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use quality value and faster resize

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This commit is contained in:
Blake Blackshear 2021-06-10 08:05:06 -05:00
parent 61f717daa3
commit 17179abf5a
2 changed files with 9 additions and 9 deletions
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16
frigate/output.py
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@ -23,8 +23,8 @@ from frigate.util import SharedMemoryFrameManager, get_yuv_crop, copy_yuv_to_pos
class FFMpegConverter: class FFMpegConverter:
def __init__(self, in_width, in_height, out_width, out_height, bitrate): def __init__(self, in_width, in_height, out_width, out_height, quality):
ffmpeg_cmd = f"ffmpeg -f rawvideo -pix_fmt yuv420p -video_size {in_width}x{in_height} -i pipe: -f mpegts -s {out_width}x{out_height} -codec:v mpeg1video -b:v {bitrate} -bf 0 pipe:".split( ffmpeg_cmd = f"ffmpeg -f rawvideo -pix_fmt yuv420p -video_size {in_width}x{in_height} -i pipe: -f mpegts -s {out_width}x{out_height} -codec:v mpeg1video -q {quality} -bf 0 pipe:".split(
" " " "
) )
self.process = sp.Popen( self.process = sp.Popen(
@ -73,7 +73,7 @@ class BroadcastThread(threading.Thread):
class BirdsEyeFrameManager: class BirdsEyeFrameManager:
def __init__(self, config, frame_manager: SharedMemoryFrameManager, height, width): def __init__(self, config, frame_manager: SharedMemoryFrameManager, width, height):
self.config = config self.config = config
self.frame_manager = frame_manager self.frame_manager = frame_manager
self.frame_shape = (height, width) self.frame_shape = (height, width)
@ -242,8 +242,8 @@ class BirdsEyeFrameManager:
now = datetime.datetime.now().timestamp() now = datetime.datetime.now().timestamp()
# limit output to ~24 fps # limit output to 10 fps
if (now - self.last_output_time) < 0.04: if (now - self.last_output_time) < 1 / 10:
return False return False
self.last_output_time = now self.last_output_time = now
@ -283,13 +283,13 @@ def output_frames(config, video_output_queue):
for camera, cam_config in config.cameras.items(): for camera, cam_config in config.cameras.items():
converters[camera] = FFMpegConverter( converters[camera] = FFMpegConverter(
cam_config.frame_shape[1], cam_config.frame_shape[0], 640, 320, "1000k" cam_config.frame_shape[1], cam_config.frame_shape[0], 640, 320, 8
) )
broadcasters[camera] = BroadcastThread( broadcasters[camera] = BroadcastThread(
camera, converters[camera], websocket_server camera, converters[camera], websocket_server
) )
converters["birdseye"] = FFMpegConverter(1920, 1080, 1280, 720, "2000k") converters["birdseye"] = FFMpegConverter(1280, 720, 1280, 720, 8)
broadcasters["birdseye"] = BroadcastThread( broadcasters["birdseye"] = BroadcastThread(
"birdseye", converters["birdseye"], websocket_server "birdseye", converters["birdseye"], websocket_server
) )
@ -299,7 +299,7 @@ def output_frames(config, video_output_queue):
for t in broadcasters.values(): for t in broadcasters.values():
t.start() t.start()
birdseye_manager = BirdsEyeFrameManager(config, frame_manager, 1080, 1920) birdseye_manager = BirdsEyeFrameManager(config, frame_manager, 1280, 720)
while not stop_event.is_set(): while not stop_event.is_set():
try: try:

2
frigate/util.py
View File

@ -277,7 +277,7 @@ def copy_yuv_to_position(
# clear v2 # clear v2
destination_frame[v2[1] : v2[3], v2[0] : v2[2]] = 128 destination_frame[v2[1] : v2[3], v2[0] : v2[2]] = 128
else: else:
interpolation = cv2.INTER_AREA interpolation = cv2.INTER_LINEAR
# resize/copy y channel # resize/copy y channel
destination_frame[y[1] : y[3], y[0] : y[2]] = cv2.resize( destination_frame[y[1] : y[3], y[0] : y[2]] = cv2.resize(
source_frame[ source_frame[