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Added config option to set height and width of frame from #40

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boltgolt 2018-06-28 14:36:47 +02:00
parent 38eff8149d
commit 5751650af3
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GPG key ID: BECEC9937E1AAE26
3 changed files with 22 additions and 1 deletions
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7
src/cli/test.py
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@ -24,6 +24,13 @@ video_capture = cv2.VideoCapture(int(config.get("video", "device_id")))
if config.get("video", "force_mjpeg") == "true": if config.get("video", "force_mjpeg") == "true":
video_capture.set(cv2.CAP_PROP_FOURCC, 1196444237) video_capture.set(cv2.CAP_PROP_FOURCC, 1196444237)
# Set the frame width and height if requested
if int(config.get("video", "frame_width")) != -1:
video_capture.set(cv2.CAP_PROP_FRAME_WIDTH, int(config.get("video", "frame_width")))
if int(config.get("video", "frame_height")) != -1:
video_capture.set(cv2.CAP_PROP_FRAME_HEIGHT, int(config.get("video", "frame_height")))
# Let the user know what's up # Let the user know what's up
print(""" print("""
Opening a window with a test feed Opening a window with a test feed

10
src/compare.py
View file

@ -62,8 +62,16 @@ video_capture = cv2.VideoCapture(int(config.get("video", "device_id")))
# Force MJPEG decoding if true # Force MJPEG decoding if true
if config.get("video", "force_mjpeg") == "true": if config.get("video", "force_mjpeg") == "true":
# Set a magic number, will enable MJPEG but is badly documentated
video_capture.set(cv2.CAP_PROP_FOURCC, 1196444237) video_capture.set(cv2.CAP_PROP_FOURCC, 1196444237)
# Set the frame width and height if requested
if int(config.get("video", "frame_width")) != -1:
video_capture.set(cv2.CAP_PROP_FRAME_WIDTH, int(config.get("video", "frame_width")))
if int(config.get("video", "frame_height")) != -1:
video_capture.set(cv2.CAP_PROP_FRAME_HEIGHT, int(config.get("video", "frame_height")))
# Capture a single frame so the camera becomes active # Capture a single frame so the camera becomes active
# This will let the camera adjust its light levels while we're importing for faster scanning # This will let the camera adjust its light levels while we're importing for faster scanning
video_capture.read() video_capture.read()
@ -164,5 +172,5 @@ while True:
print("Winning model: " + str(match_index) + " (\"" + models[match_index]["label"] + "\")") print("Winning model: " + str(match_index) + " (\"" + models[match_index]["label"] + "\")")
# End peacegully # End peacefully
stop(0) stop(0)

6
src/config.ini
View file

@ -38,6 +38,12 @@ max_height = 320
# YUYV raw frame deconding # YUYV raw frame deconding
force_mjpeg = false force_mjpeg = false
# Set the camera input profile to this width and height
# The largest profile will be used if set to -1
# Automatically ignored if not a valid profile
frame_width = -1
frame_height = -1
# Because of flashing IR emitters, some frames can be completely unlit # Because of flashing IR emitters, some frames can be completely unlit
# Skip the frame if the lowest 1/8 of the histogram is above this percentage # Skip the frame if the lowest 1/8 of the histogram is above this percentage
# of the total # of the total