                          YUYV 4:2:2 :
                                                          1920x1080
                                                          1600x1200
                                                          1360x768
                                                          1280x1024
                                                          1280x960
                                                          1280x720
                                                          1024x768
                                                          800x600
                                                          720x576
                                                          720x480
                                                          640x480<br>
                                                          /dev/video0:
                                                          Immediate exit
                                                          requested<br>
                                                          <br>
                                                          ffmpeg
                                                          -hide_banner
                                                          -f v4l2
                                                          -list_formats
                                                          all -i
                                                          /dev/video1<br>
[video4linux2,v4l2 @ 0x5560c0bc70c0]
ioctl(VIDIOC_G_INPUT): Inappropriate ioctl for device<br>
                                                          /dev/video1:
                                                          Inappropriate
                                                          ioctl for
                                                          device<br>
----------------<br>
                                                          <br>
                                                          v4l2-ctl --all<br>
                                                          Driver Info
                                                          (not using
                                                          libv4l2):<br>
                                                                  Driver
                                                          name   :
                                                          uvcvideo<br>
                                                                  Card
                                                          type     : USB
                                                          Video: USB
                                                          Video<br>
                                                                  Bus
                                                          info      :
                                                          usb-0000:00:14.0-5<br>
                                                                  Driver
                                                          version:
                                                          5.14.21<br>
                                                                 
                                                          Capabilities 
                                                          : 0x84A00001<br>
                Video Capture<br>
                Metadata Capture<br>
                Streaming<br>
                Extended Pix Format<br>
                Device Capabilities<br>
                                                                  Device
                                                          Caps   :
                                                          0x04200001<br>
                Video Capture<br>
                Streaming<br>
                Extended Pix Format<br>
                                                          Priority: 2<br>
                                                          Video input :
                                                          0 (Camera 1:
                                                          ok)<br>
                                                          Format Video
                                                          Capture:<br>
                                                                 
                                                          Width/Height     
                                                          : 1920/1080<br>
                                                                  Pixel
                                                          Format      :
                                                          'MJPG'<br>
                                                                 
                                                          Field            
                                                          : None<br>
                                                                  Bytes
                                                          per Line    :
                                                          0<br>
                                                                  Size
                                                          Image        :
                                                          4147200<br>
                                                                 
                                                          Colorspace       
                                                          : sRGB<br>
                                                                 
                                                          Transfer
                                                          Function :
                                                          Rec. 709<br>
                                                                 
                                                          YCbCr/HSV
                                                          Encoding:
                                                          ITU-R 601<br>
                                                                 
                                                          Quantization     
                                                          : Default
                                                          (maps to Full
                                                          Range)<br>
                                                                 
                                                          Flags            
                                                          : <br>
                                                          Crop
                                                          Capability
                                                          Video Capture:<br>
                                                                 
                                                          Bounds      :
                                                          Left 0, Top 0,
                                                          Width 1920,
                                                          Height 1080<br>
                                                                 
                                                          Default     :
                                                          Left 0, Top 0,
                                                          Width 1920,
                                                          Height 1080<br>
                                                                  Pixel
                                                          Aspect: 1/1<br>
                                                          Selection:
                                                          crop_default,
                                                          Left 0, Top 0,
                                                          Width 1920,
                                                          Height 1080<br>
                                                          Selection:
                                                          crop_bounds,
                                                          Left 0, Top 0,
                                                          Width 1920,
                                                          Height 1080<br>
                                                          Streaming
                                                          Parameters
                                                          Video Capture:<br>
                                                                 
                                                          Capabilities    
                                                          : timeperframe<br>
                                                                  Frames
                                                          per second:
                                                          30.000 (30/1)<br>
                                                                  Read
                                                          buffers     :
                                                          0<br>
                     brightness 0x00980900 (int)    : min=-128 max=127
                                                          step=1
                                                          default=-11
                                                          value=-11<br>
                       contrast 0x00980901 (int)    : min=0 max=255
                                                          step=1
                                                          default=148
                                                          value=148<br>
                     saturation 0x00980902 (int)    : min=0 max=255
                                                          step=1
                                                          default=180
                                                          value=180<br>
                            hue 0x00980903 (int)    : min=-128 max=127
                                                          step=1
                                                          default=0
                                                          value=0<br>
                                                          <br>
-----------------<br>
                                                          <br>
                                                          v4l2-ctl
                                                          --list-formats-ext<br>
                                                          ioctl:
                                                          VIDIOC_ENUM_FMT<br>
                                                                 
                                                          Index       :
                                                          0<br>
                                                                 
                                                          Type        :
                                                          Video Capture<br>
                                                                  Pixel
                                                          Format: 'MJPG'
                                                          (compressed)<br>
                                                                 
                                                          Name        :
                                                          Motion-JPEG<br>
                Size: Discrete 1920x1080<br>
                        Interval: Discrete 0.017s (60.000 fps)<br>
                        Interval: Discrete 0.033s (30.000 fps)<br>
                        Interval: Discrete 0.040s (25.000 fps)<br>
                        Interval: Discrete 0.050s (20.000 fps)<br>
                        Interval: Discrete 0.100s (10.000 fps)<br>
                                                                        
                                                          .........<br>
                Size: Discrete 1280x720<br>
                        Interval: Discrete 0.017s (60.000 fps)<br>
                        Interval: Discrete 0.020s (50.000 fps)<br>
                        Interval: Discrete 0.033s (30.000 fps)<br>
                        Interval: Discrete 0.050s (20.000 fps)<br>
                        Interval: Discrete 0.100s (10.000 fps)<br>
                ......<br>
                Size: Discrete 720x576<br>
                        Interval: Discrete 0.017s (60.000 fps)<br>
                        Interval: Discrete 0.020s (50.000 fps)<br>
                        Interval: Discrete 0.033s (30.000 fps)<br>
                        Interval: Discrete 0.050s (20.000 fps)<br>
                        Interval: Discrete 0.100s (10.000 fps)<br>
                                                          </font></div>
                                                          </blockquote>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </blockquote>
                                                          </div>
                                                          </blockquote>
                                                          </div>
                                                          </div>
                                                          <div
                                                          dir="auto"><br>
                                                          </div>
                                                          <div
                                                          dir="auto"><br>
                                                          </div>
                                                          <div
                                                          dir="auto">well,
                                                          it seems we
                                                          know by now
                                                          why this
                                                          device was
                                                          ...unexpensive.</div>
                                                          </div>
                                                          </blockquote>
                                                          <br>
                                                          Yes, I have a
                                                          "90-days open
                                                          order" and
                                                          will start to
                                                          search for
                                                          another,
                                                          better UVC
                                                          video capture
                                                          device.<br>
                                                          The problem is
                                                          the lack of
                                                          definitive
                                                          specifications,
                                                          compared with
                                                          my proprietary
                                                          BMD devices.<br>
                                                          <br>
                                                          <blockquote
                                                          type="cite">
                                                          <div
                                                          dir="auto">
                                                          <div
                                                          dir="auto"><br>
                                                          </div>
                                                          <div
                                                          dir="auto">it
                                                          really seems
                                                          to report only
                                                          5-10 fps at
                                                          fullHD
                                                          uncompresed,
                                                          anything
                                                          bigger is
                                                          mjpeg ...</div>
                                                          </div>
                                                          </blockquote>
                                                          <br>
                                                          Type        :
                                                          Video Capture<br>
                                                                  Pixel
                                                          Format: 'YUYV'<br>
                                                                 
