Failed to stream H264 to virtual camera: "does not support 2:4:7:1 colorimetry" #557
Description
My environment
-
v4l2loopbackversion: 0.12.5 -
GStreamer version: 1.16.3
-
kernel version (
uname -a):
5.15.0-84-generic # 93~20.04.1-Ubuntu SMP Wed Sep 6 16:15:40 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux -
Distribution (+version) (
lsb_release -a):
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
Problem Description:
I am trying to stream my USB cam video in H264 format to virtual camera using GStreamer. But i am getting error: does not support 2:4:7:1 colorimetry.
My USB cam (Arducam USB Camera: Arducam USB) support H264 video format.
Trying to stream H264 video from USB camera (/dev/video2) to virtual camera (/dev/video10):
gst-launch-1.0 -v v4l2src device=/dev/video2 ! video/x-h264,width=640,height=480,framerate=30/1 ! v4l2sink device=/dev/video10
Gets Following error:
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Device '/dev/video2' does not support 2:4:7:1 colorimetry
Additional debug info:
gstv4l2object.c(3849): gst_v4l2_object_set_format_full (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
Device wants 2:4:5:1 colorimetry
Execution ended after 0:00:00.019369981
Setting pipeline to NULL ...
Freeing pipeline ...
Trying to get raw video from USB camera (/dev/video0) and convert to H264 and stream to virtual camera (/dev/video10):
gst-launch-1.0 -v v4l2src device=/dev/video0 ! videoscale ! videoconvert ! x264enc ! h264parse ! video/x-h264,stream-format=avc,alignment=au,width=640,height=480,framerate=30/1 ! v4l2sink device=/dev/video10
Gets Following error:
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = video/x-raw, width=(int)640, height=(int)480, framerate=(fraction)30/1, format=(string)YUY2, pixel-aspect-ratio=(fraction)1/1, colorimetry=(string)2:4:5:1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstVideoScale:videoscale0.GstPad:src: caps = video/x-raw, width=(int)640, height=(int)480, framerate=(fraction)30/1, format=(string)YUY2, pixel-aspect-ratio=(fraction)1/1, colorimetry=(string)2:4:5:1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:src: caps = video/x-raw, width=(int)640, height=(int)480, framerate=(fraction)30/1, format=(string)Y42B, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
Redistribute latency...
/GstPipeline:pipeline0/GstX264Enc:x264enc0.GstPad:sink: caps = video/x-raw, width=(int)640, height=(int)480, framerate=(fraction)30/1, format=(string)Y42B, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:sink: caps = video/x-raw, width=(int)640, height=(int)480, framerate=(fraction)30/1, format=(string)YUY2, pixel-aspect-ratio=(fraction)1/1, colorimetry=(string)2:4:5:1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstVideoScale:videoscale0.GstPad:sink: caps = video/x-raw, width=(int)640, height=(int)480, framerate=(fraction)30/1, format=(string)YUY2, pixel-aspect-ratio=(fraction)1/1, colorimetry=(string)2:4:5:1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstX264Enc:x264enc0.GstPad:src: caps = video/x-h264, codec_data=(buffer)017a001effe1001d677a001ebcd940a03db016a0c040a8000003000800000301e478b16cb001000568ebecb22c, stream-format=(string)avc, alignment=(string)au, level=(string)3, profile=(string)high-4:2:2, width=(int)640, height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1, interlace-mode=(string)progressive, colorimetry=(string)bt601, chroma-site=(string)jpeg
/GstPipeline:pipeline0/GstH264Parse:h264parse0.GstPad:src: caps = video/x-h264, codec_data=(buffer)017a001effe1001d677a001ebcd940a03db016a0c040a8000003000800000301e478b16cb001000568ebecb22c, stream-format=(string)avc, alignment=(string)au, level=(string)3, profile=(string)high-4:2:2, width=(int)640, height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1, interlace-mode=(string)progressive, colorimetry=(string)bt601, chroma-site=(string)jpeg, parsed=(boolean)true
/GstPipeline:pipeline0/GstH264Parse:h264parse0.GstPad:sink: caps = video/x-h264, codec_data=(buffer)017a001effe1001d677a001ebcd940a03db016a0c040a8000003000800000301e478b16cb001000568ebecb22c, stream-format=(string)avc, alignment=(string)au, level=(string)3, profile=(string)high-4:2:2, width=(int)640, height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1, interlace-mode=(string)progressive, colorimetry=(string)bt601, chroma-site=(string)jpeg
ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Internal data stream error.
