uvc_v4l2_try_format identifier - Linux source code next-20260811

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- FIXME
  - next-20260811

Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

drivers/media/usb/uvc/uvc_v4l2.c uvc_ioctl_s_fmt() -> uvc_v4l2_try_format()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
PARAM_VALUE	1	fmt	4096-ptr_max
PARAM_VALUE	2	probe	3135901148058939392
PARAM_VALUE	3	uvc_format	4347367369723592704
PARAM_VALUE	4	uvc_frame	8275860099998347264
BUF_SIZE	1	fmt	(-1),128-16383
BUF_SIZE	1	fmt	(-1),128-16383
CAPPED_DATA	0	stream->type	1
CAPPED_DATA	1	fmt->type	1
DATA_SOURCE	1	fmt	$2
PARAM_COMPARE	1	fmt->type	== $0->type
USER_DATA	1	fmt->fmt.meta.buffersize	0-u32max[u]
USER_DATA	1	fmt->fmt.meta.bytesperline	0-u32max[u]
USER_DATA	1	fmt->fmt.meta.dataformat	0-u32max[u]
USER_DATA	1	fmt->fmt.meta.height	0-u32max[u]
USER_DATA	1	fmt->fmt.meta.width	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.bytesperline	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.colorspace	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.field	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.flags	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.height	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.hsv_enc	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.pixelformat	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.priv	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.quantization	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.sizeimage	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.width	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.xfer_func	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.ycbcr_enc	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.colorspace	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.field	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.flags	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.height	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.hsv_enc	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.num_planes	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.pixelformat	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.quantization	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.width	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.xfer_func	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.ycbcr_enc	0-255[u]
USER_DATA	1	fmt->fmt.sdr.buffersize	0-u32max[u]
USER_DATA	1	fmt->fmt.sdr.pixelformat	0-u32max[u]
USER_DATA	1	fmt->fmt.sliced.io_size	0-u32max[u]
USER_DATA	1	fmt->fmt.sliced.service_set	0-u16max[u]
USER_DATA	1	fmt->fmt.vbi.flags	0-u32max[u]
USER_DATA	1	fmt->fmt.vbi.offset	0-u32max[u]
USER_DATA	1	fmt->fmt.vbi.sample_format	0-u32max[u]
USER_DATA	1	fmt->fmt.vbi.samples_per_line	0-u32max[u]
USER_DATA	1	fmt->fmt.vbi.sampling_rate	0-u32max[u]
USER_DATA	1	fmt->fmt.win.chromakey	0-u32max[u]
USER_DATA	1	fmt->fmt.win.clipcount	0-u32max[u]
USER_DATA	1	fmt->fmt.win.field	0-u32max[u]
USER_DATA	1	fmt->fmt.win.global_alpha	0-255[u]
USER_DATA	1	fmt->fmt.win.w.height	0-u32max[u]
USER_DATA	1	fmt->fmt.win.w.left	s32min-s32max[u]
USER_DATA	1	fmt->fmt.win.w.top	s32min-s32max[u]
USER_DATA	1	fmt->fmt.win.w.width	0-u32max[u]
USER_PTR	1	fmt
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/uvc/uvc_v4l2.c uvc_ioctl_try_fmt() -> uvc_v4l2_try_format()

Type	Parameter	Key	Value
PARAM_VALUE	1	fmt	4096-ptr_max
PARAM_VALUE	2	probe	8257004785289908224
PARAM_VALUE	3	uvc_format	0
PARAM_VALUE	4	uvc_frame	0
BUF_SIZE	1	fmt	(-1),128-16383
BUF_SIZE	1	fmt	(-1),128-16383
DATA_SOURCE	1	fmt	$2
USER_DATA	1	fmt->fmt.meta.buffersize	0-u32max[u]
USER_DATA	1	fmt->fmt.meta.bytesperline	0-u32max[u]
USER_DATA	1	fmt->fmt.meta.dataformat	0-u32max[u]
USER_DATA	1	fmt->fmt.meta.height	0-u32max[u]
