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Reduce resolution for preview with picamera

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This commit is contained in:
Balthasar Reuter
2018-07-02 21:51:06 +02:00
parent 7746cd0c91
commit 110f1d0c1b
1 changed files with 8 additions and 2 deletions
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10
photobooth/camera/CameraPicamera.py
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@@ -40,6 +40,11 @@ class CameraPicamera(Camera):
self._cap = None self._cap = None
self.setActive()
res_x, res_y = self._cap.resolution
self._preview_resolution = (res_x // 2, res_y // 2)
self.setIdle()
def setActive(self): def setActive(self):
if self._cap is None or self._cap.closed: if self._cap is None or self._cap.closed:
@@ -55,7 +60,8 @@ class CameraPicamera(Camera):
self.setActive() self.setActive()
stream = io.BytesIO() stream = io.BytesIO()
self._cap.capture(stream, format='jpeg', use_video_port=True) self._cap.capture(stream, format='jpeg', use_video_port=True,
resolution=self._preview_resolution)
stream.seek(0) stream.seek(0)
return Image.open(stream) return Image.open(stream)
@@ -63,6 +69,6 @@ class CameraPicamera(Camera):
self.setActive() self.setActive()
stream = io.BytesIO() stream = io.BytesIO()
self._cap.capture(stream, format='jpeg') self._cap.capture(stream, format='jpeg', resize=None)
stream.seek(0) stream.seek(0)
return Image.open(stream) return Image.open(stream)