Additional debug info:
../subprojects/gstreamer/libs/gst/base/gstbasesrc.c(3127): gst_base_src_loop (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
streaming stopped, reason not-negotiated (-4)
Execution ended after 0:00:02.491361422
Setting pipeline to NULL ...
Freeing pipeline ...
Successful when trying to stream raw video from /dev/video0 to virtual camera /dev/video10
gst-launch-1.0 -v v4l2src device=/dev/video0 ! video/x-raw,format=YUY2,width=640,height=480,framerate=30/1 ! videoconvert ! v4l2sink device=/dev/video10
Result of gst-device-monitor-1.0:
Device found:
name : Arducam USB Camera: Arducam USB
class : Video/Source
caps : video/x-raw, format=(string)YUY2, width=(int)1920, height=(int)1080, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)5/1;
video/x-raw, format=(string)YUY2, width=(int)1280, height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)10/1;
video/x-raw, format=(string)YUY2, width=(int)800, height=(int)600, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)640, height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
video/x-raw, format=(string)YUY2, width=(int)320, height=(int)240, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
image/jpeg, width=(int)1920, height=(int)1080, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
image/jpeg, width=(int)1280, height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
image/jpeg, width=(int)800, height=(int)600, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 20/1, 15/1, 10/1, 5/1 };
image/jpeg, width=(int)640, height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
image/jpeg, width=(int)320, height=(int)240, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
properties:
udev-probed = true
device.bus_path = pci-0000:00:14.0-usb-0:1:1.0
sysfs.path = /sys/devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1:1.0/video4linux/video0
device.bus = usb
device.subsystem = video4linux
device.vendor.id = 0c45
device.vendor.name = "Arducam\\x20Technology\\x20Co.\\x2c\\x20Ltd."
device.product.id = 6366
device.product.name = "Arducam\ USB\ Camera:\ Arducam\ USB"
device.serial = Arducam_Technology_Co.__Ltd._Arducam_USB_Camera_UC684
device.capabilities = :capture:
device.api = v4l2
device.path = /dev/video0
v4l2.device.driver = uvcvideo
v4l2.device.card = "Arducam\ USB\ Camera:\ Arducam\ USB"
v4l2.device.bus_info = usb-0000:00:14.0-1
v4l2.device.version = 331636 (0x00050f74)
v4l2.device.capabilities = 2225078273 (0x84a00001)
v4l2.device.device_caps = 69206017 (0x04200001)
gst-launch-1.0 v4l2src ! ...
Device found:
name : Arducam USB Camera: Arducam USB
class : Video/Source
caps : video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, width=(int)1920, height=(int)1080, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, width=(int)1280, height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, width=(int)800, height=(int)600, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 20/1, 15/1, 10/1, 5/1 };
video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, width=(int)640, height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1 };
video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, width=(int)320, height=(int)240, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1, 10/1, 5/1 };
properties:
udev-probed = true
device.bus_path = pci-0000:00:14.0-usb-0:1:1.0
sysfs.path = /sys/devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1:1.0/video4linux/video2
device.bus = usb
device.subsystem = video4linux
device.vendor.id = 0c45
device.vendor.name = "Arducam\\x20Technology\\x20Co.\\x2c\\x20Ltd."
device.product.id = 6366
device.product.name = "Arducam\ USB\ Camera:\ Arducam\ USB"
device.serial = Arducam_Technology_Co.__Ltd._Arducam_USB_Camera_UC684
device.capabilities = :capture:
device.api = v4l2
device.path = /dev/video2
v4l2.device.driver = uvcvideo
v4l2.device.card = "Arducam\ USB\ Camera:\ Arducam\ USB"
v4l2.device.bus_info = usb-0000:00:14.0-1
v4l2.device.version = 331636 (0x00050f74)
v4l2.device.capabilities = 2225078273 (0x84a00001)
v4l2.device.device_caps = 69206017 (0x04200001)
gst-launch-1.0 v4l2src device=/dev/video2 ! ...
I also tried with v4l2loopback versions 0.12.6, 0.12.7 and gstreamer version 1.18.6. But same errors.
I would appreciate a prompt response.
Thank you.