[Cin] Analog S-Video or HDV capture via HDMI-USB to FFV1.mkv in realtime
Andrew Randrianasulu
randrianasulu at gmail.com
Wed Feb 8 19:15:55 CET 2023
ср, 8 февр. 2023 г., 20:53 Terje J. Hanssen <terjejhanssen at gmail.com>:
>
>
> Den 08.02.2023 16:45, skrev Terje J. Hanssen:
>
>
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> Den 08.02.2023 15:34, skrev Andrew Randrianasulu:
>
>
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> ср, 8 февр. 2023 г., 17:16 Terje J. Hanssen <terjejhanssen at gmail.com>:
>
>>
>>
>> Den 08.02.2023 14:21, skrev Andrew Randrianasulu:
>>
>>
>>
>> ср, 8 февр. 2023 г., 14:47 Terje J. Hanssen <terjejhanssen at gmail.com>:
>>
>>>
>>>
>>> Den 08.02.2023 02:38, skrev Andrew Randrianasulu:
>>>
>>>
>>>
>>> ср, 8 февр. 2023 г., 04:08 Terje J. Hanssen <terjejhanssen at gmail.com>:
>>>
>>>>
>>>>
>>>> Den 08.02.2023 00:52, skrev Andrew Randrianasulu:
>>>>
>>>>
>>>>
>>>> ср, 8 февр. 2023 г., 01:35 Terje J. Hanssen via Cin <
>>>> cin at lists.cinelerra-gg.org>:
>>>>
>>>>>
>>>>>
>>>>> 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 :)
for laughs you can try cingg's internal v4l2 capture
>
>
>
> sorry, may be ask on ffmpeg support channel then?
>
>
> p.s. fake 1080 at 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: Discrete 0.200s (5.000 fps)
>>>>> ......
>>>>> Size: Discrete 1280x720
>>>>> Interval: Discrete 0.100s (10.000 fps)
>>>>> .......
>>>>> Size: Discrete 720x576
>>>>> Interval: Discrete 0.040s (25.000 fps)
>>>>> Interval: Discrete 0.050s (20.000 fps)
>>>>> Interval: Discrete 0.100s (10.000 fps)
>>>>> Interval: Discrete 0.200s (5.000 fps)
>>>>> .........
>>>>>
>>>>> Encoding:
>>>>> --------
>>>>> ffmpeg -hide_banner -f v4l2 -framerate 25 -video_size 720x576 -i
>>>>> /dev/video0 -codec:v ffv1 -codec:a pcm_s16le -f matroska 720x576_ffv1.mkv
>>>>>
>>>>> ffmpeg -hide_banner -f v4l2 -framerate 25 -video_size 1280x720 -i
>>>>> /dev/video0 -codec:v ffv1 -codec:a pcm_s16le -f matroska 1280x720_ffv1.mkv
>>>>> [video4linux2,v4l2 @ 0x559d031190c0] The driver changed the time per
>>>>> frame from 1/25 to 1/10
>>>>>
>>>>> ffmpeg -hide_banner -f v4l2 -framerate 25 -video_size 1920x1080 -i
>>>>> /dev/video0 -codec:v ffv1 -codec:a pcm_s16le -f matroska 1920x1080_ffv1.mkv
>>>>> [video4linux2,v4l2 @ 0x55ce18d060c0] The driver changed the time per
>>>>> frame from 1/25 to 1/5
>>>>>
>>>>> 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
>>>>>
>>>>>
>>>>> Recorded test video files and probing formats:
>>>>> ---------------------------------------------
>>>>>
>>>>> du -sh *
>>>>> 258M 1280x720_ffv1.mkv
>>>>> 292M 1920x1080_ffv1.mkv
>>>>> 1,1G 1920x1080_v210.mkv
>>>>> 61M 720x576_ffv1.mkv
>>>>> -----------------------------
>>>>>
>>>>>
>>>>> ffprobe -hide_banner 720x576_ffv1.mkv
>>>>> Input #0, matroska,webm, from '720x576_ffv1.mkv':
>>>>> Metadata:
>>>>> ENCODER : Lavf58.76.100
>>>>> Duration: 00:00:09.20, start: 0.000000, bitrate: 55385 kb/s
>>>>> Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv422p(tv,
>>>>> progressive), 720x576, 25 fps, 25 tbr, 1k tbn, 1k tbc (default)
>>>>> Metadata:
>>>>> ENCODER : Lavc58.134.100 ffv1
>>>>> DURATION : 00:00:09.200000000