USER_DATA	1	fmt->fmt.meta.width	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.bytesperline	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.colorspace	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.field	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.flags	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.height	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.hsv_enc	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.pixelformat	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.priv	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.quantization	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.sizeimage	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.width	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.xfer_func	0-u32max[u]
USER_DATA	1	fmt->fmt.pix.ycbcr_enc	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.colorspace	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.field	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.flags	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.height	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.hsv_enc	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.num_planes	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.pixelformat	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.quantization	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.width	0-u32max[u]
USER_DATA	1	fmt->fmt.pix_mp.xfer_func	0-255[u]
USER_DATA	1	fmt->fmt.pix_mp.ycbcr_enc	0-255[u]
USER_DATA	1	fmt->fmt.sdr.buffersize	0-u32max[u]
USER_DATA	1	fmt->fmt.sdr.pixelformat	0-u32max[u]
USER_DATA	1	fmt->fmt.sliced.io_size	0-u32max[u]
USER_DATA	1	fmt->fmt.sliced.service_set	0-u16max[u]
USER_DATA	1	fmt->fmt.vbi.flags	0-u32max[u]
USER_DATA	1	fmt->fmt.vbi.offset	0-u32max[u]
USER_DATA	1	fmt->fmt.vbi.sample_format	0-u32max[u]
USER_DATA	1	fmt->fmt.vbi.samples_per_line	0-u32max[u]
USER_DATA	1	fmt->fmt.vbi.sampling_rate	0-u32max[u]
USER_DATA	1	fmt->fmt.win.chromakey	0-u32max[u]
USER_DATA	1	fmt->fmt.win.clipcount	0-u32max[u]
USER_DATA	1	fmt->fmt.win.field	0-u32max[u]
USER_DATA	1	fmt->fmt.win.global_alpha	0-255[u]
USER_DATA	1	fmt->fmt.win.w.height	0-u32max[u]
USER_DATA	1	fmt->fmt.win.w.left	s32min-s32max[u]
USER_DATA	1	fmt->fmt.win.w.top	s32min-s32max[u]
USER_DATA	1	fmt->fmt.win.w.width	0-u32max[u]
USER_DATA	1	fmt->type	0-u32max[u]
USER_PTR	1	fmt
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/usb/gadget/function/uvc_v4l2.c uvc_v4l2_set_format() -> uvc_v4l2_try_format()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
PARAM_VALUE	1	fmt	0
PARAM_VALUE	2	probe	4096-ptr_max
BUF_SIZE	2	probe	(-1),128-16383
BUF_SIZE	2	probe	(-1),128-16383
DATA_SOURCE	0	stream	$0
DATA_SOURCE	1	fmt	$1
DATA_SOURCE	2	probe	$2
USER_DATA	2	probe->fmt.meta.buffersize	0-u32max[u]
USER_DATA	2	probe->fmt.meta.bytesperline	0-u32max[u]
USER_DATA	2	probe->fmt.meta.dataformat	0-u32max[u]
USER_DATA	2	probe->fmt.meta.height	0-u32max[u]
USER_DATA	2	probe->fmt.meta.width	0-u32max[u]
USER_DATA	2	probe->fmt.pix.bytesperline	0-u32max[u]
USER_DATA	2	probe->fmt.pix.colorspace	0-u32max[u]
USER_DATA	2	probe->fmt.pix.field	0-u32max[u]
USER_DATA	2	probe->fmt.pix.flags	0-u32max[u]
USER_DATA	2	probe->fmt.pix.height	0-u32max[u]
USER_DATA	2	probe->fmt.pix.hsv_enc	0-u32max[u]
USER_DATA	2	probe->fmt.pix.pixelformat	0-u32max[u]
USER_DATA	2	probe->fmt.pix.priv	0-u32max[u]
USER_DATA	2	probe->fmt.pix.quantization	0-u32max[u]
USER_DATA	2	probe->fmt.pix.sizeimage	0-u32max[u]
USER_DATA	2	probe->fmt.pix.width	0-u32max[u]
USER_DATA	2	probe->fmt.pix.xfer_func	0-u32max[u]
USER_DATA	2	probe->fmt.pix.ycbcr_enc	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.colorspace	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.field	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.flags	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.height	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.hsv_enc	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.num_planes	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.pixelformat	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.quantization	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.width	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.xfer_func	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.ycbcr_enc	0-255[u]
