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fix process clip

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This commit is contained in:
Blake Blackshear 2020-12-12 09:12:15 -06:00
parent 93b9d586d2
commit a4b88ac4a7
2 changed files with 110 additions and 55 deletions
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146
process_clip.py → frigate/process_clip.py
View File

@ -1,25 +1,68 @@
import sys
import click
import os
import datetime import datetime
from unittest import TestCase, main import json
from frigate.video import process_frames, start_or_restart_ffmpeg, capture_frames, get_frame_shape import logging
from frigate.util import DictFrameManager, SharedMemoryFrameManager, EventsPerSecond, draw_box_with_label
from frigate.motion import MotionDetector
from frigate.edgetpu import LocalObjectDetector
from frigate.objects import ObjectTracker
import multiprocessing as mp import multiprocessing as mp
import numpy as np import os
import subprocess as sp
import sys
from unittest import TestCase, main
import click
import cv2 import cv2
import numpy as np
from frigate.config import FRIGATE_CONFIG_SCHEMA, FrigateConfig
from frigate.edgetpu import LocalObjectDetector
from frigate.motion import MotionDetector
from frigate.object_processing import COLOR_MAP, CameraState from frigate.object_processing import COLOR_MAP, CameraState
from frigate.objects import ObjectTracker
from frigate.util import (DictFrameManager, EventsPerSecond,
SharedMemoryFrameManager, draw_box_with_label)
from frigate.video import (capture_frames, process_frames,
start_or_restart_ffmpeg)
logging.basicConfig()
logging.root.setLevel(logging.DEBUG)
logger = logging.getLogger(__name__)
def get_frame_shape(source):
ffprobe_cmd = " ".join([
'ffprobe',
'-v',
'panic',
'-show_error',
'-show_streams',
'-of',
'json',
'"'+source+'"'
])
p = sp.Popen(ffprobe_cmd, stdout=sp.PIPE, shell=True)
(output, err) = p.communicate()
p_status = p.wait()
info = json.loads(output)
video_info = [s for s in info['streams'] if s['codec_type'] == 'video'][0]
if video_info['height'] != 0 and video_info['width'] != 0:
return (video_info['height'], video_info['width'], 3)
# fallback to using opencv if ffprobe didnt succeed
video = cv2.VideoCapture(source)
ret, frame = video.read()
frame_shape = frame.shape
video.release()
return frame_shape
class ProcessClip(): class ProcessClip():
def __init__(self, clip_path, frame_shape, config): def __init__(self, clip_path, frame_shape, config: FrigateConfig):
self.clip_path = clip_path self.clip_path = clip_path
self.frame_shape = frame_shape
self.camera_name = 'camera' self.camera_name = 'camera'
self.frame_manager = DictFrameManager() self.config = config
# self.frame_manager = SharedMemoryFrameManager() self.camera_config = self.config.cameras['camera']
self.frame_shape = self.camera_config.frame_shape
self.ffmpeg_cmd = [c['cmd'] for c in self.camera_config.ffmpeg_cmds if 'detect' in c['roles']][0]
self.frame_manager = SharedMemoryFrameManager()
self.frame_queue = mp.Queue() self.frame_queue = mp.Queue()
self.detected_objects_queue = mp.Queue() self.detected_objects_queue = mp.Queue()
self.camera_state = CameraState(self.camera_name, config, self.frame_manager) self.camera_state = CameraState(self.camera_name, config, self.frame_manager)
@ -27,12 +70,11 @@ class ProcessClip():
def load_frames(self): def load_frames(self):
fps = EventsPerSecond() fps = EventsPerSecond()
skipped_fps = EventsPerSecond() skipped_fps = EventsPerSecond()
stop_event = mp.Event()
detection_frame = mp.Value('d', datetime.datetime.now().timestamp()+100000)
current_frame = mp.Value('d', 0.0) current_frame = mp.Value('d', 0.0)
ffmpeg_cmd = f"ffmpeg -hide_banner -loglevel panic -i {self.clip_path} -f rawvideo -pix_fmt rgb24 pipe:".split(" ") frame_size = self.camera_config.frame_shape_yuv[0] * self.camera_config.frame_shape_yuv[1]