                                                          Name        :
                                                          YUYV 4:2:2<br>
                Size: Discrete 1920x1080<br>
                        Interval: Discrete 0.200s (5.000 fps)<br>
                                                          <br>
                                                          This can
                                                          absolutely not
                                                          be what they
                                                          promote as:<br>
                                                          <font
                                                          face="monospace">"Fluid
                                                          video
                                                          recordings
                                                          without delays
                                                          or distortions
                                                          during live
                                                          streaming,
                                                          thanks to a
                                                          picture
                                                          frequency of
                                                          60 Hz and
                                                          1080p with
                                                          Full HD".</font><br>
                                                          <br>
                                                          <blockquote
                                                          type="cite">
                                                          <div
                                                          dir="auto"><br>
                                                          <div
                                                          dir="auto"><a
href="https://superuser.com/questions/1449252/ffmpeg-captures-from-uvc-dev-video0-in-any-resolution-except-for-1920x1080"
rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer"
                                                          target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">https://superuser.com/questions/1449252/ffmpeg-captures-from-uvc-dev-video0-in-any-resolution-except-for-1920x1080</a><br>
                                                          </div>
                                                          </div>
                                                          </blockquote>
                                                          <br>
                                                          I also tried
                                                          that link's
                                                          suggested
                                                          syntax<br>
                                                          <pre><code>ffmpeg -y -t 15 -f video4linux2 -video_size 1920x1080 -input_format nv12 -timestamps abs -use_libv4l2 1 -i /dev/video0 out.mov</code>
</pre>
                                                          but it didn't
                                                          work for me,
                                                          just quitted
                                                          ffmpeg with<br>
                                                          <blockquote><font
face="monospace">Unrecognized option 'timestamps'.</font><br>
                                                          <font
                                                          face="monospace">Error
                                                          splitting the
                                                          argument list:
                                                          Option not
                                                          found</font><br>
                                                          </blockquote>
                                                          Looking at
                                                          ffmpeg man
                                                          pages at <a
                                                          href="https://manpages.org/ffmpeg/1"
rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer"
                                                          target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">https://manpages.org/ffmpeg/1</a>
                                                          there also is
                                                          a similar
                                                          video4linux2
                                                          syntax example<br>
                                                          <blockquote><font
face="monospace">Grab and record the input of a video4linux2 device,
                                                          leave the
                                                          frame rate and
                                                          size as
                                                          previously
                                                          set:</font><br>
                                                          <font
                                                          face="monospace">ffmpeg
                                                          -f
                                                          video4linux2
                                                          -input_format
                                                          mjpeg -i
                                                          /dev/video0
                                                          out.mpeg</font><br>
                                                          </blockquote>
                                                          <ul>
                                                          <li><font
                                                          face="monospace">video_size</font></li>
                                                          <li><font
                                                          face="monospace">   
                                                          Set the video
                                                          frame size.
                                                          The argument
                                                          must be a
                                                          string in the
                                                          form
                                                          WIDTHxHEIGHT
                                                          or a valid
                                                          size
                                                          abbreviation.
                                                          </font></li>
                                                          <li><font
                                                          face="monospace">pixel_format</font></li>
                                                          <li><font
                                                          face="monospace">   
                                                          Select the
                                                          pixel format
                                                          (only valid
                                                          for raw video
                                                          input). </font></li>
                                                          <li><font
                                                          face="monospace">input_format</font></li>
                                                          <li><font
                                                          face="monospace">   
                                                          Set the
                                                          preferred
                                                          pixel format
                                                          (for raw
                                                          video) or a
                                                          codec name.
                                                          This option
                                                          allows one to
                                                          select the
                                                          input format,
                                                          when several
                                                          are available.
                                                          </font></li>
                                                          </ul>
                                                          But what
                                                          should be set
                                                          as
                                                          input_format
                                                          in this case?<br>
                                                          <br>
                                                          </div>
                                                          </blockquote>
                                                          </div>
                                                          </div>
                                                          <div
                                                          dir="auto"><br>
                                                          </div>
                                                          <div
                                                          dir="auto"><span
style="color:rgb(80,0,80);font-size:12.8px">YUYV ? (lowercase)</span><br>
                                                          </div>
                                                          </div>
                                                          </blockquote>
                                                          <font
                                                          face="Courier
                                                          New, Courier,
                                                          monospace"><br>
                                                          <span
                                                          style="color:#000000;background-color:#ffffff">ffmpeg
                                                          -hide_banner
                                                          -f
                                                          video4linux2
                                                          -input_format
                                                          yuyv -i
                                                          /dev/video0
                                                          out.mkv </span><br>
                                                          <span
                                                          style="color:#ff5fff;background-color:#000000">[video4linux2,v4l2
                                                          @
                                                          0x55b25017e0c0]
                                                          </span><span
                                                          style="color:#ff0000;background-color:#000000">No
                                                          such input
                                                          format: yuyv.</span><span
style="color:#000000;background-color:#ffffff"> </span><br>
                                                          <span
                                                          style="color:#ff0000;background-color:#000000">/dev/video0:
                                                          Invalid
                                                          argument
                                                                         </span><br>
                                                          </font></div>
                                                          </blockquote>
                                                          </div>
                                                          </div>
                                                          <div
                                                          dir="auto"><br>
                                                          </div>
                                                          <div
                                                          dir="auto">:(</div>
                                                        </div>
                                                      </blockquote>
                                                    </blockquote>
                                                    <br>
                                                    Yes, 'yuyv422' at
                                                    least not returned
                                                    any errors, but just
                                                    verified 5 fps from
                                                    the encoded file<br>
                                                    <br>
                                                    ffmpeg -hide_banner
                                                    -f video4linux2
                                                    -input_format
                                                    yuyv422 -i
                                                    /dev/video0 out.mkv<br>
                                                    <br>
                                                    ffprobe -hide_banner
                                                    out.mkv<br>
                                                    Input #0,
                                                    matroska,webm, from
                                                    'out.mkv':<br>
                                                      Metadata:<br>
                                                        ENCODER        
                                                    : Lavf58.76.100<br>
                                                      Duration:
                                                    00:00:12.40, start:
                                                    0.000000, bitrate: 2
                                                    kb/s<br>
                                                      Stream #0:0:
                                                    Video: vp9 (Profile
                                                    1), yuv422p(tv,
                                                    progressive),
                                                    1920x1080, 5 fps, 5
                                                    tbr, 1k tbn, 1k tbc
                                                    (default)<br>
                                                        Metadata:<br>
                                                         
                                                    ENCODER         :
                                                    Lavc58.134.100
                                                    libvpx-vp9<br>
                                                         
                                                    DURATION        :
                                                    00:00:12.400000000<br>
                                                    <br>
                                                    Any idea why the
                                                    audio:0kB from 
                                                    '-codec:a pcm_s16le'
                                                    disappeared in the
                                                    encoded files?<br>
                                                    <br>
                                                    <font
                                                      face="monospace">inxi
                                                      -GA<br>
                                                      Graphics: 
                                                      Device-1: NVIDIA
                                                      GK208B [GeForce GT
                                                      730] driver:
                                                      nouveau v: kernel<br>
                                                                
