чт, 9 февр. 2023 г., 01:13 Terje J. Hanssen <[email protected]>:
> > > Den 08.02.2023 22:47, skrev Andrew Randrianasulu: > > > > чт, 9 февр. 2023 г., 00:38 Terje J. Hanssen <[email protected]>: > >> >> >> Den 08.02.2023 19:15, skrev Andrew Randrianasulu: >> >> >> >> ср, 8 февр. 2023 г., 20:53 Terje J. Hanssen <[email protected]>: >> >>> >>> >>> Den 08.02.2023 16:45, skrev Terje J. Hanssen: >>> >>> >>> >>> Den 08.02.2023 15:34, skrev Andrew Randrianasulu: >>> >>> >>> >>> ср, 8 февр. 2023 г., 17:16 Terje J. Hanssen <[email protected]>: >>> >>>> >>>> >>>> Den 08.02.2023 14:21, skrev Andrew Randrianasulu: >>>> >>>> >>>> >>>> ср, 8 февр. 2023 г., 14:47 Terje J. Hanssen <[email protected]>: >>>> >>>>> >>>>> >>>>> Den 08.02.2023 02:38, skrev Andrew Randrianasulu: >>>>> >>>>> >>>>> >>>>> ср, 8 февр. 2023 г., 04:08 Terje J. Hanssen <[email protected]>: >>>>> >>>>>> >>>>>> >>>>>> Den 08.02.2023 00:52, skrev Andrew Randrianasulu: >>>>>> >>>>>> >>>>>> >>>>>> ср, 8 февр. 2023 г., 01:35 Terje J. Hanssen via Cin < >>>>>> [email protected]>: >>>>>> >>>>>>> >>>>>>> >>>>>>> Den 02.02.2023 01:46, skrev Terje J. Hanssen: >>>>>>> >>>>>>> ....... >>>>>>> >>>>>>> >>>>>>> but I prepare myself to test and use one method left with regards to >>>>>>> "Personal Video Archiving". >>>>>>> >>>>>>> Therefore I have ordered two selected, inexpensive devices (the urls >>>>>>> here are just for English language): >>>>>>> >>>>>>> 1) Capture Card USB HDMI 4K to 1080P USB-C adapter (Speedy USB >>>>>>> 3.2/3.1/3.0, 60 Hz and 1080p FHD.) >>>>>>> >>>>>>> https://www.turascandinavia.com/en/products/computer/microphone-webcam/webcams/74257 >>>>>>> >>>>>>> - Fluid video recordings without delays or distortions during >>>>>>> live streaming >>>>>>> - Linux not mentioned, but assumed this is a standard supported >>>>>>> UVC. OBS and VLC is mentioned. >>>>>>> >>>>>>> >>>>>>> Then the first item, Hama Video Recording Stick, HDMI 4k - USB3.x is >>>>>>> received. It promises: >>>>>>> "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". >>>>>>> >>>>>>> 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. >>>>>>> >>>>>>> But according to Steve Mullen's V1 and FX7 handbook (not mentioned >>>>>>> in the manual): >>>>>>> >>>>>>> 1. When the camera is operating, the EIP (Enhanced Image Processor) >>>>>>> generates uncompressed 1440x1080i with a 4:2:2 color space. 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. >>>>>>> >>>>>>> 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 >>>>>>> chip downscales 1440 to 1280 while it up-scales 540 to 720. The >>>>>>> result is 720p50 or 720p60, which is output via HDMI. >>>>>>> >>>>>>> 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. >>>>>>> >>>>>> >>>>>> Did you tried to force specific format (uncompressed) before -i >>>>>> parameter for ffmpeg? >>>>>> >>>>>> >>>>>> 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: >>>>>> >>>>>> 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 >>>>>> [video4linux2,v4l2 @ 0x55944900e0c0] The driver changed