forked from platypush/platypush
Removed camera.gstreamer
.
Too much of a pain in the ass to handle, too many format options to think of, too many combinations of pipelines to support, and if I don't think of those beforehand then I'll have to offload all of that complexity on the user.
This commit is contained in:
parent
1c40e5e843
commit
b4d714df8a
5 changed files with 0 additions and 126 deletions
|
@ -1,5 +0,0 @@
|
||||||
``camera.gstreamer``
|
|
||||||
======================================
|
|
||||||
|
|
||||||
.. automodule:: platypush.plugins.camera.gstreamer
|
|
||||||
:members:
|
|
|
@ -19,7 +19,6 @@ Plugins
|
||||||
platypush/plugins/camera.android.ipcam.rst
|
platypush/plugins/camera.android.ipcam.rst
|
||||||
platypush/plugins/camera.cv.rst
|
platypush/plugins/camera.cv.rst
|
||||||
platypush/plugins/camera.ffmpeg.rst
|
platypush/plugins/camera.ffmpeg.rst
|
||||||
platypush/plugins/camera.gstreamer.rst
|
|
||||||
platypush/plugins/camera.ir.mlx90640.rst
|
platypush/plugins/camera.ir.mlx90640.rst
|
||||||
platypush/plugins/camera.pi.rst
|
platypush/plugins/camera.pi.rst
|
||||||
platypush/plugins/chat.irc.rst
|
platypush/plugins/chat.irc.rst
|
||||||
|
|
|
@ -1,94 +0,0 @@
|
||||||
from typing import Optional
|
|
||||||
|
|
||||||
from PIL import Image
|
|
||||||
from PIL.Image import Image as ImageType
|
|
||||||
|
|
||||||
from platypush.plugins.camera import CameraPlugin
|
|
||||||
from platypush.plugins.camera.gstreamer.model import GStreamerCamera
|
|
||||||
from platypush.common.gstreamer import Pipeline
|
|
||||||
|
|
||||||
|
|
||||||
class CameraGstreamerPlugin(CameraPlugin):
|
|
||||||
"""
|
|
||||||
Plugin to interact with a camera over GStreamer.
|
|
||||||
|
|
||||||
Requires:
|
|
||||||
|
|
||||||
* **gst-python**
|
|
||||||
* **pygobject**
|
|
||||||
|
|
||||||
On Debian and derived systems:
|
|
||||||
|
|
||||||
* ``[sudo] apt-get install python3-gi python3-gst-1.0``
|
|
||||||
|
|
||||||
On Arch and derived systems:
|
|
||||||
|
|
||||||
* ``[sudo] pacman -S gst-python``
|
|
||||||
|
|
||||||
"""
|
|
||||||
|
|
||||||
_camera_class = GStreamerCamera
|
|
||||||
|
|
||||||
def __init__(self, device: Optional[str] = '/dev/video0', **opts):
|
|
||||||
"""
|
|
||||||
:param device: Path to the camera device (default ``/dev/video0``).
|
|
||||||
:param opts: Camera options - see constructor of :class:`platypush.plugins.camera.CameraPlugin`.
|
|
||||||
"""
|
|
||||||
super().__init__(device=device, **opts)
|
|
||||||
|
|
||||||
def prepare_device(self, camera: GStreamerCamera) -> Pipeline:
|
|
||||||
pipeline = Pipeline()
|
|
||||||
src = pipeline.add_source('v4l2src', device=camera.info.device)
|
|
||||||
convert = pipeline.add('videoconvert')
|
|
||||||
assert camera.info and camera.info.resolution
|
|
||||||
|
|
||||||
video_filter = pipeline.add(
|
|
||||||
'capsfilter',
|
|
||||||
caps='video/x-raw,format=RGB,width={width},height={height},framerate={fps}/1'.format(
|
|
||||||
width=camera.info.resolution[0],
|
|
||||||
height=camera.info.resolution[1],
|
|
||||||
fps=camera.info.fps,
|
|
||||||
),
|
|
||||||
)
|
|
||||||
|
|
||||||
sink = pipeline.add_sink('appsink', name='appsink', sync=False)
|
|
||||||
pipeline.link(src, convert, video_filter, sink)
|
|
||||||
return pipeline
|
|
||||||
|
|
||||||
def start_camera(
|
|
||||||
self, camera: GStreamerCamera, preview: bool = False, *args, **kwargs
|
|
||||||
):
|
|
||||||
super().start_camera(*args, camera=camera, preview=preview, **kwargs)
|
|
||||||
if camera.object:
|
|
||||||
camera.object.play()
|
|
||||||
|
|
||||||
def release_device(self, camera: GStreamerCamera):
|
|
||||||
if camera.object:
|
|
||||||
camera.object.stop()
|
|
||||||
|
|
||||||
def capture_frame(self, camera: GStreamerCamera, *_, **__) -> Optional[ImageType]:
|
|
||||||
if not (camera.info and camera.info.fps and camera.info.resolution):
|
|
||||||
return None
|
|
||||||
|
|
||||||
timed_out = not camera.object.data_ready.wait(
|
|
||||||
timeout=5 + (1.0 / camera.info.fps)
|
|
||||||
)
|
|
||||||
if timed_out:
|
|
||||||
self.logger.warning('Frame capture timeout')
|
|
||||||
return None
|
|
||||||
|
|
||||||
data = camera.object.data
|
|
||||||
if data is None:
|
|
||||||
return None
|
|
||||||
|
|
||||||
camera.object.data_ready.clear()
|
|
||||||
if (
|
|
||||||
not data
|
|
||||||
and len(data) != camera.info.resolution[0] * camera.info.resolution[1] * 3
|
|
||||||
):
|
|
||||||
return None
|
|
||||||
|
|
||||||
return Image.frombytes('RGB', camera.info.resolution, data)
|
|
||||||
|
|
||||||
|
|
||||||
# vim:sw=4:ts=4:et:
|
|
|
@ -1,16 +0,0 @@
|
||||||
manifest:
|
|
||||||
events: {}
|
|
||||||
install:
|
|
||||||
pip:
|
|
||||||
- numpy
|
|
||||||
- Pillow
|
|
||||||
- pygobject
|
|
||||||
apt:
|
|
||||||
- python3-gi
|
|
||||||
- python3-gst-1.0
|
|
||||||
pacman:
|
|
||||||
- gst-python
|
|
||||||
- python-gobject
|
|
||||||
|
|
||||||
package: platypush.plugins.camera.gstreamer
|
|
||||||
type: plugin
|
|
|
@ -1,10 +0,0 @@
|
||||||
from platypush.common.gstreamer import Pipeline
|
|
||||||
from platypush.plugins.camera import CameraInfo, Camera
|
|
||||||
|
|
||||||
|
|
||||||
class GStreamerCamera(Camera):
|
|
||||||
info: CameraInfo
|
|
||||||
object: Pipeline
|
|
||||||
|
|
||||||
|
|
||||||
# vim:sw=4:ts=4:et:
|
|
Loading…
Reference in a new issue