[Cin] Analog S-Video or HDV capture via HDMI-USB to FFV1.mkv in realtime
Andrew Randrianasulu
randrianasulu at gmail.com
Wed Feb 8 02:38:38 CET 2023
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.
it really seems to report only 5-10 fps at fullHD uncompresed, anything
bigger is mjpeg ...
https://superuser.com/questions/1449252/ffmpeg-captures-from-uvc-dev-video0-in-any-resolution-except-for-1920x1080
>> 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 camera
>> /dev/video0:
>>
>> ffmpeg -f v4l2 -framerate 25 -video_size 720x576 -i /dev/video0
>> output_data.mkv
>>
>> ffmpeg -f v4l2 -framerate 25 -video_size 720x576 -i /dev/video0 -codec:v
>> ffv1 -codec:a pcm_s16le \
>> -f matroska output_video.mkv
>>
>> Check that video is captured properly using ffplay:
>>
>> ffmpeg -ar 44100 -thread_queue_size 1024 -f alsa -i $AUDIO \
>> -r 25 -thread_queue_size 1024 -i $VIDEO \
>> -codec copy -f matroska - | ffplay -
>>
>> Check the overall flow using ffplay before capturing:
>>
>> ffmpeg -ar 44100 -thread_queue_size 1024 -f alsa -i $AUDIO \
>> -itsoffset -0.5 -r 25 -thread_queue_size 1024 -i $VIDEO \
>> -filter_complex 'channelmap=FL-0' -filter_complex
>> 'crop=w=700:h=556:x=8:y=0' \
>> -map 1:v -map 0:a -codec:v ffv1 -codec:a pcm_s16le \
>> -f matroska - | ffplay -
>>
>>
>>
>> 4, Regarding FFV1 lossless compression in realtime
>> Comparison tests (2013/2015) have shown that FFV1 produced the smallest
>> files at the fastest speed. It can be used to capture SD material in
>> realtime, and HD possibly, too. This according to a 2012/2015 article,
>> where I have extracted the results for FFV1 v.3 in the tables below:
>>
>>
>> http://www.av-rd.com/knowhow/video/comparison_video_codecs_containers.html#codec_tests
>> NOTE: This is a consumer grade, off-the-shelf PC setup.
>>
>> Hardware:
>> CPU: Intel(R) QuadCore(TM) i7-2600K CPU @ 3.40GHz
>> RAM: 8 GB
>> Disk: Intel SSDSA2CW080G3 (SSD)
>> Software:
>> Operating System: GNU/Linux (Xubuntu 12.04.1, 64bit)
>> Transcoding tool: FFmpeg (version git N-59183-g3e62654, Dec 17 2013)
>> Video source file: VQEG reference video "football"
>> <http://media.xiph.org/video/derf/y4m/football_422_ntsc.y4m> (NTSC-SD,
>> 720x486px, 30fps, yuv422p, 8bpc)
>> Codec Encoding Decoding Filesize % of uncompressed Implementation Details
>> FFV1
>> <http://www.av-rd.com/knowhow/video/comparison_video_codecs_containers.html#codec_ffv1>
>> (version 3) 216 fps 277 fps 111 MiB 46.1% libavcodec (FFmpeg)
>> <http://en.wikipedia.org/wiki/Libavcodec> log
>> <http://www.av-rd.com/knowhow/video/test_results/football-720x486i30/ffv1.3-libavcodec_ffmpeg_avi.log>,
>> framemd5
>> <http://www.av-rd.com/knowhow/video/test_results/football-720x486i30/ffv1.3-libavcodec_ffmpeg_avi.framemd5>
>>
>> Video source file: SVT reference video "park joy"
>> <http://media.xiph.org/video/derf/y4m/park_joy_1080p50.y4m>
>> (full-HD/1080p, 1920x1080px, 50fps, yuv420p, 8bpc)
>> Codec Encoding Decoding Filesize % of uncompressed Implementation Details
>> FFV1
>> <http://www.av-rd.com/knowhow/video/comparison_video_codecs_containers.html#codec_ffv1>
>> (version 3) 31 fps 63 fps 879 MiB 57.2% libavcodec (FFmpeg)
>> <http://en.wikipedia.org/wiki/Libavcodec> log
>> <http://www.av-rd.com/knowhow/video/test_results/park_joy-1920x1080p50/ffv1.3-libavcodec_ffmpeg_avi.log>,
>> framemd5
>> <http://www.av-rd.com/knowhow/video/test_results/park_joy-1920x1080p50/ffv1.3-libavcodec_ffmpeg_avi.framemd5>
>>
>>
>> PAL-SD 720x576 stored as YUV422, 10 bpc (bits per component), instead of
>> the tested 8 bpc above, seems to me would have enlarged the the filesizes
>> with about 25%, or to about 40 GB/hr with FFV1 lossless compressed.
>>
>> Although the FFV1 compression results above obviously used yuv422p, 8bps
>> source SD and FHD files as input, it seems for me that the encoding speeds
>> at 216 fps and 31 fps for SD and FHD respectively, assumingly should manage
>> realtime FFV1 encoding and streaming of PAL SD and HDV at 25 fps as well,
>> especially with a faster i7-6700 x 8 cpu. Comments here?
>>
>>
>> 5. Related 2021-[Cin] threads as background references
>>
>> [Cin] hdmi capture card (with v4l2)
>> https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg02865.html
>>
>> [Cin] offtopic: Digitize and record Video with A/D USB adapters
>> https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg03269.html
>>
>> [Cin] offtopic: HDMI capture
>> https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg02084.html
>>
>> [Cin] Is SD and HD 422 Video Capture obtainable with V4L(2)?
>> https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg03719.html
>>
>> [Cin] Uncompressed video to lossless compression FFV1/MKV
>> https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg03791.html
>>
>>
>> --
>> Cin mailing list
>> Cin at lists.cinelerra-gg.org
>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>
>
>
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