[Cin] ms2130 HDMI-USB3 UHD capture card - not quite as expected?

Terje J. Hanssen terjejhanssen at gmail.com
Thu Mar 9 18:36:05 CET 2023



Den 09.03.2023 09:13, skrev Andrew Randrianasulu:
>
>
> чт, 9 мар. 2023 г., 11:07 Terje J. Hanssen <terjejhanssen at gmail.com>:
>
>
>
>     Den 25.02.2023 21:30, skrev Andrew Randrianasulu:
>>
>>
>>     сб, 25 февр. 2023 г., 23:25 Terje J. Hanssen
>>     <terjejhanssen at gmail.com>:
>>
>>
>>
>>         Den 25.02.2023 19:27, skrev Andrew Randrianasulu:
>>>
>>>
>>>         сб, 25 февр. 2023 г., 21:19 Terje J. Hanssen via Cin
>>>         <cin at lists.cinelerra-gg.org>:
>>>
>>>             So I have received the ms2130 HDMI-USB3 capture card.
>>>             The A/D AV converter & SV-HDMI/adapter is not received
>>>             so far, and I have not avialable my HDV camcorder (on
>>>             service) to output HDMI video stream with.
>>>
>>>             Yet, I have initially run some verification tests on the
>>>             ms2130 HDMI-USB3 UHD capture card alone, for what they
>>>             are worth.
>>>
>>>             As "UHD" (and/or USB3) is mostly generic used to
>>>             identify this card (while ms2130 almost not), the some
>>>             output is piped and stripped with grep "UHD".
>>>
>>>             ----------------
>>>
>>>                 dmesg | grep UHD
>>>                 [    2.798210] usb 2-5: Product: USB3.0 UHD
>>>                 [    2.827772] hid-generic 0003:345F:2130.0005:
>>>                 hiddev97,hidraw4: USB HID v1.10 Device [MACROSILICON
>>>                 USB3.0 UHD] on usb-0000:00:14.0-5/input4
>>>                 [    4.805554] usb 2-5: Found UVC 1.00 device USB3.0
>>>                 UHD (345f:2130)
>>>
>>>
>>>                 udevadm info  /dev/video* | egrep
>>>                 'DEVNAME|ID_V4L_PRODUCT'
>>>                 E: DEVNAME=/dev/video0
>>>                 E: ID_V4L_PRODUCT=USB 2.0 Camera: HD 720P Webcam
>>>                 E: DEVNAME=/dev/video1
>>>                 E: ID_V4L_PRODUCT=USB 2.0 Camera: HD 720P Webcam
>>>                 E: DEVNAME=/dev/video2
>>>                 E: ID_V4L_PRODUCT=USB3.0 UHD: USB3.0 UHD
>>>                 E: DEVNAME=/dev/video3
>>>                 E: ID_V4L_PRODUCT=USB3.0 UHD: USB3.0 UHD
>>>
>>>
>>>                 udevadm info  /dev/video* | egrep UHD
>>>                 S:
>>>                 v4l/by-id/usb-MACROSILICON_USB3.0_UHD_20210623-video-index0
>>>                 E: ID_V4L_PRODUCT=USB3.0 UHD: USB3.0 UHD
>>>                 E: ID_MODEL=USB3.0_UHD
>>>                 E: ID_MODEL_ENC=USB3.0\x20UHD
>>>                 E: ID_SERIAL=MACROSILICON_USB3.0_UHD_20210623
>>>                 E:
>>>                 DEVLINKS=/dev/v4l/by-id/usb-MACROSILICON_USB3.0_UHD_20210623-video-index0
>>>                 /dev/v4l/by-path/pci-0000:00:14.0-usb-0:5:1.0-video-index0
>>>                 S:
>>>                 v4l/by-id/usb-MACROSILICON_USB3.0_UHD_20210623-video-index1
>>>                 E: ID_V4L_PRODUCT=USB3.0 UHD: USB3.0 UHD
>>>                 E: ID_MODEL=USB3.0_UHD
>>>                 E: ID_MODEL_ENC=USB3.0\x20UHD
>>>                 E: ID_SERIAL=MACROSILICON_USB3.0_UHD_20210623
>>>                 E:
>>>                 DEVLINKS=/dev/v4l/by-path/pci-0000:00:14.0-usb-0:5:1.0-video-index1
>>>                 /dev/v4l/by-id/usb-MACROSILICON_USB3.0_UHD_20210623-video-index1
>>>
>>>
>>>                 lsusb | grep UHD
>>>                 Bus 002 Device 004: ID 345f:2130 MACROSILICON USB3.0 UHD
>>>
>>>                 cat /proc/asound/cards | grep UHD
>>>                  2 [UHD            ]: USB-Audio - USB3.0 UHD
>>>                 MACROSILICON USB3.0 UHD at usb-0000:00:14.0-5, super
>>>                 speed
>>>
>>>                 ll /dev/video*
>>>                 crw-rw----+ 1 root video 81, 0 feb.  25 14:15
>>>                 /dev/video0
>>>                 crw-rw----+ 1 root video 81, 1 feb.  25 14:15
>>>                 /dev/video1
>>>                 crw-rw----+ 1 root video 81, 2 feb.  25 14:15
