pjmedia_vid_dev_info Struct Reference

#include <videodev.h>

Data Fields
pjmedia_vid_dev_index	id
char	name [64]
char	driver [32]
pjmedia_dir	dir
pj_bool_t	has_callback
unsigned	caps
unsigned	fmt_cnt
pjmedia_format	fmt [PJMEDIA_VID_DEV_INFO_FMT_CNT]

Detailed Description

Device information structure returned by pjmedia_vid_dev_get_info().

Field Documentation

id

pjmedia_vid_dev_index pjmedia_vid_dev_info::id

The device ID

name

char pjmedia_vid_dev_info::name[64]

The device name

driver

char pjmedia_vid_dev_info::driver[32]

The underlying driver name

dir

pjmedia_dir pjmedia_vid_dev_info::dir

The supported direction of the video device, i.e. whether it supports capture only, render only, or both.

has_callback

pj_bool_t pjmedia_vid_dev_info::has_callback

Specify whether the device supports callback. Devices that implement "active interface" will actively call the callbacks to give or ask for video frames. If the device doesn't support callback, application must actively request or give video frames from/to the device by using pjmedia_vid_dev_stream_get_frame()/pjmedia_vid_dev_stream_put_frame().

caps

unsigned pjmedia_vid_dev_info::caps

Device capabilities, as bitmask combination of pjmedia_vid_dev_cap

fmt_cnt

unsigned pjmedia_vid_dev_info::fmt_cnt

Number of video formats supported by this device

fmt

pjmedia_format pjmedia_vid_dev_info::fmt[PJMEDIA_VID_DEV_INFO_FMT_CNT]

Array of supported video formats. Some fields in each supported video format may be set to zero or of "unknown" value, to indicate that the value is unknown or should be ignored. When these value are not set to zero, it indicates that the exact format combination is being used.

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The documentation for this struct was generated from the following file:

• pjmedia/videodev.h