USER_DATA	2	probe->fmt.sdr.buffersize	0-u32max[u]
USER_DATA	2	probe->fmt.sdr.pixelformat	0-u32max[u]
USER_DATA	2	probe->fmt.sliced.io_size	0-u32max[u]
USER_DATA	2	probe->fmt.sliced.service_set	0-u16max[u]
USER_DATA	2	probe->fmt.vbi.flags	0-u32max[u]
USER_DATA	2	probe->fmt.vbi.offset	0-u32max[u]
USER_DATA	2	probe->fmt.vbi.sample_format	0-u32max[u]
USER_DATA	2	probe->fmt.vbi.samples_per_line	0-u32max[u]
USER_DATA	2	probe->fmt.vbi.sampling_rate	0-u32max[u]
USER_DATA	2	probe->fmt.win.chromakey	0-u32max[u]
USER_DATA	2	probe->fmt.win.clipcount	0-u32max[u]
USER_DATA	2	probe->fmt.win.field	0-u32max[u]
USER_DATA	2	probe->fmt.win.global_alpha	0-255[u]
USER_DATA	2	probe->fmt.win.w.height	0-u32max[u]
USER_DATA	2	probe->fmt.win.w.left	s32min-s32max[u]
USER_DATA	2	probe->fmt.win.w.top	s32min-s32max[u]
USER_DATA	2	probe->fmt.win.w.width	0-u32max[u]
USER_DATA	2	probe->type	0-u32max[u]
USER_PTR	2	probe
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/v4l2-core/v4l2-ioctl.c v4l_try_fmt() -> (struct v4l2_ioctl_ops)->vidioc_try_fmt_vid_out()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
PARAM_VALUE	1	fmt	0
PARAM_VALUE	2	probe	4096-ptr_max
BUF_SIZE	2	probe	(-1),128-16383
DATA_SOURCE	0	stream	$1
DATA_SOURCE	2	probe	$2
USER_DATA	2	probe->fmt.meta.buffersize	0-u32max[u]
USER_DATA	2	probe->fmt.meta.bytesperline	0-u32max[u]
USER_DATA	2	probe->fmt.meta.dataformat	0-u32max[u]
USER_DATA	2	probe->fmt.meta.height	0-u32max[u]
USER_DATA	2	probe->fmt.meta.width	0-u32max[u]
USER_DATA	2	probe->fmt.pix.bytesperline	0-u32max[u]
USER_DATA	2	probe->fmt.pix.colorspace	0-u32max[u]
USER_DATA	2	probe->fmt.pix.field	0-u32max[u]
USER_DATA	2	probe->fmt.pix.flags	0-u32max[u]
USER_DATA	2	probe->fmt.pix.height	0-u32max[u]
USER_DATA	2	probe->fmt.pix.hsv_enc	0-u32max[u]
USER_DATA	2	probe->fmt.pix.pixelformat	0-u32max[u]
USER_DATA	2	probe->fmt.pix.priv	0-u32max[u]
USER_DATA	2	probe->fmt.pix.quantization	0-u32max[u]
USER_DATA	2	probe->fmt.pix.sizeimage	0-u32max[u]
USER_DATA	2	probe->fmt.pix.width	0-u32max[u]
USER_DATA	2	probe->fmt.pix.xfer_func	0-u32max[u]
USER_DATA	2	probe->fmt.pix.ycbcr_enc	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.colorspace	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.field	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.flags	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.height	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.hsv_enc	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.num_planes	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.pixelformat	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.quantization	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.width	0-u32max[u]
USER_DATA	2	probe->fmt.pix_mp.xfer_func	0-255[u]
USER_DATA	2	probe->fmt.pix_mp.ycbcr_enc	0-255[u]
USER_DATA	2	probe->fmt.sdr.buffersize	0-u32max[u]
USER_DATA	2	probe->fmt.sdr.pixelformat	0-u32max[u]
USER_DATA	2	probe->fmt.sliced.io_size	0-u32max[u]
USER_DATA	2	probe->fmt.sliced.service_set	0-u16max[u]
USER_DATA	2	probe->fmt.vbi.flags	0-u32max[u]
USER_DATA	2	probe->fmt.vbi.offset	0-u32max[u]
USER_DATA	2	probe->fmt.vbi.sample_format	0-u32max[u]
USER_DATA	2	probe->fmt.vbi.samples_per_line	0-u32max[u]
USER_DATA	2	probe->fmt.vbi.sampling_rate	0-u32max[u]
USER_DATA	2	probe->fmt.win.chromakey	0-u32max[u]
USER_DATA	2	probe->fmt.win.clipcount	0-u32max[u]
USER_DATA	2	probe->fmt.win.field	0-u32max[u]
USER_DATA	2	probe->fmt.win.global_alpha	0-255[u]
USER_DATA	2	probe->fmt.win.w.height	0-u32max[u]
USER_DATA	2	probe->fmt.win.w.left	s32min-s32max[u]
USER_DATA	2	probe->fmt.win.w.top	s32min-s32max[u]
USER_DATA	2	probe->fmt.win.w.width	0-u32max[u]
USER_DATA	2	probe->type	0-u32max[u]
USER_PTR	2	probe
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock