#include "libuvc.h"
#include "libuvc_internal.h"

Include dependency graph for stream.c:

Functions
static uvc_frame_desc_t *	_uvc_find_frame_desc_stream_if (uvc_streaming_interface_t *stream_if, uint16_t format_id, uint16_t frame_id)
static uint8_t	_uvc_frame_format_matches_guid (uint32_t fourcc, uint8_t guid[16])
static uvc_stream_handle_t *	_uvc_get_stream_by_interface (uvc_device_handle_t *devh, int interface_idx)
static uvc_streaming_interface_t *	_uvc_get_stream_if (uvc_device_handle_t *devh, int interface_idx)
void	_uvc_populate_frame (uvc_stream_handle_t *strmh)
void	_uvc_process_payload (uvc_stream_handle_t strmh, uint8_t payload, size_t payload_len)
void LIBUSB_CALL	_uvc_stream_callback (struct libusb_transfer *transfer)
void	_uvc_swap_buffers (uvc_stream_handle_t *strmh)
void *	_uvc_user_caller (void *arg)
uvc_frame_desc_t *	uvc_find_frame_desc (uvc_device_handle_t *devh, uint16_t format_id, uint16_t frame_id)
uvc_frame_desc_t *	uvc_find_frame_desc_stream (uvc_stream_handle_t *strmh, uint16_t format_id, uint16_t frame_id)
static uint32_t	uvc_frame_format_for_guid (uint8_t guid[16])
uvc_error_t	uvc_get_stream_ctrl_format_size (uvc_device_handle_t devh, uvc_stream_ctrl_t ctrl, uint32_t fourcc, int width, int height, int fps)
uvc_error_t	uvc_probe_stream_ctrl (uvc_device_handle_t devh, uvc_stream_ctrl_t ctrl)
uvc_error_t	uvc_query_stream_ctrl (uvc_device_handle_t devh, uvc_stream_ctrl_t ctrl, uint8_t probe, enum uvc_req_code req)
uvc_error_t	uvc_start_streaming (uvc_device_handle_t devh, uvc_stream_ctrl_t ctrl, uvc_frame_callback_t cb, void user_ptr, uint8_t flags, int num_transfer_buffers)
void	uvc_stop_streaming (uvc_device_handle_t *devh)
	Stop streaming videoCloses all streams, ends threads and cancels pollers.
void	uvc_stream_close (uvc_stream_handle_t *strmh)
	Close stream.Closes stream, frees handle and all streaming resources.
uvc_error_t	uvc_stream_ctrl (uvc_stream_handle_t strmh, uvc_stream_ctrl_t ctrl)
	Reconfigure stream with a new stream format.This may be executed whether or not the stream is running.
uvc_error_t	uvc_stream_get_frame (uvc_stream_handle_t strmh, uvc_frame_t *frame, int32_t timeout_us)
uvc_error_t	uvc_stream_open_ctrl (uvc_device_handle_t devh, uvc_stream_handle_t strmhp, uvc_stream_ctrl_t ctrl)
uvc_error_t	uvc_stream_start (uvc_stream_handle_t strmh, uvc_frame_callback_t cb, void *user_ptr, uint8_t flags, int num_transfer_buffers)
uvc_error_t	uvc_stream_stop (uvc_stream_handle_t *strmh)
	Stop stream.Stops stream, ends threads and cancels pollers.

Function Documentation

static uvc_frame_desc_t* _uvc_find_frame_desc_stream_if	(	uvc_streaming_interface_t *	stream_if,
		uint16_t	format_id,
		uint16_t	frame_id
	)		`[static]`

Definition at line 214 of file stream.c.

static uint8_t _uvc_frame_format_matches_guid	(	uint32_t	fourcc,
		uint8_t	guid[16]
	)		`[static]`

Definition at line 76 of file stream.c.

static uvc_stream_handle_t* _uvc_get_stream_by_interface	(	uvc_device_handle_t *	devh,
		int	interface_idx
	)		`[static]`

Definition at line 608 of file stream.c.

static uvc_streaming_interface_t* _uvc_get_stream_if	(	uvc_device_handle_t *	devh,
		int	interface_idx
	)		`[static]`

Definition at line 619 of file stream.c.

void _uvc_populate_frame ( uvc_stream_handle_t * strmh )

Todo:: this stuff that hits the main config cache should really happen in start() so that only one thread hits these data. all of this stuff is going to be reopen_on_change anyway

Todo:: set the frame time

Definition at line 927 of file stream.c.

void _uvc_process_payload	(	uvc_stream_handle_t *	strmh,
		uint8_t *	payload,
		size_t	payload_len
	)

Todo:: we should be checking the end-of-header bit

Todo:: read the SOF token counter

Definition at line 403 of file stream.c.

void LIBUSB_CALL _uvc_stream_callback ( struct libusb_transfer * transfer )

Definition at line 500 of file stream.c.

void _uvc_swap_buffers ( uvc_stream_handle_t * strmh )

Definition at line 370 of file stream.c.

void * _uvc_user_caller ( void * arg )

Definition at line 895 of file stream.c.

uvc_frame_desc_t * uvc_find_frame_desc	(	uvc_device_handle_t *	devh,
		uint16_t	format_id,
		uint16_t	frame_id
	)

Definition at line 243 of file stream.c.

uvc_frame_desc_t * uvc_find_frame_desc_stream	(	uvc_stream_handle_t *	strmh,
		uint16_t	format_id,
		uint16_t	frame_id
	)

Definition at line 232 of file stream.c.

static uint32_t uvc_frame_format_for_guid ( uint8_t guid[16] ) [static]

Definition at line 80 of file stream.c.

uvc_error_t uvc_probe_stream_ctrl	(	uvc_device_handle_t *	devh,
		uvc_stream_ctrl_t *	ctrl
	)

Todo:: make sure that worked

Definition at line 349 of file stream.c.

uvc_error_t uvc_query_stream_ctrl	(	uvc_device_handle_t *	devh,
		uvc_stream_ctrl_t *	ctrl,
		uint8_t	probe,
		enum uvc_req_code	req
	)

Todo:: support UVC 1.1

Todo:: support UVC 1.1

Definition at line 91 of file stream.c.

Functions

Function Documentation