>>>                 /dev/video2
>>>                 crw-rw----+ 1 root video 81, 3 feb.  25 14:15
>>>                 /dev/video3
>>>
>>>                 ---------------------
>>>
>>>                 v4l2-ctl --list-devices
>>>                 USB 2.0 Camera: HD 720P Webcam (usb-0000:00:14.0-11):
>>>                         /dev/video0
>>>                         /dev/video1
>>>
>>>                 USB3.0 UHD: USB3.0 UHD (usb-0000:00:14.0-5):
>>>                         /dev/video2
>>>                         /dev/video3
>>>
>>>                 -----------
>>>
>>>                 v4l2-ctl --list-formats-ext
>>>                 ioctl: VIDIOC_ENUM_FMT
>>>                         Index       : 0
>>>                         Type        : Video Capture
>>>                         Pixel Format: 'YUYV'
>>>                         Name        : YUYV 4:2:2
>>>                                 Size: Discrete 640x480
>>>                 Interval: Discrete 0.030s (33.000 fps)
>>>                 Interval: Discrete 0.067s (15.000 fps)
>>>                                 Size: Discrete 1280x720
>>>                 Interval: Discrete 0.100s (10.000 fps)
>>>                                 Size: Discrete 640x360
>>>                 Interval: Discrete 0.030s (33.000 fps)
>>>                 Interval: Discrete 0.067s (15.000 fps)
>>>                             ................
>>>                  Index       : 1
>>>                         Type        : Video Capture
>>>                         Pixel Format: 'MJPG' (compressed)
>>>                         Name        : Motion-JPEG
>>>                                 Size: Discrete 640x480
>>>                 Interval: Discrete 0.030s (33.000 fps)
>>>                 Interval: Discrete 0.067s (15.000 fps)
>>>                                 Size: Discrete 1280x720
>>>                 Interval: Discrete 0.030s (33.000 fps)
>>>                 Interval: Discrete 0.067s (15.000 fps)
>>>                                 Size: Discrete 640x360
>>>                 Interval: Discrete 0.030s (33.000 fps)
>>>                 Interval: Discrete 0.067s (15.000 fps)
>>>                 ......................
>>>
>>>
>>>
>>>             As the above doesn't list any 1920x1080 resolution, I
>>>             wonder if it list just format for the usb2 webcam and
>>>             not for ms2130 capture card?
>>>
>>>
>>>
>>>         Yeah, looking at how webcam listed first it makes sense. Try
>>>         to instruct v4l2-ctl to use another device? (my guess it
>>>         will be "-d" switch but I can be wrong! Manyal or "--help"
>>>         output is better guide ..)
>>
>>         Be aware that "v4l2-ctl --list-formats-ext" was the same (I
>>         think) as used for the previous ms2109 Hama card, and I
>>         thought formats for all connected devices were listed then.
>>         Obviously there is a default (or first device) used, when no
>>         device is specified, so thank you for the tip.
>>
>>         By help of google and "superuser" I found out that actually
>>         both "-D -d /dev/video2" are needed to get both frame sizes
>>         and fps listed:
>>
>>             v4l2-ctl -D -d /dev/video2 --list-formats-ext
>>             Driver Info (not using libv4l2):
>>                     Driver name   : uvcvideo
>>                     Card type     : USB3.0 UHD: USB3.0 UHD
>>                     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
>>             ioctl: VIDIOC_ENUM_FMT
>>                     Index       : 0
>>                     Type        : Video Capture
>>                     Pixel Format: 'YUYV'
>>                     Name        : YUYV 4:2:2
>>                             Size: Discrete 1920x1080
>>                                     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 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)
>>                            ................
>>
>>
>>
>>>
>>>             -------------------------------------
>>>
>>>             Try also ffplay to list supported formats for a
>>>             video4linux2 device:
>>>
>>>                 ffplay -hide_banner -f v4l2 -list_formats all
>>>                 /dev/video2
>>>                 [video4linux2,v4l2 @ 0x7f8280000cc0] Raw :    
>>>                 yuyv422 :           YUYV 4:2:2 : 1920x1080 1600x1200
>>>                 1360x768 1280x1024 1280x960 1280x720 1024x768
>>>                 800x600 720x576 720x480 640x480
>>>                 /dev/video2: Immediate exit requested
>>>                 nan    :  0.000 fd=   0 aq= 0KB vq=    0KB sq=    0B
>>>                 f=0/0
>>>
>>>
>>>
>>>         this one at least list all formats but not their framerates ...
>>>
>>>
>>>
>>>
>>>                 ffplay -hide_banner -f v4l2 -list_formats all
>>>                 /dev/video3
>>>                 [video4linux2,v4l2 @ 0x7f3bd0000cc0]
>>>                 ioctl(VIDIOC_G_INPUT): Inappropriate ioctl for device
>>>                 /dev/video3: Inappropriate ioctl for device
>>>
>>>
>>>             -------------
>>>
>>>             I am not sure about what the following command really
>>>             does, but it was described to
>>>
>>>             "Grab and record the input of a video4linux2 device,
>>>             leave the frame rate and size as previously set:"
>>>
>>>                 ffmpeg -hide_banner -f v4l2 -input_format yuyv422 -i
>>>                 /dev/video2 out_test.mpeg
>>>
>>>                 [video4linux2,v4l2 @ 0x55c22212cfc0] Dequeued v4l2
>>>                 buffer contains corrupted data (0 bytes).
>>>                 Input #0, video4linux2,v4l2, from '/dev/video2':
>>>                   Duration: N/A, start: 0.000000, bitrate: 1990656 kb/s
>>>                   Stream #0:0: Video: rawvideo (YUY2 / 0x32595559),
>>>                 yuyv422, 1920x1080, 1990656 kb/s, 60 fps, 60 tbr,
>>>                 1000k tbn
>>>                 Stream mapping:
>>>                   Stream #0:0 -> #0:0 (rawvideo (native) ->
>>>                 mpeg1video (native))
>>>                 Press [q] to stop, [?] for help
>>>                 [video4linux2,v4l2 @ 0x55c22212cfc0] Dequeued v4l2
>>>                 buffer contains corrupted data (0 bytes).
>>>                     Last message repeated 30 times
>>>                 [mpeg @ 0x55c22214f800] VBV buffer size not set,
>>>                 using default size of 230KB
>>>                 If you want the mpeg file to be compliant to some
>>>                 specification
>>>                 Like DVD, VCD or others, make sure you set the
>>>                 correct buffer size
>>>                 Output #0, mpeg, to 'out_test.mpeg':
>>>                   Metadata:
>>>                     encoder         : Lavf59.27.100
>>>                   Stream #0:0: Video: mpeg1video, yuv420p(tv,
>>>                 progressive), 1920x1080, q=2-31, 200 kb/s, 60 fps,
>>>                 90k tbn
>>>                     Metadata:
>>>                       encoder         : Lavc59.37.100 mpeg1video
>>>                     Side data:
>>>                       cpb: bitrate max/min/avg: 0/0/200000 buffer
>>>                 size: 0 vbv_delay: N/A
>>>                 frame= 1628 fps= 60 q=2.0 Lsize=    4702kB
>>>                 time=03:13:19.68 bitrate= 3.3kbits/s speed= 427x
>>>                 video:4675kB audio:0kB subtitle:0kB other
>>>                 streams:0kB global headers:0kB muxing overhead:
>>>                 0.572162%
>>>                 Exiting normally, received signal 2.
>>>
>>>
>>>
>>>         try 30 fps instead of 60?
>>
>>         Like this?
>>         But shouldn't a 422 and not a 420 output format be created?
>>
>>
>>     it seems in some cases ffmpeg not geared towards preserving most
>>     information, just picks up most commonly defined/first pixel
>>     format. Try mpeg2video as output codec, and/or specify pixel
>>     format (pix_fmt) more explicitly before output's filename?
>

Could you possibly examplify the latter?

If things work as hoped in another thread, I want to test if analog 
Hi8/S-video directly to digital DVD-Video.mpg and SD-BD-Video.mpg is 
possible.
That is bypass the extra step to DV format conversion and compression.

>>     Also you can try 'copy' video codec and meet absolutely enormous
>>     test file.
>>
>>
>>             ffmpeg -hide_banner -f v4l2 -input_format yuyv422
>>             -video_size 1920x1080 -framerate 30 -t 10 -i /dev/video2
>>             out_1920x1024.mpeg
>>             [video4linux2,v4l2 @ 0x564d7d7c3040] Dequeued v4l2 buffer
>>             contains corrupted data (0 bytes).
>>             Input #0, video4linux2,v4l2, from '/dev/video2':
>>               Duration: N/A, start: 0.000000, bitrate: 995328 kb/s
>>               Stream #0:0: Video: rawvideo (YUY2 / 0x32595559),
>>             yuyv422, 1920x1080, 995328 kb/s, 30 fps, 30 tbr, 1000k tbn
>>             Stream mapping:
>>               Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg1video
>>             (native))
>>             Press [q] to stop, [?] for help
>>             [video4linux2,v4l2 @ 0x564d7d7c3040] Dequeued v4l2 buffer
>>             contains corrupted data (0 bytes).
>>                 Last message repeated 30 times
>>             [mpeg @ 0x564d7d7e5a80] VBV buffer size not set, using
>>             default size of 230KB
>>             If you want the mpeg file to be compliant to some
>>             specification
>>             Like DVD, VCD or others, make sure you set the correct
>>             buffer size
>>             Output #0, mpeg, to 'out_1920x1024.mpeg':
>>               Metadata:
>>                 encoder         : Lavf59.27.100
>>               Stream #0:0: Video: mpeg1video, yuv420p(tv,
>>             progressive), 1920x1080, q=2-31, 200 kb/s, 30 fps, 90k tbn
>>                 Metadata:
>>                   encoder         : Lavc59.37.100 mpeg1video
>>                 Side data:
>>                   cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0
>>             vbv_delay: N/A
>>             frame=  301 fps= 30 q=1.6 Lsize=     896kB
>>             time=06:56:05.30 bitrate=   0.3kbits/s speed=2.47e+03x
>>             video:890kB audio:0kB subtitle:0kB other streams:0kB
>>             global headers:0kB muxing overhead: 0.710403%
>>
>>             -----------
>>             ffprobe -hide_banner out_1920x1024.mpeg
>>             Input #0, mpeg, from 'out_1920x1024.mpeg':
>>               Duration: 00:00:10.03, start: 24955.333333, bitrate:
>>             731 kb/s
>>               Stream #0:0[0x1e0]: Video: mpeg1video, yuv420p(tv),
>>             1920x1080 [SAR 1:1 DAR 16:9], 104857 kb/s, 30 fps, 30
>>             tbr, 90k tbn
>>
>>             ------------
>>             mediainfo out_1920x1024.mpeg
>>             General
>>             Complete name                            : out_1920x1024.mpeg
>>             Format                                   : MPEG-PS
>>             File size                                : 896 KiB
>>             Duration                                 : 10 s 33 ms
>>             Overall bit rate mode                    : Variable
>>             Overall bit rate                         : 732 kb/s
>>
>>             Video
>>             ID                                       : 224 (0xE0)
>>             Format                                   : MPEG Video
>>             Format version                           : Version 1
>>             Format settings, BVOP                    : No
>>             Format settings, Matrix                  : Default
>>             Format settings, GOP                     : N=12
>>             Duration                                 : 10 s 33 ms
>>             Bit rate mode                            : Variable
>>             Bit rate                                 : 717 kb/s
>>             Width                                    : 1 920 pixels
>>             Height                                   : 1 080 pixels
>>             Display aspect ratio                     : 16:9
>>             Frame rate                               : 30.000 FPS
>>             Color space                              : YUV
>>             Chroma subsampling                       : 4:2:0
>>             Bit depth                                : 8 bits
>>             Scan type                                : Progressive
>>             Compression mode                         : Lossy
>>             Bits/(Pixel*Frame)                       : 0.012
>>             Time code of first frame                 : 00:00:00:00
>>             Time code source                         : Group of
>>             pictures header
>>             GOP, Open/Closed                         : Open
>>             GOP, Open/Closed of first frame          : Closed
>>             Stream size                              : 878 KiB (98%)
>>
>
>     Alsa identifier for ms2130?
>
>     I'm ready to test with the analog camcorder connectedto
>     A/D-adapter + ms210 capture, but first a question about the Alsa
>     hw: identifier for the latter.
>
>     For the Hama ms2109 I used
>         ffmpeg -f alsa -ac 2 -i hw:CARD=MS2109,DEV=0
>
>     For ms2130 UHD card
>
>         arecord -l
>
>             **** List of CAPTURE Hardware Devices ****
>             ......
>             card 3: UHD [USB3.0 UHD], device 0: USB Audio [USB Audio]
>               Subdevices: 1/1
>               Subdevice #0: subdevice #0
>
>         arecord -L
>
>             .....
>             sysdefault:CARD=UHD
>                 USB3.0 UHD, USB Audio
>                 Default Audio Device
>             front:CARD=UHD,DEV=0
>                 USB3.0 UHD, USB Audio
>                 Front output / input
>
>     Suggestion to
>
>         ffmpeg -f alsa -ac 2 -i hw:?
>     ===
>
>
> just omit hw alsa part (but not -f alsa) so it defaults to sysdefault ? :)
>
> also, try 3:0 (card 3, subdevice 0)
>
> also, may be try /dev/snd/pcm*c devices


1) Test to generate a fake alsa audio file with ms2130

    ffmpeg -hide_banner -f alsa -t 30 out.wav
    Output #0, alsa, to 'out.wav':
    Output file #0 does not contain any stream

That is, it doesn't work without identifying ms2130 card#3, because 
there ar sysdefaults for each card I expect

    ffmpeg -hide_banner -f alsa -i hw:3 -t 30 out.wav
    Guessed Channel Layout for Input Stream #0.0 : stereo
    Input #0, alsa, from 'hw:3':
       Duration: N/A, start: 1678372304.209057, bitrate: 1536 kb/s
       Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
    Stream mapping:
       Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
    Press [q] to stop, [?] for help
    Output #0, wav, to 'out.wav':
       Metadata:
         ISFT            : Lavf59.27.100
       Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
    stereo, s16, 1536 kb/s
         Metadata:
           encoder         : Lavc59.37.100 pcm_s16le
    size=    5625kB time=00:00:30.00 bitrate=1536.1kbits/s speed= 1x
    video:0kB audio:5625kB subtitle:0kB other streams:0kB global
    headers:0kB muxing overhead: 0.001354%


    ffprobe -hide_banner out.wav
    Input #0, wav, from 'out.wav':
       Metadata:
         encoder         : Lavf59.27.100
       Duration: 00:00:30.00, bitrate: 1536 kb/s
       Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
    2 channels, s16, 1536 kb/s

------------

2) Tests to generate fake Video with actual frame sizes and alsa audio  
packaged as ff1.mkv
25 fps (pal) is automatically changed to supported 30 fps - I just 
wonder if that will matter drawback for future playback, editing etc?

    ffmpeg -hide_banner -f alsa -ac 2 -i hw:3 -f v4l2 -framerate 25
    -video_size 720x576 -i /dev/video2 -codec:v ffv1 -level 3 -codec:a
    pcm_s16le -f matroska 720x576_ms2130_ffv1.mkv

    ffprobe -hide_banner 720x576_ms2130_ffv1.mkv
    Input #0, matroska,webm, from '720x576_ms2130_ffv1.mkv':
       Metadata:
         ENCODER         : Lavf59.27.100
       Duration: 00:00:13.07, start: 0.000000, bitrate: 1028 kb/s
       Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv422p(tv,
    progressive), 720x576, 30 fps, 30 tbr, 1k tbn
         Metadata:
           ENCODER         : Lavc59.37.100 ffv1
           DURATION        : 00:00:13.066000000
       Stream #0:1: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
         Metadata:
           ENCODER         : Lavc59.37.100 pcm_s16le
           DURATION        : 00:00:13.036000000

---------------

    ffmpeg -hide_banner -f alsa -ac 2 -i hw:3 -f v4l2 -framerate 25
    -video_size 1280x720 -i /dev/video2 -codec:v ffv1 -level 3 -codec:a
    pcm_s16le -f matroska 1280x720_ms2130_ffv1.mkv

    ffprobe -hide_banner 1280x720_ms2130_ffv1.mkv
    Input #0, matroska,webm, from '1280x720_ms2130_ffv1.mkv':
       Metadata:
         ENCODER         : Lavf59.27.100
       Duration: 08:51:10.37, start: 0.000000, bitrate: 0 kb/s
       Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv422p(tv,
    progressive), 1280x720, 30 fps, 30 tbr, 1k tbn
         Metadata:
           ENCODER         : Lavc59.37.100 ffv1
           DURATION        : 08:51:10.366000000
       Stream #0:1: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
         Metadata:
           ENCODER         : Lavc59.37.100 pcm_s16le
           DURATION        : 00:00:11.924000000

-------------

    ffmpeg -hide_banner -f alsa -ac 2 -i hw:3 -f v4l2 -framerate 25
    -video_size 1920x1080 -i /dev/video2 -codec:v ffv1 -level 3 -codec:a
    pcm_s16le -f matroska 1920x1080_ms2130_ffv1.mkv

    ffprobe -hide_banner 1920x1080_ms2130_ffv1.mkv
    [matroska,webm @ 0x56077d8b8f00] Could not find codec parameters for
    stream 0 (Video: ffv1 (FFV1 / 0x31564646), none(tv, progressive),
    1920x1080): unspecified pixel format
    Consider increasing the value for the 'analyzeduration' (0) and
    'probesize' (5000000) options
    Input #0, matroska,webm, from '1920x1080_ms2130_ffv1.mkv':
       Metadata:
         ENCODER         : Lavf59.27.100
       Duration: 09:01:55.87, start: 0.000000, bitrate: 0 kb/s
       Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), none(tv,
    progressive), 1920x1080, 30 fps, 30 tbr, 1k tbn
         Metadata:
           ENCODER         : Lavc59.37.100 ffv1
           DURATION        : 09:01:55.866000000
       Stream #0:1: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
         Metadata:
           ENCODER         : Lavc59.37.100 pcm_s16le
           DURATION        : 00:00:10.232000000

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