                                                      Device-2: Microdia
                                                      Camera type: USB
                                                      driver:
                                                      snd-usb-audio,uvcvideo<br>
                                                                
                                                      Device-3:
                                                      MacroSilicon USB
                                                      Video type: USB
                                                      driver:
                                                      hid-generic,snd-usb-audio,usbhid,uvcvideo<br>
                                                                
                                                      Display: server:
                                                      SUSE LINUX 1.20.3
                                                      driver: loaded:
                                                      nouveau unloaded:
fbdev,modesetting,vesa<br>
                                                                
                                                      resolution:
                                                      2560x1440~60Hz<br>
                                                                 OpenGL:
                                                      renderer: llvmpipe
                                                      (LLVM 11.0.1 256
                                                      bits) v: 4.5 Mesa
                                                      21.2.4<br>
                                                      Audio:    
                                                      Device-1: Intel
                                                      100 Series/C230
                                                      Series Family HD
                                                      Audio driver:
                                                      snd_hda_intel<br>
                                                                
                                                      Device-2: NVIDIA
                                                      GK208 HDMI/DP
                                                      Audio driver:
                                                      snd_hda_intel<br>
                                                                
                                                      Device-3: Microdia
                                                      Camera type: USB
                                                      driver:
                                                      snd-usb-audio,uvcvideo<br>
                                                                
                                                      Device-4:
                                                      MacroSilicon USB
                                                      Video type: USB
                                                      driver:
                                                      hid-generic,snd-usb-audio,usbhid,uvcvideo<br>
                                                                 Sound
                                                      Server-1: ALSA v:
k5.14.21-150400.24.41-default running: yes<br>
                                                                 Sound
                                                      Server-2:
                                                      PulseAudio v: 15.0
                                                      running: yes<br>
                                                                 Sound
                                                      Server-3: PipeWire
                                                      v: 0.3.49 running:
                                                      yes</font></div>
                                                </blockquote>
                                              </div>
                                            </div>
                                            <div dir="auto"><br>
                                            </div>
                                            <div dir="auto"><br>
                                            </div>
                                            <div dir="auto">I think for
                                              audio you need few more
                                              alsa switches:</div>
                                            <div dir="auto"><br>
                                            </div>
                                            <div dir="auto"><a
href="https://askubuntu.com/questions/1451630/hdmi-capture-card-macrosilicon-ms2109-missing-audio-device-on-ubuntu-22-04"
                                                rel="noreferrer
                                                noreferrer noreferrer
                                                noreferrer noreferrer"
                                                target="_blank"
                                                moz-do-not-send="true"
                                                class="moz-txt-link-freetext">https://askubuntu.com/questions/1451630/hdmi-capture-card-macrosilicon-ms2109-missing-audio-device-on-ubuntu-22-04</a><br>
                                            </div>
                                            <div dir="auto"><br>
                                            </div>
                                            <div dir="auto"><br>
                                            </div>
                                            <div dir="auto">something
                                              like this but find/use
                                              your own alsa device :)</div>
                                          </div>
                                        </blockquote>
                                        <br>
                                        What I feel unused to is the
                                        need to set ffmpeg code both
                                        Audio and Video input format and
                                        input device respectively.<br>
                                        A couple of syntax examples for
                                        audio found:<br>
                                        <br>
                                        ffmpeg \<br>
                                        <br>
                                        -f alsa -ac 2 -i
                                        hw:CARD=HDMI,DEV=0<br>
                                        <a
                                          href="https://trac.ffmpeg.org/wiki/Capture/V4L2_ALSA"
                                          rel="noreferrer noreferrer
                                          noreferrer noreferrer
                                          noreferrer" target="_blank"
                                          moz-do-not-send="true"
                                          class="moz-txt-link-freetext">https://trac.ffmpeg.org/wiki/Capture/V4L2_ALSA</a><br>
                                        <br>
                                        -f pulse -ac 2 -i default<br>
                                        <a
href="https://dev.to/ethand91/how-to-record-webcam-video-and-audio-using-ffmpeg-419c"
                                          rel="noreferrer noreferrer
                                          noreferrer noreferrer
                                          noreferrer" target="_blank"
                                          moz-do-not-send="true"
                                          class="moz-txt-link-freetext">https://dev.to/ethand91/how-to-record-webcam-video-and-audio-using-ffmpeg-419c</a><br>
                                        <br>
                                        Suggestions here what to use
                                        from the listing below?<br>
                                      </div>
                                    </blockquote>
                                  </div>
                                </div>
                                <div dir="auto"><br>
                                </div>
                                <div dir="auto"><br>
                                </div>
                                <div dir="auto">try -f pulse -i default,
                                  (or sysdefault) because your system
                                  already set it up as first rec.
                                  device?</div>
                                <div dir="auto"><br>
                                </div>
                                <div dir="auto">for -f alsa try -i hw:<span
                                    style="font-family:monospace">CARD=MS2109,DEV=0</span></div>
                                <div dir="auto"><span
                                    style="font-family:monospace"><br>
                                  </span></div>
                                <div dir="auto"><span
                                    style="font-family:monospace">default
                                    audio should be 2 ch/48khz pcm</span></div>
                              </div>
                            </blockquote>
                            <br>
                            And the latter fit with my used encoding
                            syntax?</div>
                        </blockquote>
                      </div>
                    </div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto">I hope yes!</div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto">
                      <div class="gmail_quote">
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex">
                          <div> <br>
                            <blockquote>ffmpeg \<br>
                              <blockquote><font face="monospace">-codec:a
                                  pcm_s16le</font><br>
                              </blockquote>
                            </blockquote>
                            Now I will disconnect the Blu-ray burner
                            from its USB3 port on the backpanel and
                            reconnect and retest Video capture there.<br>
                          </div>
                        </blockquote>
                      </div>
                    </div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto">good luck, while I suspect for this
                      specific device it will not improve framerates
                      much due to chip used.</div>
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto">but please share  your actual
                      results!</div>
                  </div>
                </blockquote>
                <br>
                Then i have run through the same test cycle. I could
                actually have stopped already after running "v4l2-ctl
                --list-formats-ext" with regards to the fps.<br>
                Yet I updated the encoding syntaxes and got the audio
                streams seemingly recorded. But for some some reason I
                could not hear any sound in my airphones.<br>
              </div>
            </blockquote>
          </div>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">check input levels in mixer?</div>
      </div>
    </blockquote>
    <br>
    Tried the Alsa mixer. Audio works for other video files like DV with
    PCM, som also the Alsa mixer volum slideer. But not with the
    recorded Pulse default audio.<br>
    <br>
    <blockquote><font face="monospace">cat /proc/asound/cards</font><br>
      <font face="monospace"> 0 [MS2109         ]: USB-Audio - MS2109</font><br>
      <font face="monospace">                      MacroSilicon MS2109
        at usb-0000:00:14.0-9, high speed</font><br>
      <font face="monospace"> 1 [Camera         ]: USB-Audio - USB 2.0
        Camera</font><br>
      <font face="monospace">                      Sonix Technology Co.,
        Ltd. USB 2.0 Camera at usb-0000:00:14.0-11, high speed</font><br>
      <font face="monospace"> 2 [PCH            ]: HDA-Intel - HDA Intel
        PCH</font><br>
      <font face="monospace">                      HDA Intel PCH at
        0xdf420000 irq 138</font><br>
      <font face="monospace"> 3 [NVidia         ]: HDA-Intel - HDA
        NVidia</font><br>
      <font face="monospace">                      HDA NVidia at
        0xdf080000 irq 17</font><br>
      <br>
      <font face="monospace">cat /proc/asound/devices</font><br>
      <font face="monospace">  2: [ 0- 0]: digital audio capture</font><br>
      <font face="monospace">  3: [ 0]   : control</font><br>
      <font face="monospace">  4: [ 1- 0]: digital audio capture</font><br>
      <font face="monospace">  5: [ 1]   : control</font><br>
      <font face="monospace">  6: [ 3- 3]: digital audio playback</font><br>
      <font face="monospace">  7: [ 3- 7]: digital audio playback</font><br>
      <font face="monospace">  8: [ 3- 8]: digital audio playback</font><br>
      <font face="monospace">  9: [ 3- 9]: digital audio playback</font><br>
      <font face="monospace"> 10: [ 3-10]: digital audio playback</font><br>
      <font face="monospace"> 11: [ 3- 0]: hardware dependent</font><br>
      <font face="monospace"> 12: [ 3]   : control</font><br>
      <font face="monospace"> 13: [ 2- 0]: digital audio playback</font><br>
      <font face="monospace"> 14: [ 2- 0]: digital audio capture</font><br>
      <font face="monospace"> 15: [ 2- 2]: digital audio capture</font><br>
      <font face="monospace"> 16: [ 2- 0]: hardware dependent</font><br>
      <font face="monospace"> 17: [ 2]   : control</font><br>
      <font face="monospace"> 33:        : timer</font><br>
      <br>
      <font face="monospace">arecord -l</font><br>
      <font face="monospace">**** List of CAPTURE Hardware Devices ****</font><br>
      <font face="monospace">card 0: MS2109 [MS2109], device 0: USB
        Audio [USB Audio]</font><br>
      <font face="monospace">  Subdevices: 1/1</font><br>
      <font face="monospace">  Subdevice #0: subdevice #0</font><br>
      <font face="monospace">card 1: Camera [USB 2.0 Camera], device 0:
        USB Audio [USB Audio]</font><br>
      <font face="monospace">  Subdevices: 1/1</font><br>
      <font face="monospace">  Subdevice #0: subdevice #0</font><br>
      <font face="monospace">card 2: PCH [HDA Intel PCH], device 0:
        ALC892 Analog [ALC892 Analog]</font><br>
      <font face="monospace">  Subdevices: 1/1</font><br>
      <font face="monospace">  Subdevice #0: subdevice #0</font><br>
      <font face="monospace">card 2: PCH [HDA Intel PCH], device 2:
        ALC892 Alt Analog [ALC892 Alt Analog]</font><br>
      <font face="monospace">  Subdevices: 1/1</font><br>
      <font face="monospace">  Subdevice #0: subdevice #0</font><br>
      <font face="monospace">---------------</font><br>
    </blockquote>
      <br>
    Trial_3_ with ALSA Audio input instead finally playbacks the audio !<br>
    <br>
    As seen from mediainfo output below, the FFV1 1920x1080 video stream
    with 5 fps makes up 94%, the PCM audio 3%<br>
    In comparision the FFV! 720x576 video stream where the Hama ms2109
    capture manages 25 fps, the sizes are 95% and 3%<br>
    -------------<br>
    <br>
    ffmpeg -hide_banner -f alsa -i hw:CARD=MS2109,DEV=0 -f v4l2
    -framerate 25 -video_size 1920x1080 -i /dev/video0 -codec:v v210
    -codec:a pcm_s16le -f matroska 1920x1080_3_v210.mkv<br>
    <br>
    ffprobe -hide_banner 1920x1080_3_ffv1.mkv<br>
    <blockquote><font face="monospace">Input #0, matroska,webm, from
        '1920x1080_3_ffv1.mkv':</font><br>
      <font face="monospace">  Metadata:</font><br>
      <font face="monospace">    ENCODER         : Lavf59.27.100</font><br>
      <font face="monospace">  Duration: 00:00:15.40, start: 0.000000,
        bitrate: 43592 kb/s</font><br>
      <font face="monospace">  Stream #0:0: Video: ffv1 (FFV1 /
        0x31564646), yuv422p(tv, progressive), 1920x1080, 5 fps, 5 tbr,
        1k tbn</font><br>
      <font face="monospace">    Metadata:</font><br>
      <font face="monospace">      ENCODER         : Lavc59.37.100 ffv1</font><br>
      <font face="monospace">      DURATION        : 00:00:15.400000000</font><br>
      <font face="monospace">  Stream #0:1: Audio: pcm_s16le, 48000 Hz,
        2 channels, s16, 1536 kb/s</font><br>
      <font face="monospace">    Metadata:</font><br>
      <font face="monospace">      ENCODER         : Lavc59.37.100
        pcm_s16le</font><br>
      <font face="monospace">      DURATION        : 00:00:15.002000000</font><br>
    </blockquote>
    <br>
    <br>
    mediainfo 1920x1080_3_ffv1.mkv<br>
    <blockquote><font face="monospace">General</font><br>
      <font face="monospace">Unique ID                                :
        161510209095163219124024337758474561604
        (0x7981BC1BFCE8B17818FB537C5AD16844)</font><br>
      <font face="monospace">Complete name                            :
        1920x1080_3_ffv1.mkv</font><br>
      <font face="monospace">Format                                   :
        Matroska</font><br>
      <font face="monospace">Format version                           :
        Version 4</font><br>
      <font face="monospace">File size                                :
        80.0 MiB</font><br>
      <font face="monospace">Duration                                 :
