def _set_crop(self, value):
try:
x, y, w, h = value
except (TypeError, ValueError) as e:
raise PiCameraValueError(
"Invalid crop rectangle (x, y, w, h) tuple: %s" % value)
mp = mmal.MMAL_DISPLAYREGION_T(
mmal.MMAL_PARAMETER_HEADER_T(mmal.MMAL_PARAMETER_DISPLAYREGION,
ct.sizeof(mmal.MMAL_DISPLAYREGION_T)),
set=mmal.MMAL_DISPLAY_SET_SRC_RECT,
src_rect=mmal.MMAL_RECT_T(x, y, w, h),
)
mmal_check(mmal.mmal_port_parameter_set(self.renderer[0].input[0],
mp.hdr),
prefix="Failed to set crop")
presscount = 1
camera.outputs[0].framesize = (1080, 720)
p = render_l.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION]
p.set = mmal.MMAL_DISPLAY_SET_FULLSCREEN | mmal.MMAL_DISPLAY_SET_DEST_RECT
p.fullscreen = False
while True:
buttonstate = GPIO.input(3)
input_state = GPIO.input(3)
if buttonstate != lastbuttonstate:
presscount = presscount + 1
if presscount % 2 == 0:
camera.outputs[0].framerate = 25
p.dest_rect = mmal.MMAL_RECT_T(0, 35, 400, 480)
mp = camera.control.params[mmal.MMAL_PARAMETER_COLOUR_EFFECT]
render_l.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] = p
p.dest_rect = mmal.MMAL_RECT_T(400, 35, 400, 480)
render_r.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] = p
splitter.connect(camera.outputs[0])
render_l.connect(splitter.outputs[0])
render_r.connect(splitter.outputs[1])
else:
camera.outputs[0].framerate = 70
p.dest_rect = mmal.MMAL_RECT_T(0, 35, 400, 480)
render_l.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] = p
p.dest_rect = mmal.MMAL_RECT_T(400, 35, 400, 480)
render_r.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] = p
camera = mo.MMALCamera()
splitter = mo.MMALSplitter()
render_l = mo.MMALRenderer()
render_r = mo.MMALRenderer()
# The 960 and 720 are the resolution. This can be changed to fill your display properly. I believe I'm using 960 and 1080 on mine.
camera.outputs[0].framesize = (camResW, camResH)
# This originally was 30, but then I the latency is too high and it's nearly impossible to navigate while wearing a head mounted display.
camera.outputs[0].framerate = camFramR
camera.outputs[0].commit()
p = render_l.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION]
p.set = mmal.MMAL_DISPLAY_SET_FULLSCREEN | mmal.MMAL_DISPLAY_SET_DEST_RECT
p.fullscreen = False
# These parameters control the X,Y and scale of the left image showing up on your display
p.dest_rect = mmal.MMAL_RECT_T(cornerX, cornerY, camResW, camResH)
render_l.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] = p
# These control the X,Y and the scale of the right image showing up on your display.
p.dest_rect = mmal.MMAL_RECT_T(cornerX + windowSpacer + camResW, cornerY,
camResW, camResH)
render_r.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] = p
splitter.connect(camera.outputs[0])
render_l.connect(splitter.outputs[0])
render_r.connect(splitter.outputs[1])
splitter.enable()
render_l.enable()
render_r.enable()
pause()
render_r = mo.MMALRenderer() camera.outputs[0].framesize = (500, 500) camera.outputs[0].framerate = 30 camera.outputs[0].commit() camera.control.params[mmal.MMAL_PARAMETER_DRAW_BOX_FACES_AND_FOCUS] = 1 p = render_l.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] p.set = mmal.MMAL_DISPLAY_SET_FULLSCREEN | mmal.MMAL_DISPLAY_SET_DEST_RECT | mmal.MMAL_DISPLAY_SET_NUM p.display_num = 2 # HDMI0 p.fullscreen = False p.dest_rect = mmal.MMAL_RECT_T(0, 18, 500, 500) render_l.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] = p p.display_num = 7 # HDMI1 p.dest_rect = mmal.MMAL_RECT_T(512, 18, 500, 500) render_r.inputs[0].params[mmal.MMAL_PARAMETER_DISPLAYREGION] = p splitter.connect(camera.outputs[0]) render_l.connect(splitter.outputs[0]) render_r.connect(splitter.outputs[1]) splitter.enable()
