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RobertFlattRobertFlatt
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picamera2
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‎README.md‎

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@@ -73,7 +73,6 @@ Camera4Kivy
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* [OpenCV](#opencv)
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* [GStreamer](#gstreamer)
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* [Picamera](#picamera)
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* [Picamera2](#picamera2)
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* [AVFoundation](#avfoundation)
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- [Known Behavior](#known-behavior)
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* [Behavior: Android .mp4 Orientation](#behavior--android-mp4-orientation)
@@ -659,7 +658,7 @@ Nothing to do with a camera, it is a physical property of a screen. A scalar mea
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## Camera Provider
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Camera4Kivy depends on a 'camera provider' to access the OS camera api. On most platforms this uses the same provider as Kivy, with modified defaults.
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Camera4Kivy depends on a 'camera provider' to access the OS camera api. On most platforms this uses the same provider as Kivy, with modified defaults. On Android, iOS, and MacOS there is only a single provider.
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| Platform | Provider | Requires |
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|-------------|---------------|----------------|
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| Macos | [AVFoundation](https://github.com/Android-for-Python/camera4kivy#avfoundation)| OSX >= 10.7 |
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| Linux | [Gstreamer](https://github.com/Android-for-Python/camera4kivy#gstreamer) |
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| | [OpenCV](https://github.com/Android-for-Python/camera4kivy#opencv) |
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| Rasberry | [Picamera](https://github.com/Android-for-Python/camera4kivy#picamera) | <= Buster |
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| | [Picamera2](https://github.com/Android-for-Python/camera4kivy#picamera2) | >= Bullseye |
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| Rasberry | [Picamera](https://github.com/Android-for-Python/camera4kivy#picamera)(2) | |
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| | [Gstreamer](https://github.com/Android-for-Python/camera4kivy#gstreamer) | |
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| |[OpenCV](https://github.com/Android-for-Python/camera4kivy#opencv) | |
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| Android | [CameraX](https://github.com/Android-for-Python/camera4kivy#android-camera-provider) | Android >= 5.0 |
@@ -721,10 +719,9 @@ Depends on the Linux flavor, but commonly:
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`sudo apt-get install gstreamer1.0-dev`
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### Picamera
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Pre-installed on Buster.
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This uses either the Picamera or Picamera2 package, depending on which is installed (they are mutually exclusive).
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### Picamera2
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May be pre-instaled on Bullseye. Additional features for native Pi cameras: higher resolution photos, video optionally with audio, zoom, pan when zoom'd, sensor rotation. USB cameras are not currently supported.
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If Picamera2 is installed there are additional features for native Pi cameras: higher resolution photos, video (optionally with audio), zoom, pan when zoom'd, sensor rotation. However USB cameras are not currently supported.
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### AVFoundation
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Pre-installed

‎index.md‎

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@@ -73,7 +73,6 @@ Camera4Kivy
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* [OpenCV](https://github.com/Android-for-Python/Camera4Kivy#opencv)
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* [GStreamer](https://github.com/Android-for-Python/Camera4Kivy#gstreamer)
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* [Picamera](https://github.com/Android-for-Python/Camera4Kivy#picamera)
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* [Picamera2](https://github.com/Android-for-Python/Camera4Kivy#picamera2)
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* [AVFoundation](https://github.com/Android-for-Python/Camera4Kivy#avfoundation)
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- [Known Behavior](https://github.com/Android-for-Python/Camera4Kivy#known-behavior)
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* [Behavior: Android .mp4 Orientation](https://github.com/Android-for-Python/Camera4Kivy#behavior--android-mp4-orientation)

‎setup.cfg‎

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[metadata]
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name = camera4kivy
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version = 0.2.1.dev
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version = 0.3.0.dev0
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author = Robert Flatt
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description = Yet Another Camera for Kivy
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long_description = file: index.md
@@ -19,7 +19,7 @@ package_dir =
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packages = find:
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python_requires = >=3.7
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install_requires =
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gestures4kivy >= 0.1.2
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gestures4kivy >= 0.1.3
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[options.packages.find]
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where = src

‎src/camera4kivy/based_on_kivy_core/camera/camera_picamera2.py‎

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@@ -422,43 +422,48 @@ def _yuv_to_rgba(self, fmt, y, u, v, size, tsize):
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isize = tsize
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translate = 0
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origin = (tsize[0]//2, tsize[1]//2)
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if self.previous_fmt != fmt:
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self.fbo = None
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if self.previous_size[0] != size[0] or\
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self.previous_size[1] != size[1]:
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self.fbo = None
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if self.previous_tsize[0] != tsize[0] or\
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self.previous_tsize[1] != tsize[1]:
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self.fbo = None
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if not self.fbo:
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if fmt == 'YUV420':
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uv_size = (size[0]//2, size[1]//2 )
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else:
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uv_size = (size[0]//2, size[1])
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if fmt == 'YUV420':
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uv_size = (size[0]//2, size[1]//2 )
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else:
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uv_size = (size[0]//2, size[1])
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if self.previous_size[0] != size[0] or self.previous_size[1] != size[1]:
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self.tex_y = Texture.create(size= size, colorfmt='luminance')
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self.tex_u = Texture.create(size= uv_size, colorfmt='luminance')
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self.tex_v = Texture.create(size= uv_size, colorfmt='luminance')
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if self.previous_tsize[0] != tsize[0] or\
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self.previous_tsize[1] != tsize[1] or\
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self.fbo == None:
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self.previous_tsize = tsize
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self.fbo = Fbo(size=tsize) # size for bilt to self._texture
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self.fbo.texture.flip_vertical()
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with self.fbo:
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BindTexture(texture=self.tex_u, index=1)
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BindTexture(texture=self.tex_v, index=2)
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self.b_u = BindTexture(texture=self.tex_u, index=1)
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self.b_v = BindTexture(texture=self.tex_v, index=2)
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Rotate(origin = origin, angle = 360-self._rotate,
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axis = (0, 0, 1))
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Translate(0, translate)
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Rectangle(size=isize, texture=self.tex_y)
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self.r_y = Rectangle(size=isize, texture=self.tex_y)
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self.fbo.shader.fs = self.YUV_RGB_FS
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self.fbo['tex_y'] = 0
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self.fbo['tex_u'] = 1
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self.fbo['tex_v'] = 2
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if self.previous_size[0] != size[0] or self.previous_size[1] != size[1]:
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self.previous_size = size
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self.r_y.size = isize
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self.r_y.texture = self.tex_y
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self.b_u.texture = self.tex_u
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self.b_v.texture = self.tex_v
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# Repeat previous pixels to prevent flicker on change
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return bytes(self.fbo.texture.pixels)
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self.tex_y.blit_buffer(y, colorfmt='luminance')
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self.tex_u.blit_buffer(u, colorfmt='luminance')
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self.tex_v.blit_buffer(v, colorfmt='luminance')
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self.fbo.ask_update()
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self.fbo.draw()
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self.previous_fmt = fmt
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self.previous_size = size
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self.previous_tsize = tsize
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return self.fbo.texture.pixels
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‎src/camera4kivy/preview_kivycamera.py‎

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@@ -239,9 +239,6 @@ def torch(self, state):
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def focus(self, x, y):
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pass
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def zoom_delta(self, delta_scale):
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pass
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#############################################
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# Parse Arguments
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#############################################

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