>>>>> -----------
>>>>>
>>>>> ffprobe -hide_banner 1280x720_ffv1.mkv
>>>>> Input #0, matroska,webm, from '1280x720_ffv1.mkv':
>>>>> Metadata:
>>>>> ENCODER : Lavf58.76.100
>>>>> Duration: 00:00:38.90, start: 0.000000, bitrate: 55512 kb/s
>>>>> Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv422p(tv,
>>>>> progressive), 1280x720, 10 fps, 10 tbr, 1k tbn, 1k tbc (default)
>>>>> Metadata:
>>>>> ENCODER : Lavc58.134.100 ffv1
>>>>> DURATION : 00:00:38.900000000
>>>>> --------------
>>>>>
>>>>> ffprobe -hide_banner 1920x1080_ffv1.mkv
>>>>> Input #0, matroska,webm, from '1920x1080_ffv1.mkv':
>>>>> Metadata:
>>>>> ENCODER : Lavf58.76.100
>>>>> Duration: 00:00:53.40, start: 0.000000, bitrate: 45747 kb/s
>>>>> Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv422p(tv,
>>>>> progressive), 1920x1080, 5 fps, 5 tbr, 1k tbn, 1k tbc (default)
>>>>> Metadata:
>>>>> ENCODER : Lavc58.134.100 ffv1
>>>>> DURATION : 00:00:53.400000000
>>>>> ----------------
>>>>>
>>>>> ffprobe -hide_banner 1920x1080_v210.mkv
>>>>> [matroska,webm @ 0x5563ca6d30c0] Stream #0: not enough frames to
>>>>> estimate rate; consider increasing probesize
>>>>> Input #0, matroska,webm, from '1920x1080_v210.mkv':
>>>>> Metadata:
>>>>> ENCODER : Lavf58.76.100
>>>>> Duration: 00:00:41.40, start: 0.000000, bitrate: 221185 kb/s
>>>>> Stream #0:0: Video: v210 (v210 / 0x30313276), yuv422p10le(tv,
>>>>> progressive), 1920x1080, 5 fps, 1k tbr, 1k tbn, 1k tbc (default)
>>>>> Metadata:
>>>>> ENCODER : Lavc58.134.100 v210
>>>>> DURATION : 00:00:41.400000000
>>>>>
>>>>> ---------------------------
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 2) Scart AV SV to HDMI Converter Switcher S Video Composite RCA DVD HD
>>>>> TV adapter (3-4 weeks delivery time
>>>>> https://www.ebay.com.au/itm/295472602625
>>>>>
>>>>> - The 3-in-1 S-/video/RCA/SCART to HDMI converter is a universal
>>>>> converter for analog video input to HDMI output.
>>>>> - Analog to digital converter (ADC), 10 bits maximum 1,62 MSPS
>>>>> sampling,
>>>>>
>>>>>
>>>>>
>>>>> Q I have not yet found a definitiv ffmpeg FFV1 v 3 syntax guide for SD
>>>>> and HDV capturing and hope for suggestions and comments here!?
>>>>>
>>>>> 3.1 FFmpeg recipe (PAL)
>>>>>
>>>>> ffmpeg -i VIDEO_IN \
>>>>>
>>>>> -c:v ffv1 -level 3 -coder 1 -context 0 -slices 24 -slicecrc 1 \
>>>>> -color_primaries bt470bg \
>>>>> -color_trc bt709 \
>>>>> -colorspace bt470bg \
>>>>> -color_range mpeg \
>>>>> -map 0 \
>>>>> -top 1 \
>>>>> -c:a copy \
>>>>> -g 1 -pix_fmt + \
>>>>> VIDEO_OUT.mkv
>>>>>
>>>>>
>>>>> 3.2 Reference Example
>>>>> https://trac.ffmpeg.org/wiki/Encode/FFV1
>>>>>
>>>>> Copy audio "as-is" and use FFV1.3 as video codec.
>>>>>
>>>>> Parameters are 8 threads, coder=1, context=1, GOP-size=1, 24
>>>>> slices and slice-CRC on:
>>>>>
>>>>> ffmpeg -i <input_video> \
>>>>> -acodec copy \
>>>>> -vcodec ffv1 -level 3 \
>>>>> -threads 8 \
>>>>> -coder 1 \
>>>>> -context 1 \
>>>>> -g 1 \
>>>>> -slices 24 \
>>>>> -slicecrc 1 \
>>>>> <output_video>
>>>>>
>>>>>
>>>>> 3.3 Various Encoding examples for Video capture from USB
>>>>>
>>>>>
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