sima.video_reader

Attributes

logger

Classes

`Reader`	Helper class that provides a standard way to create an ABC using
`Writer`	Helper class that provides a standard way to create an ABC using
`RTSPReader`	Helper class that provides a standard way to create an ABC using
`FolderImageReader`
`PCIeReader`	Helper class that provides a standard way to create an ABC using
`RTSPWriter`	Helper class that provides a standard way to create an ABC using
`PCIeWriter`	Helper class that provides a standard way to create an ABC using
`VideoReader`	A class for reading video from various sources, including `pcie`, `rtspsrc` and `filesrc`.
`VideoWriter`	A class for writing video stream to various destinations, including `pcie`, `rtspsrc` and `filesrc`.

Module Contents

sima.video_reader.logger

class sima.video_reader.Reader

Helper class that provides a standard way to create an ABC using inheritance.

abstract read() → Tuple[int, numpy.ndarray]

abstract isOpened() → bool

abstract get_cam_resolution() → Tuple[int, int]

abstract release()

class sima.video_reader.Writer

Helper class that provides a standard way to create an ABC using inheritance.

abstract write(frame, meta=None)

abstract release()

class sima.video_reader.RTSPReader(cam_source: str)

Helper class that provides a standard way to create an ABC using inheritance.

frame_num = 0

app_source = 'rtspsrc location=Uninferable latency=0 ! rtph264depay wait-for-keyframe=true ! h264parse !...

cap

fps

get_cam_resolution() → Tuple[int, int]: Get frame width and frame height

read()

isOpened() → bool

release()

class sima.video_reader.FolderImageReader(folder_path: str, frame_width: int = 1280, frame_height: int = 720)

folder_path

loop = False

image_files

frame_num = 0

total_images

current_index = 0

set_loop(val)

get_cam_resolution() → Tuple[int, int]: Get frame width and frame height

read() → Tuple[int, numpy.ndarray]

isOpened() → bool

release()

class sima.video_reader.PCIeReader(frame_width: int = 1280, frame_height: int = 720, data_buf_name: str = 'in-img-source')

Helper class that provides a standard way to create an ABC using inheritance.

app_source = 'simaaipciesrc buffer-size=0 ! appsink sync=true max-buffers=100 drop=true'

data_reader

frame_num = 0

get_cam_resolution() → Tuple[int, int]: Get frame width and frame height

read() → Tuple[int, numpy.ndarray]

isOpened() → bool

release()

class sima.video_reader.RTSPWriter(host_ip: str, port: int, width: int, height: int, fps: int = 30)

Helper class that provides a standard way to create an ABC using inheritance.

app_sink = 'appsrc ! video/x-raw,format=NV12,width=Uninferable,height=Uninferable,framerate=Uninferable/1 !...

writer

write(frame, meta=None)

release()

class sima.video_reader.PCIeWriter(frame_width: int = 1280, frame_height: int = 720)

Helper class that provides a standard way to create an ABC using inheritance.

buf_size = 0

app_sink = 'appsrc ! simaaimetaparser ! simaaipciesink'

data_writer

write(frame, meta=None)

release()

class sima.video_reader.VideoReader(source: str = None, frame_width: int = 1280, frame_height: int = 720)

A class for reading video from various sources, including pcie, rtspsrc and filesrc.

read() → Tuple[int, numpy.ndarray]: Reads a frame from the video source.

isOpened() → bool

Check whether the video source has been successfully opened.

This method verifies that the underlying video reader or stream is properly initialized and ready for reading frames.

Returns:: True if the video source is open and accessible; False otherwise.
Return type:: bool

get_cam_resolution() → Tuple[int, int]: Get frame width and frame height

release(): Releases the VideoReader resources.

set_loop(val)

property frame_num

class sima.video_reader.VideoWriter(source: str = None, host_ip: str = None, port: int = None, frame_width: int = None, frame_height: int = None)

A class for writing video stream to various destinations, including pcie, rtspsrc and filesrc.

write(frame, meta=None): Writes a frame to the video sink.

release(): Releases the VideoWriter resources.