the time per >>>>>> frame from 1/25 to 1/5 >>>>>> >>>>>> I also read a related issue and reply to this post at Superuser, >>>>>> where 1920x1080 was not supported on the webcam. >>>>>> >>>>>> https://superuser.com/questions/1449252/ffmpeg-captures-from-uvc-dev-video0-in-any-resolution-except-for-1920x1080 >>>>>> >>>>>> 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? >>>>>> >>>>>> >>>>>> 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. >>>>>> >>>>>> 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. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>> Someone here that have suggestion to possibly modified syntax or can >>>>>>> verify that the driver doesn't manage this? >>>>>>> >>>>>>> Another (setup) problem, there was no audio recorded or heard during >>>>>>> playback!? >>>>>>> >>>>>>> In the following I list the test command syntax I've collectedf and >>>>>>> tried with shortened output (yet long): >>>>>>> To explain, I have also another USB 2.0 Webcam connected, beside the >>>>>>> new HDMI-USB3 Videstick. >>>>>>> >>>>>>> Verify the devices, drivers and formats: >>>>>>> --------------------------------------- >>>>>>> dmesg | tail >>>>>>> [22706.060759] perf: interrupt took too long (2521 > 2500), lowering >>>>>>> kernel.perf_event_max_sample_rate to 79250 >>>>>>> [32105.561575] perf: interrupt took too long (3158 > 3151), lowering >>>>>>> kernel.perf_event_max_sample_rate to 63250 >>>>>>> [40586.477420] usb 1-5: USB disconnect, device number 2 >>>>>>> [40599.099612] usb 1-5: new high-speed USB device number 5 using >>>>>>> xhci_hcd >>>>>>> [40599.250960] usb 1-5: New USB device found, idVendor=534d, >>>>>>> idProduct=2109, bcdDevice=21.00 >>>>>>> [40599.250972] usb 1-5: New USB device strings: Mfr=1, Product=2, >>>>>>> SerialNumber=0 >>>>>>> [40599.250978] usb 1-5: Product: USB Video >>>>>>> [40599.250984] usb 1-5: Manufacturer: MACROSILICON >>>>>>> [40599.252310] usb 1-5: Found UVC 1.00 device USB Video (534d:2109) >>>>>>> [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 >>>>>>> ----------------------------- >>>>>>> >>>>>>> lsusb >>>>>>> Bus 002 Device 003: ID 05e3:0732 Genesys Logic, Inc. All-in-One >>>>>>> Cardreader >>>>>>> Bus 002 Device 002: ID 0bc2:2038 Seagate RSS LLC Expansion HDD >>>>>>> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub >>>>>>> Bus 001 Device 003: ID 046d:c534 Logitech, Inc. Unifying Receiver >>>>>>> Bus 001 Device 005: ID 534d:2109 MacroSilicon USB Video >>>>>>> Bus 001 Device 004: ID 0c45:6340 Microdia Camera >>>>>>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >>>>>>> >>>>>>> >>>>>>> udevadm info /dev/video* | egrep 'DEVNAME|ID_V4L_PRODUCT' >>>>>>> E: DEVNAME=/dev/video0 >>>>>>> E: ID_V4L_PRODUCT=USB Video: USB Video >>>>>>> E: DEVNAME=/dev/video1 >>>>>>> E: ID_V4L_PRODUCT=USB Video: USB Video >>>>>>> E: DEVNAME=/dev/video2 >>>>>>> E: ID_V4L_PRODUCT=USB 2.0 Camera: HD 720P Webcam >>>>>>> E: DEVNAME=/dev/video3 >>>>>>> E: ID_V4L_PRODUCT=USB 2.0 Camera: HD 720P Webcam >>>>>>> >>>>>>> lsusb | egrep 'Video|Camera' >>>>>>> Bus 001 Device 005: ID 534d:2109 MacroSilicon USB Video >>>>>>> Bus 001 Device 004: ID 0c45:6340 Microdia Camera >>>>>>> >>>>>>> -------------------- >>>>>>> >>>>>>> ll /dev/video* >>>>>>> crw-rw----+ 1 root video 81, 0 feb. 7 20:22 /dev/video0 >>>>>>> crw-rw----+ 1 root video 81, 1 feb. 7 20:22 /dev/video1 >>>>>>> crw-rw----+ 1 root video 81, 2 feb. 7 09:05 /dev/video2 >>>>>>> crw-rw----+ 1 root video 81, 3 feb. 7 09:05 /dev/video3 >>>>>>> >>>>>>> ----------------------- >>>>>>> >>>>>>> v4l2-ctl --list-devices >>>>>>> USB 2.0 Camera: HD 720P Webcam (usb-0000:00:14.0-11): >>>>>>> /dev/video2 >>>>>>> /dev/video3 >>>>>>> >>>>>>> USB Video: USB Video (usb-0000:00:14.0-5): >>>>>>> /dev/video0 >>>>>>> /dev/video1 >>>>>>> >>>>>>> ------------------------- >>>>>>> >>>>>>> ffmpeg -f v4l2 -list_formats all -i /dev/video0 >>>>>>> ffmpeg -hide_banner -f v4l2 -list_formats all -i /dev/video0 >>>>>>> [video4linux2,v4l2 @ 0x556cf63570c0] Compressed: mjpeg >>>>>>> : Motion-JPEG : 1920x1080 1600x1200 1360x768 1280x1024 1280x960 >>>>>>> 1280x720 1024x768 800x600 720x576 720x480 640x480 >>>>>>> [video4linux2,v4l2 @ 0x556cf63570c0] Raw : yuyv422 >>>>>>> : YUYV 4:2:2 : 1920x1080 1600x1200 1360x768 1280x1024 1280x960 >>>>>>> 1280x720 1024x768 800x600 720x576 720x480 640x480 >>>>>>> /dev/video0: Immediate exit requested >>>>>>> >>>>>>> ffmpeg -hide_banner -f v4l2 -list_formats all -i /dev/video1 >>>>>>> [video4linux2,v4l2 @ 0x5560c0bc70c0] ioctl(VIDIOC_G_INPUT): >>>>>>> Inappropriate ioctl for device >>>>>>> /dev/video1: Inappropriate ioctl for device >>>>>>> ---------------- >>>>>>> >>>>>>> v4l2-ctl --all >>>>>>> Driver Info (not using libv4l2): >>>>>>> Driver name : uvcvideo >>>>>>> Card type : USB Video: USB Video >>>>>>> Bus info : usb-0000:00:14.0-5 >>>>>>> Driver version: 5.14.21 >>>>>>> Capabilities : 0x84A00001 >>>>>>> Video Capture >>>>>>> Metadata Capture >>>>>>> Streaming >>>>>>> Extended Pix Format >>>>>>> Device Capabilities >>>>>>> Device Caps : 0x04200001 >>>>>>> Video Capture >>>>>>> Streaming >>>>>>> Extended Pix Format >>>>>>> Priority: 2 >>>>>>> Video input : 0 (Camera 1: ok) >>>>>>> Format Video Capture: >>>>>>> Width/Height : 1920/1080 >>>>>>> Pixel Format : 'MJPG' >>>>>>> Field : None >>>>>>> Bytes per Line : 0 >>>>>>> Size Image : 4147200 >>>>>>> Colorspace : sRGB >>>>>>> Transfer Function : Rec. 709 >>>>>>> YCbCr/HSV Encoding: ITU-R 601 >>>>>>> Quantization : Default (maps to Full Range) >>>>>>> Flags : >>>>>>> Crop Capability Video Capture: >>>>>>> Bounds : Left 0, Top 0, Width 1920, Height 1080 >>>>>>> Default : Left 0, Top 0, Width 1920, Height 1080 >>>>>>> Pixel Aspect: 1/1 >>>>>>> Selection: crop_default, Left 0, Top 0, Width 1920, Height 1080 >>>>>>> Selection: crop_bounds, Left 0, Top 0, Width 1920, Height 1080 >>>>>>> Streaming Parameters Video Capture: >>>>>>> Capabilities : timeperframe >>>>>>> Frames per second: 30.000 (30/1) >>>>>>> Read buffers : 0 >>>>>>> brightness 0x00980900 (int) : min=-128 >>>>>>> max=127 step=1 default=-11 value=-11 >>>>>>> contrast 0x00980901 (int) : min=0 max=255 >>>>>>> step=1 default=148 value=148 >>>>>>> saturation 0x00980902 (int) : min=0 max=255 >>>>>>> step=1 default=180 value=180 >>>>>>> hue 0x00980903 (int) : min=-128 >>>>>>> max=127 step=1 default=0 value=0 >>>>>>> >>>>>>> ----------------- >>>>>>> >>>>>>> v4l2-ctl --list-formats-ext >>>>>>> ioctl: VIDIOC_ENUM_FMT >>>>>>> Index : 0 >>>>>>> Type : Video Capture >>>>>>> Pixel Format: 'MJPG' (compressed) >>>>>>> Name : Motion-JPEG >>>>>>> Size: Discrete 1920x1080 >>>>>>> Interval: Discrete 0.017s (60.000 fps) >>>>>>> Interval: Discrete 0.033s (30.000 fps) >>>>>>> Interval: Discrete 0.040s (25.000 fps) >>>>>>> Interval: Discrete 0.050s (20.000 fps) >>>>>>> Interval: Discrete 0.100s (10.000 fps) >>>>>>> ......... >>>>>>> Size: Discrete 1280x720 >>>>>>> Interval: Discrete 0.017s (60.000 fps) >>>>>>> Interval: Discrete 0.020s (50.000 fps) >>>>>>> Interval: Discrete 0.033s (30.000 fps) >>>>>>> Interval: Discrete 0.050s (20.000 fps) >>>>>>> Interval: Discrete 0.100s (10.000 fps) >>>>>>> ...... >>>>>>> Size: Discrete 720x576 >>>>>>> Interval: Discrete 0.017s (60.000 fps) >>>>>>> Interval: Discrete 0.020s (50.000 fps) >>>>>>> Interval: Discrete 0.033s (30.000 fps) >>>>>>> Interval: Discrete 0.050s (20.000 fps) >>>>>>> Interval: Discrete 0.100s (10.000 fps) >>>>>>> >>>>>> >>>>> >>>>> well, it seems we know by now why this device was ...unexpensive. >>>>> >>>>> >>>>> Yes, I have a "90-days open order" and will start to search for >>>>> another, better UVC video capture device. >>>>> The problem is the lack of definitive specifications, compared with my >>>>> proprietary BMD devices. >>>>> >>>>> >>>>> it really seems to report only 5-10 fps at fullHD uncompresed, >>>>> anything bigger is mjpeg ... >>>>> >>>>> >>>>> Type : Video Capture >>>>> Pixel Format: 'YUYV' >>>>> Name : YUYV 4:2:2 >>>>> Size: Discrete 1920x1080 >>>>> Interval: Discrete 0.200s (5.000 fps) >>>>> >>>>> This can absolutely not be what they promote as: >>>>> "Fluid video recordings without delays or distortions during live >>>>> streaming, thanks to a picture frequency of 60 Hz and 1080p with Full HD". >>>>> >>>>> >>>>> >>>>> https://superuser.com/questions/1449252/ffmpeg-captures-from-uvc-dev-video0-in-any-resolution-except-for-1920x1080 >>>>> >>>>> >>>>> I also tried that link's suggested syntax >>>>> >>>>> ffmpeg -y -t 15 -f video4linux2 -video_size 1920x1080 -input_format nv12 >>>>> -timestamps abs -use_libv4l2 1 -i /dev/video0 out.mov >>>>> >>>>> but it didn't work for me, just quitted ffmpeg with >>>>> >>>>> Unrecognized option 'timestamps'. >>>>> Error splitting the argument list: Option not found >>>>> >>>>> Looking at ffmpeg man pages at https://manpages.org/ffmpeg/1 there >>>>> also is a similar video4linux2 syntax example >>>>> >>>>> Grab and record the input of a video4linux2 device, leave the frame >>>>> rate and size as previously set: >>>>> ffmpeg -f video4linux2 -input_format mjpeg -i /dev/video0 out.mpeg >>>>> >>>>> >>>>> - video_size >>>>> - Set the video frame size. The argument must be a string in >>>>> the form WIDTHxHEIGHT or a valid size abbreviation. >>>>> - pixel_format >>>>> - Select the pixel format (only valid for raw video input). >>>>> - input_format >>>>> - 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. >>>>> >>>>> But what should be set as input_format in this case? >>>>> >>>>> >>>> YUYV ? (lowercase) >>>> >>>> >>>> ffmpeg -hide_banner -f video4linux2 -input_format yuyv -i /dev/video0 >>>> out.mkv >>>> [video4linux2,v4l2 @ 0x55b25017e0c0] No such input format: yuyv. >>>> /dev/video0: Invalid argument >>>> >>> >>> :( >>> >>> >>> Yes, 'yuyv422' at least not returned any errors, but just verified 5 fps >>> from the encoded file >>> >>> ffmpeg -hide_banner -f video4linux2 -input_format yuyv422 -i /dev/video0 >>> out.mkv >>> >>> ffprobe -hide_banner out.mkv >>> Input #0, matroska,webm, from 'out.mkv': >>> Metadata: >>> ENCODER : Lavf58.76.100 >>> Duration: 00:00:12.40, start: 0.000000, bitrate: 2 kb/s >>> Stream #0:0: Video: vp9 (Profile 1), yuv422p(tv, progressive), >>> 1920x1080, 5 fps, 5 tbr, 1k tbn, 1k tbc (default) >>> Metadata: >>> ENCODER : Lavc58.134.100 libvpx-vp9 >>> DURATION : 00:00:12.400000000 >>> >>> Any idea why the audio:0kB from '-codec:a pcm_s16le' disappeared in the >>> encoded files? >>> >>> inxi -GA >>> Graphics: Device-1: NVIDIA GK208B [GeForce GT 730] driver: nouveau v: >>> kernel >>> Device-2: Microdia Camera type: USB driver: >>> snd-usb-audio,uvcvideo >>> Device-3: MacroSilicon USB Video type: USB driver: >>> hid-generic,snd-usb-audio,usbhid,uvcvideo >>> Display: server: SUSE LINUX 1.20.3 driver: loaded: nouveau >>> unloaded: fbdev,modesetting,vesa >>> resolution: 2560x1440~60Hz >>> OpenGL: renderer: llvmpipe (LLVM 11.0.1 256 bits) v: 4.5 Mesa >>> 21.2.4 >>> Audio: Device-1: Intel 100 Series/C230 Series Family HD Audio >>> driver: snd_hda_intel >>> Device-2: NVIDIA GK208 HDMI/DP Audio driver: snd_hda_intel >>> Device-3: Microdia Camera type: USB driver: >>> snd-usb-audio,uvcvideo >>> Device-4: MacroSilicon USB Video type: USB driver: >>> hid-generic,snd-usb-audio,usbhid,uvcvideo >>> Sound Server-1: ALSA v: k5.14.21-150400.24.41-default >>> running: yes >>> Sound Server-2: PulseAudio v: 15.0 running: yes >>> Sound Server-3: PipeWire v: 0.3.49 running: yes >>> >> >> >> I think for audio you need few more alsa switches: >> >> >> https://askubuntu.com/questions/1451630/hdmi-capture-card-macrosilicon-ms2109-missing-audio-device-on-ubuntu-22-04 >> >> >> something like this but find/use your own alsa device :) >> >> >> What I feel unused to is the need to set ffmpeg code both Audio and Video >> input format and input device respectively. >> A couple of syntax examples for audio found: >> >> ffmpeg \ >> >> -f alsa -ac 2 -i hw:CARD=HDMI,DEV=0 >> https://trac.ffmpeg.org/wiki/Capture/V4L2_ALSA >> >> -f pulse -ac 2 -i default >> >> https://dev.to/ethand91/how-to-record-webcam-video-and-audio-using-ffmpeg-419c >> >> Suggestions here what to use from the listing below? >> > > > try -f pulse -i default, (or sysdefault) because your system already set > it up as first rec. device? > > for -f alsa try -i hw:CARD=MS2109,DEV=0 > > default audio should be 2 ch/48khz pcm > > > And the latter fit with my used encoding syntax? > I hope yes! > ffmpeg \ > > -codec:a pcm_s16le > > Now I will disconnect the Blu-ray burner from its USB3 port on the > backpanel and reconnect and retest Video capture there. > good luck, while I suspect for this specific device it will not improve framerates much due to chip used. but please share your actual results! > > Thanks for useful help! > > > see > > https://patchwork.kernel.org/project/alsa-devel/patch/[email protected]/#23469437 > > Also, ms2109 confirmed .. :( > > > >> cat /proc/asound/cards >> 0 [MS2109 ]: USB-Audio - MS2109 >> MacroSilicon MS2109 at usb-0000:00:14.0-5, high >> speed >> 1 [Camera ]: USB-Audio - USB 2.0 Camera >> Sonix Technology Co., Ltd. USB 2.0 Camera at >> usb-0000:00:14.0-11, high speed >> 2 [PCH ]: HDA-Intel - HDA Intel PCH >> HDA Intel PCH at 0xdf420000 irq 139 >> 3 [NVidia ]: HDA-Intel - HDA NVidia >> HDA NVidia at 0xdf080000 irq 17 >> >> arecord -L >> null >> Discard all samples (playback) or generate zero samples (capture) >> sysdefault >> Default Audio Device >> speexrate >> Rate Converter Plugin Using Speex Resampler >> pulse >> PulseAudio Sound Server >> upmix >> Plugin for channel upmix (4,6,8) >> default >> Default ALSA Output (currently PulseAudio Sound Server) >> sysdefault:CARD=MS2109 >> MS2109, USB Audio >> Default Audio Device >> front:CARD=MS2109,DEV=0 >> MS2109, USB Audio >> Front output / input >> sysdefault:CARD=Camera >> USB 2.0 Camera, USB Audio >> Default Audio Device >> front:CARD=Camera,DEV=0 >> USB 2.0 Camera, USB Audio >> Front output / input >> sysdefault:CARD=PCH >> HDA Intel PCH, ALC892 Analog >> Default Audio Device >> front:CARD=PCH,DEV=0 >> HDA Intel PCH, ALC892 Analog >> Front output / input >> >> >> >> >> >> >> for laughs you can try cingg's internal v4l2 capture >> >> >> >> >>> >>> >>> >>> sorry, may be ask on ffmpeg support channel then? >>> >>> >>> p.s. fake 1080@60 usb dongles def. exist, made me sad >>> >>> https://www.naut.ca/blog/2020/07/09/cheap-hdmi-capture-card-review/ >>> >>> 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? >>> >>> https://github.com/BertoldVdb/ms-tools >>> >>> "Program, library and reference designs to develop for MacroSilicon >>> MS2106/MS2109/MS2130 chips." >>> >>> >>> Interesting stuff. Mat in a previous thread referred to a couple of >>> other links (article test) >>> https://lists.cinelerra-gg.org/pipermail/cin/2021-October/003960.html >>> >>> >>> >>> >>> >>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>>>> Index : 1 >>>>>>> Type : Video Capture >>>>>>> Pixel Format: 'YUYV' >>>>>>> Name : YUYV 4:2:2 >>>>>>> Size: Discrete 1920x1080 >>>>>>> Interval: Disc >>>>>>> >>>>>>
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