<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">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 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" target="_blank">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 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" target="_blank">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 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" target="_blank">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" target="_blank">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" target="_blank">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" target="_blank">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" target="_blank">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
                                                          noreferrer
                                                          noreferrer
                                                          noreferrer noreferrer" target="_blank">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" target="_blank">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" target="_blank">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" target="_blank">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" target="_blank">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" target="_blank">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 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" target="_blank" rel="noreferrer">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, ALC892 Analog <br>
                     Default Audio Device <br>
                  front:CARD=PCH,DEV=0 <br>
                     HDA Intel PCH, ALC892 Analog <br>
                     Front output / input<br>
                  <br>
                </span><br>
                <br>
                <br>
                <br>
                <blockquote type="cite">
                  <div dir="auto">
                    <div dir="auto"><br>
                    </div>
                    <div dir="auto">for laughs you can try cingg's
                      internal v4l2 capture</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 dir="auto"><font face="monospace"><br>
                            </font> <br>
                            <br>
                            <blockquote type="cite">
                              <blockquote type="cite">
                                <div dir="auto">
                                  <div dir="auto"><br>
                                  </div>
                                  <div dir="auto">sorry, may be ask on
                                    ffmpeg support channel then?</div>
                                  <div dir="auto"><br>
                                  </div>
                                  <div dir="auto"><br>
                                  </div>
                                  <div dir="auto">p.s. fake 1080@60 usb
                                    dongles def. exist, made me sad</div>
                                  <div dir="auto"><br>
                                  </div>
                                  <div dir="auto"><a href="https://www.naut.ca/blog/2020/07/09/cheap-hdmi-capture-card-review/" rel="noreferrer noreferrer
                                      noreferrer noreferrer noreferrer
                                      noreferrer noreferrer" target="_blank">https://www.naut.ca/blog/2020/07/09/cheap-hdmi-capture-card-review/</a><br>
                                  </div>
                                  <div dir="auto"><br>
                                  </div>
                                  <div dir="auto">p.p.s may be try to
                                    contact this person so you can
                                    confirm/deny exact chip (set) in
                                    this device, or at very minimum 
                                    confirm it based on something else?</div>
                                  <div dir="auto"><br>
                                  </div>
                                  <div dir="auto"><a href="https://github.com/BertoldVdb/ms-tools" rel="noreferrer noreferrer
                                      noreferrer noreferrer noreferrer noreferrer" target="_blank">https://github.com/BertoldVdb/ms-tools</a><br>
                                  </div>
                                  <div dir="auto"><br>
                                  </div>
                                  <div dir="auto"> "Program, library and
                                    reference designs to develop for
                                    MacroSilicon MS2106/MS2109/MS2130
                                    chips."</div>
                                </div>
                              </blockquote>
                              <br>
                              Interesting stuff. Mat in a previous
                              thread referred to a couple of other links
                              (article test)<br>
                              <a href="https://lists.cinelerra-gg.org/pipermail/cin/2021-October/003960.html" rel="noreferrer noreferrer noreferrer
                                noreferrer noreferrer" target="_blank">https://lists.cinelerra-gg.org/pipermail/cin/2021-October/003960.html</a><br>
                              <br>
                               <br>
                              <blockquote type="cite">
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                                    <div class="gmail_quote">
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                                        <div><br>
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                                          <blockquote type="cite">
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                                                    <div><br>
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                <br>
                                                                 
                                                          Index       :
                                                          1<br>
                                                                 
                                                          Type        :
                                                          Video Capture<br>
                                                                  Pixel
                                                          Format: 'YUYV'<br>
                                                                 
                                                          Name        :
                                                          YUYV 4:2:2<br>
                Size: Discrete 1920x1080<br>
                        Interval: Disc</font></div></blockquote></div></div></div></blockquote></div></blockquote></div></div></div></blockquote></div></blockquote></div></div></div></blockquote></div></blockquote></div></div></div></blockquote></blockquote></div></blockquote></div></div></div></blockquote></div></blockquote></div></div></div></blockquote></div></blockquote></div></div></div>