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.

docs/source/platypush/plugins/camera.gstreamer.rst

@@ -1,5 +0,0 @@
-``camera.gstreamer``
-======================================
-
-.. automodule:: platypush.plugins.camera.gstreamer
-    :members:

docs/source/plugins.rst

@@ -19,7 +19,6 @@ Plugins
     platypush/plugins/camera.android.ipcam.rst
     platypush/plugins/camera.cv.rst
     platypush/plugins/camera.ffmpeg.rst
-    platypush/plugins/camera.gstreamer.rst
     platypush/plugins/camera.ir.mlx90640.rst
     platypush/plugins/camera.pi.rst
     platypush/plugins/chat.irc.rst

platypush/plugins/camera/gstreamer/__init__.py

@@ -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:

platypush/plugins/camera/gstreamer/manifest.yaml

@@ -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

platypush/plugins/camera/gstreamer/model.py

@@ -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: