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3 Commits
Author SHA1 Message Date
henryruhs 15858adf28 beautify tests 2026-07-28 20:40:09 +02:00
Henry RuhsandGitHub a394d48f34 avoid tobytes copy (#1208) 2026-07-28 10:02:08 +02:00
HarisreedharandGitHub 5e8a37110d Restrict the preview frame slider and the reader seek to the last frame index (#1207)
* fix index bug

* fix rounding bug
2026-07-27 18:51:35 +05:30
4 changed files with 15 additions and 11 deletions
+3 -3
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@@ -11,7 +11,7 @@ FACE_STORE : FaceStore = {}
def get_faces(vision_frame : VisionFrame) -> Optional[List[Face]]:
if numpy.any(vision_frame):
vision_hash = create_hash(vision_frame.tobytes())
vision_hash = create_hash(vision_frame.data)
if FACE_STORE.get(vision_hash):
return FACE_STORE.get(vision_hash).get('faces')
@@ -21,7 +21,7 @@ def get_faces(vision_frame : VisionFrame) -> Optional[List[Face]]:
def set_faces(vision_frame : VisionFrame, faces : List[Face]) -> None:
if numpy.any(vision_frame):
vision_hash = create_hash(vision_frame.tobytes())
vision_hash = create_hash(vision_frame.data)
FACE_STORE.setdefault(vision_hash,
{
'lock': threading.Lock()
@@ -30,7 +30,7 @@ def set_faces(vision_frame : VisionFrame, faces : List[Face]) -> None:
def resolve_lock(vision_frame : VisionFrame) -> threading.Lock:
if numpy.any(vision_frame):
vision_hash = create_hash(vision_frame.tobytes())
vision_hash = create_hash(vision_frame.data)
return FACE_STORE.setdefault(vision_hash,
{
'lock': threading.Lock()
+1 -1
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@@ -106,7 +106,7 @@ def start(webcam_device_id : int, webcam_mode : WebcamMode, webcam_resolution :
yield capture_vision_frame
if webcam_mode in [ 'udp', 'v4l2' ]:
try:
stream.stdin.write(capture_vision_frame.tobytes())
stream.stdin.write(capture_vision_frame.data)
except Exception:
pass
+1 -1
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@@ -133,7 +133,7 @@ def get_writer(video_path : str, temp_video_fps : Fps, temp_video_resolution : R
def write_video_frame(video_writer : VideoWriter, vision_frame : VisionFrame) -> None:
video_writer.get('process').stdin.write(vision_frame.tobytes())
video_writer.get('process').stdin.write(vision_frame.data)
def close_video_writer(video_writer : VideoWriter) -> bool:
+10 -6
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@@ -50,34 +50,35 @@ def test_get_reader() -> None:
assert video_metadata.get('resolution') == (426, 226)
assert video_metadata.get('fps') == 25.0
assert video_metadata.get('frame_total') == 270
assert get_reader(get_test_example_file('target-240p-25fps.mp4'), 'read_video_frame') is video_reader
assert not get_reader(get_test_example_file('target-240p-25fps.mp4'), 'select_video_frames').get('id') == video_reader.get('id')
def test_conditional_seek_video_reader() -> None:
video_reader = get_reader(get_test_example_file('target-240p-25fps.mp4'), 'read_video_frame')
sequential_frames = {}
video_frames = {}
for frame_number in range(30):
sequential_frames[frame_number] = read_video_frame(video_reader)
video_frames[frame_number] = read_video_frame(video_reader)
for frame_number in [ 5, 17, 29 ]:
conditional_seek_video_reader(video_reader, frame_number)
assert numpy.array_equal(read_video_frame(video_reader), sequential_frames.get(frame_number)) is True
assert numpy.array_equal(read_video_frame(video_reader), video_frames.get(frame_number)) is True
def test_seek_video_reader() -> None:
video_reader = get_reader(get_test_example_file('target-240p-25fps.mp4'), 'read_video_frame')
sequential_frames = {}
video_frames = {}
for frame_number in range(30):
sequential_frames[frame_number] = read_video_frame(video_reader)
video_frames[frame_number] = read_video_frame(video_reader)
for frame_number in [ 5, 17, 29 ]:
seek_video_reader(video_reader, frame_number)
assert numpy.array_equal(read_video_frame(video_reader), sequential_frames.get(frame_number)) is True
assert numpy.array_equal(read_video_frame(video_reader), video_frames.get(frame_number)) is True
def test_drain_video_reader() -> None:
@@ -133,6 +134,7 @@ def test_collect_video_frames() -> None:
def test_close_video_reader() -> None:
video_reader = get_reader(get_test_example_file('target-240p-25fps.mp4'), 'select_video_frames')
read_video_frames(video_reader, 0, 4)
close_video_reader(video_reader)
@@ -176,6 +178,7 @@ def test_close_video_writer() -> None:
create_temp_directory(target_path)
video_reader = get_reader(target_path, 'read_video_frame')
video_writer = get_writer(target_path, 30.0, (426, 226), (426, 226), 30.0)
write_video_frame(video_writer, read_video_frame(video_reader))
assert close_video_writer(video_writer) is True
@@ -186,6 +189,7 @@ def test_clear_video_pool() -> None:
create_temp_directory(target_path)
video_reader = get_reader(target_path, 'select_video_frames')
video_writer = get_writer(target_path, 25.0, (426, 226), (426, 226), 25.0)
read_video_frames(video_reader, 0, 4)
write_video_frame(video_writer, read_video_frame(video_reader))
clear_video_pool()