pyvar.multimedia

pyvar.multimedia.helper

platform

Unix/Yocto

synopsis

Classes to handle Multimedia capabilities.

class pyvar.multimedia.helper.Caps

Class to handle the video caps device.

Variables

• name – video name;

• format – caps format;

• width – caps width;

• height – caps height;

• framerate – caps framerate.

class pyvar.multimedia.helper.Devices

Class to handle the devices.

Variables

devices – devices from device monitor.

static get_device_caps(dev_caps)

static get_std_caps(dev_caps)

get_video_devices()

Get the available devices from device monitor.

search_device(dev_name)

Check if the device is valid or not.

class pyvar.multimedia.helper.Multimedia(source=None, resolution=None)

Class to handle the Multimedia resources.

Variables

• video_src – video source;

• resolution – video source resolution;

• devices – video devices;

• sink – video capture.

destroy()

Release and destroy the video capture from video source.

get_caps()

Get the caps from device.

Returns

The valid resolution.

get_frame()

Get the frame from video source.

Returns

The current frame.

loop()

Check if the video source still have frames or not.

static save(name=None, output_frame=None)

Save any frame as an output file.

set_v4l2_config()

Set the v4l2 configuration.

show(name=None, output_frame=None)

Show any frame.

static show_image(title=None, image=None)

Show any image.

static v4l2_camera_pipeline(width, height, device, framerate)

Set the v4l2 configuration for camera device.

static v4l2_video_pipeline(filesrc)

Set the v4l2 configuration for video source file.

validate_caps(caps)

Check if the resolution is valid.

Returns

The valid resolution or default one.

class pyvar.multimedia.helper.VideoDevice

Class to handle the Video device features and resolutions.

Variables

• name – video name;

• caps – caps resolution;

• default_caps – default caps resolution;

• full_hd_caps – full hd caps resolution;

• hd_caps – hd caps resolution;

• vga_caps – vga caps resolution.