I have the same issues, although Cheese doesnt get choppy for me until
after a few minutes of recording approximately 2 and half minutes. Alot
of times if I record longer than that it will also, not properly create
the temp video.
I only use 640x480 mode.
This is my v4l-info
### v4l2 device info [/dev/video0] ###
general info
VIDIOC_QUERYCAP
driver : "uvcvideo"
card : "CNF7047"
bus_info : "usb-0000:00:04.1-2"
version : 0.1.0
capabilities : 0x4000001 [VIDEO_CAPTURE,STREAMING]
standards
inputs
VIDIOC_ENUMINPUT(0)
index : 0
name : "Camera 1"
type : CAMERA
audioset : 0
tuner : 0
std : 0x0 []
status : 0x0 []
video capture
VIDIOC_ENUM_FMT(0,VIDEO_CAPTURE)
index : 0
type : VIDEO_CAPTURE
flags : 0
description : "YUV 4:2:2 (YUYV)"
pixelformat : 0x56595559 [YUYV]
VIDIOC_G_FMT(VIDEO_CAPTURE)
type : VIDEO_CAPTURE
fmt.pix.width : 640
fmt.pix.height : 480
fmt.pix.pixelformat : 0x56595559 [YUYV]
fmt.pix.field : NONE
fmt.pix.bytesperline : 1280
fmt.pix.sizeimage : 614400
fmt.pix.colorspace : SRGB
fmt.pix.priv : 0
controls
VIDIOC_QUERYCTRL(BASE+0)
id : 9963776
type : INTEGER
name : "Brightness"
minimum : -64
maximum : 64
step : 1
default_value : -20
flags : 0
VIDIOC_QUERYCTRL(BASE+1)
id : 9963777
type : INTEGER
name : "Contrast"
minimum : 0
maximum : 95
step : 1
default_value : 35
flags : 0
VIDIOC_QUERYCTRL(BASE+2)
id : 9963778
type : INTEGER
name : "Saturation"
minimum : 0
maximum : 128
step : 1
default_value : 90
flags : 0
VIDIOC_QUERYCTRL(BASE+3)
id : 9963779
type : INTEGER
name : "Hue"
minimum : -40
maximum : 40
step : 1
default_value : -10
flags : 0
### video4linux device info [/dev/video0] ###
general info
VIDIOCGCAP
name : "CNF7047"
type : 0x1 [CAPTURE]
channels : 1
audios : 0
maxwidth : 640
maxheight : 480
minwidth : 48
minheight : 32
channels
VIDIOCGCHAN(0)
channel : 0
name : "Camera 1"
tuners : 0
flags : 0x0 []
type : CAMERA
norm : 0
tuner
ioctl VIDIOCGTUNER: Invalid argument
audio
ioctl VIDIOCGAUDIO: Invalid argument
picture
VIDIOCGPICT
brightness : 22528
hue : 24576
colour : 46079
contrast : 24144
whiteness : 4287
depth : 16
palette : YUYV
buffer
ioctl VIDIOCGFBUF: Invalid argument
window
VIDIOCGWIN
x : 0
y : 0
width : 640
height : 480
chromakey : 0
flags : 0
--
video mode (very) choppy when used in higher resulutions
https://bugs.launchpad.net/bugs/590107
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