        15 s 400 ms</font><br>
      <font face="monospace">Overall bit rate mode                    :
        Variable</font><br>
      <font face="monospace">Overall bit rate                         :
        43.6 Mb/s</font><br>
      <font face="monospace">Writing application                      :
        Lavf59.27.100</font><br>
      <font face="monospace">Writing library                          :
        Lavf59.27.100</font><br>
      <font face="monospace">ErrorDetectionType                       :
        Per level 1</font><br>
      <br>
      <font face="monospace">Video</font><br>
      <font face="monospace">ID                                       :
        1</font><br>
      <font face="monospace">Format                                   :
        FFV1</font><br>
      <font face="monospace">Format version                           :
        Version 3.4</font><br>
      <font face="monospace">Codec ID                                 :
        V_MS/VFW/FOURCC / FFV1</font><br>
      <font face="monospace">Duration                                 :
        15 s 400 ms</font><br>
      <font face="monospace">Bit rate mode                            :
        Variable</font><br>
      <font face="monospace">Bit rate                                 :
        41.2 Mb/s</font><br>
      <font face="monospace">Width                                    :
        1 920 pixels</font><br>
      <font face="monospace">Height                                   :
        1 080 pixels</font><br>
      <font face="monospace">Display aspect ratio                     :
        16:9</font><br>
      <font face="monospace">Frame rate mode                          :
        Constant</font><br>
      <font face="monospace">Frame rate                               :
        5.000 FPS</font><br>
      <font face="monospace">Color space                              :
        YUV</font><br>
      <font face="monospace">Chroma subsampling                       :
        4:2:2</font><br>
      <font face="monospace">Bit depth                                :
        8 bits</font><br>
      <font face="monospace">Scan type                                :
        Progressive</font><br>
      <font face="monospace">Compression mode                         :
        Lossless</font><br>
      <font face="monospace">Bits/(Pixel*Frame)                       :
        3.973</font><br>
      <font face="monospace">Stream size                              :
        75.6 MiB (94%)</font><br>
      <font face="monospace">Writing library                          :
        Lavc59.37.100 ffv1</font><br>
      <font face="monospace">Default                                  :
        No</font><br>
      <font face="monospace">Forced                                   :
        No</font><br>
      <font face="monospace">Color range                              :
        Limited</font><br>
      <font face="monospace">coder_type                               :
        Golomb Rice</font><br>
      <font face="monospace">MaxSlicesCount                           :
        4</font><br>
      <font face="monospace">ErrorDetectionType                       :
        Per slice</font><br>
      <br>
      <font face="monospace">Audio</font><br>
      <font face="monospace">ID                                       :
        2</font><br>
      <font face="monospace">Format                                   :
        PCM</font><br>
      <font face="monospace">Format settings                          :
        Little / Signed</font><br>
      <font face="monospace">Codec ID                                 :
        A_PCM/INT/LIT</font><br>
      <font face="monospace">Duration                                 :
        15 s 2 ms</font><br>
      <font face="monospace">Bit rate mode                            :
        Constant</font><br>
      <font face="monospace">Bit rate                                 :
        1 536 kb/s</font><br>
      <font face="monospace">Channel(s)                               :
        2 channels</font><br>
      <font face="monospace">Sampling rate                            :
        48.0 kHz</font><br>
      <font face="monospace">Bit depth                                :
        16 bits</font><br>
      <font face="monospace">Stream size                              :
        2.75 MiB (3%)</font><br>
      <font face="monospace">Writing library                          :
        Lavc59.37.100 pcm_s16le</font><br>
      <font face="monospace">Default                                  :
        No</font><br>
      <font face="monospace">Forced                                   :
        No</font><br>
    </blockquote>
    <br>
    <br>
    mediainfo 1920x1080_3_ffv1.mkv | grep size<br>
    <blockquote><font face="monospace">File
        size                                : 80.0 MiB</font><br>
      <font face="monospace">Stream size                              :
        75.6 MiB (94%)</font><br>
      <font face="monospace">Stream size                              :
        2.75 MiB (3%)</font><br>
    </blockquote>
    <br>
    <br>
    <br>
    <blockquote type="cite"
cite="mid:CA+rFky4rutNokm9DvXP0aV4qi2jOnBp+Nb5nvEEgOJjTwuC3sA@mail.gmail.com">
      <div dir="auto">
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">
          <div class="gmail_quote">
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div> <br>
                <font face="monospace"><br>
                  ffmpeg -hide_banner -f pulse -i default -f v4l2
                  -framerate 25 -video_size 1280x720 -i /dev/video0
                  -codec:v ffv1 -level 3 -codec:a pcm_s16le -f matroska
                  1280x720_2_ffv1.mkv<br>
                  <br>
                  ffprobe -hide_banner 1280x720_2_ffv1.mkv<br>
                  Input #0, matroska,webm, from '1280x720_2_ffv1.mkv':<br>
                    Metadata:<br>
                      ENCODER         : Lavf58.76.100<br>
                    Duration: 00:00:32.01, start: 0.000000, bitrate:
                  59320 kb/s<br>
                    Stream #0:0: Video: ffv1 (FFV1 / 0x31564646),
                  yuv422p(tv, progressive), 1280x720, 10 fps, 10 tbr, 1k
                  tbn, 1k tbc (default)<br>
                      Metadata:<br>
                        ENCODER         : Lavc58.134.100 ffv1<br>
                        DURATION        : 00:00:30.200000000<br>
                    Stream #0:1: Audio: pcm_s16le, 48000 Hz, 2 channels,
                  s16, 1536 kb/s (default)<br>
                      Metadata:<br>
                        ENCODER         : Lavc58.134.100 pcm_s16le<br>
                        DURATION        : 00:00:32.012000000<br>
                </font><br>
                <br>
                Is 4KVC00 from "V AV access" still the best option as
                replacement?<br>
              </div>
            </blockquote>
          </div>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">Well, at least they have english-speaking site,
          so you can ask few tech questions there?</div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">But you can try to chase some of those new
          ms2130  (!) devices ....</div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">some ppl on videohelp forum use avermedia's usb
          unit for attempted 576i capture, but device outputs
          pseudo-progressive, so for recovering interlaced signal you
          need some processing anyway ?!</div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><a
href="https://forum.videohelp.com/threads/406125-Panasonic-DMR-Avermedia-Extremecap-Virtualdub-refuse-to-capture-576i-UT"
            moz-do-not-send="true" class="moz-txt-link-freetext">https://forum.videohelp.com/threads/406125-Panasonic-DMR-Avermedia-Extremecap-Virtualdub-refuse-to-capture-576i-UT</a><br>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">also, as timesink you can check ld-decode thread
          in same subforum, project definitely alive but requires real
          hardware mods to vcr and yet another capture card for
          capturing raw RF signal from tape head!</div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">
          <div class="gmail_quote">
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div> <br>
                <br>
                <blockquote type="cite">
                  <div dir="auto">
                    <div dir="auto">
                      <div class="gmail_quote">
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex">
                          <div> <br>
                            Thanks for useful help! <br>
                            <br>
                            <blockquote type="cite">
                              <div dir="auto">
                                <div dir="auto"><span
                                    style="font-family:monospace"><br>
                                  </span></div>
                                <div dir="auto"><span
                                    style="font-family:monospace">see </span></div>
                                <div dir="auto"><font face="monospace"><a
href="https://patchwork.kernel.org/project/alsa-devel/patch/20200702071433.237843-1-marcan@marcan.st/#23469437"
                                      rel="noreferrer noreferrer
                                      noreferrer" target="_blank"
                                      moz-do-not-send="true"
                                      class="moz-txt-link-freetext">https://patchwork.kernel.org/project/alsa-devel/patch/20200702071433.237843-1-marcan@marcan.st/#23469437</a></font><br>
                                </div>
                                <div dir="auto"><br>
                                </div>
                                <div dir="auto">Also, ms2109 confirmed
                                  .. :(</div>
                                <div dir="auto"><br>
                                </div>
                                <div dir="auto"><br>
                                </div>
                                <div dir="auto">
                                  <div class="gmail_quote">
                                    <blockquote class="gmail_quote"
                                      style="margin:0 0 0
                                      .8ex;border-left:1px #ccc
                                      solid;padding-left:1ex">
                                      <div> <br>
                                        <span
                                          style="font-family:monospace"><span
style="color:#000000;background-color:#ffffff">cat /proc/asound/cards </span><br>
                                          0 [MS2109         ]: USB-Audio
                                          - MS2109 <br>
                     MacroSilicon MS2109 at usb-0000:00:14.0-5, high
                                          speed <br>
                                          1 [Camera         ]: USB-Audio
                                          - USB 2.0 Camera <br>
                                                               Sonix
                                          Technology Co., Ltd. USB 2.0
                                          Camera at usb-0000:00:14.0-11,
                                          high speed <br>
                                          2 [PCH            ]: HDA-Intel
                                          - HDA Intel PCH <br>
                                                               HDA Intel
                                          PCH at 0xdf420000 irq 139 <br>
                                          3 [NVidia         ]: HDA-Intel
                                          - HDA NVidia <br>
                                                               HDA
                                          NVidia at 0xdf080000 irq 17<br>
                                          <br>
                                        </span><span
                                          style="font-family:monospace"><span
style="color:#000000;background-color:#ffffff">arecord -L </span><br>
                                          null <br>
                                             Discard all samples
                                          (playback) or generate zero
                                          samples (capture) <br>
                                          sysdefault <br>
                                             Default Audio Device <br>
                                          speexrate <br>
                                             Rate Converter Plugin Using
                                          Speex Resampler <br>
                                          pulse <br>
                                             PulseAudio Sound Server <br>
                                          upmix <br>
                                             Plugin for channel upmix
                                          (4,6,8) <br>
                                          default <br>
                                             Default ALSA Output
                                          (currently PulseAudio Sound
                                          Server) <br>
                                          sysdefault:CARD=MS2109 <br>
                                             MS2109, USB Audio <br>
                                             Default Audio Device <br>
                                          front:CARD=MS2109,DEV=0 <br>
                                             MS2109, USB Audio <br>
                                             Front output / input <br>
                                          sysdefault:CARD=Camera <br>
                                             USB 2.0 Camera, USB Audio <br>
                                             Default Audio Device <br>
                                          front:CARD=Camera,DEV=0 <br>
                                             USB 2.0 Camera, USB Audio <br>
                                             Front output / input <br>
                                          sysdefault:CARD=PCH <br>
                                             HDA Intel PCH, A</span></div>
                                    </blockquote>
                                  </div>
                                </div>
                              </div>
                            </blockquote>
                          </div>
                        </blockquote>
                      </div>
                    </div>
                  </div>
                </blockquote>
              </div>
            </blockquote>
          </div>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
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