ffmpeg_process = start_or_restart_ffmpeg(ffmpeg_cmd, self.frame_shape[0]*self.frame_shape[1]*self.frame_shape[2]) ffmpeg_process = start_or_restart_ffmpeg(self.ffmpeg_cmd, logger, sp.DEVNULL, frame_size)
capture_frames(ffmpeg_process, self.camera_name, self.frame_shape, self.frame_manager, self.frame_queue, 1, fps, skipped_fps, stop_event, detection_frame, current_frame) capture_frames(ffmpeg_process, self.camera_name, self.camera_config.frame_shape_yuv, self.frame_manager,
self.frame_queue, fps, skipped_fps, current_frame)
ffmpeg_process.wait() ffmpeg_process.wait()
ffmpeg_process.communicate() ffmpeg_process.communicate()
@ -43,23 +85,28 @@ class ProcessClip():
object_detector = LocalObjectDetector(labels='/labelmap.txt') object_detector = LocalObjectDetector(labels='/labelmap.txt')
object_tracker = ObjectTracker(10) object_tracker = ObjectTracker(10)
process_fps = mp.Value('d', 0.0) process_info = {
detection_fps = mp.Value('d', 0.0) 'process_fps': mp.Value('d', 0.0),
current_frame = mp.Value('d', 0.0) 'detection_fps': mp.Value('d', 0.0),
'detection_frame': mp.Value('d', 0.0)
}
stop_event = mp.Event() stop_event = mp.Event()
model_shape = (self.config.model.height, self.config.model.width)
process_frames(self.camera_name, self.frame_queue, self.frame_shape, self.frame_manager, motion_detector, object_detector, object_tracker, self.detected_objects_queue, process_frames(self.camera_name, self.frame_queue, self.frame_shape, model_shape,
process_fps, detection_fps, current_frame, objects_to_track, object_filters, mask, stop_event, exit_on_empty=True) self.frame_manager, motion_detector, object_detector, object_tracker,
self.detected_objects_queue, process_info,
objects_to_track, object_filters, mask, stop_event, exit_on_empty=True)
def objects_found(self, debug_path=None): def objects_found(self, debug_path=None):
obj_detected = False obj_detected = False
top_computed_score = 0.0 top_computed_score = 0.0
def handle_event(name, obj): def handle_event(name, obj, frame_time):
nonlocal obj_detected nonlocal obj_detected
nonlocal top_computed_score nonlocal top_computed_score
if obj['computed_score'] > top_computed_score: if obj.computed_score > top_computed_score:
top_computed_score = obj['computed_score'] top_computed_score = obj.computed_score
if not obj['false_positive']: if not obj.false_positive:
obj_detected = True obj_detected = True
self.camera_state.on('new', handle_event) self.camera_state.on('new', handle_event)
self.camera_state.on('update', handle_event) self.camera_state.on('update', handle_event)
@ -71,7 +118,8 @@ class ProcessClip():
self.camera_state.update(frame_time, current_tracked_objects) self.camera_state.update(frame_time, current_tracked_objects)
for obj in self.camera_state.tracked_objects.values(): for obj in self.camera_state.tracked_objects.values():
print(f"{frame_time}: {obj['id']} - {obj['computed_score']} - {obj['score_history']}") obj_data = obj.to_dict()
print(f"{frame_time}: {obj_data['id']} - {obj_data['label']} - {obj_data['score']} - {obj.score_history}")
self.frame_manager.delete(self.camera_state.previous_frame_id) self.frame_manager.delete(self.camera_state.previous_frame_id)
@ -81,7 +129,7 @@ class ProcessClip():
} }
def save_debug_frame(self, debug_path, frame_time, tracked_objects): def save_debug_frame(self, debug_path, frame_time, tracked_objects):
current_frame = self.frame_manager.get(f"{self.camera_name}{frame_time}", self.frame_shape) current_frame = cv2.cvtColor(self.frame_manager.get(f"{self.camera_name}{frame_time}", self.camera_config.frame_shape_yuv), cv2.COLOR_YUV2BGR_I420)
# draw the bounding boxes on the frame # draw the bounding boxes on the frame
for obj in tracked_objects: for obj in tracked_objects:
thickness = 2 thickness = 2
@ -95,12 +143,12 @@ class ProcessClip():
# draw the bounding boxes on the frame # draw the bounding boxes on the frame
box = obj['box'] box = obj['box']
draw_box_with_label(current_frame, box[0], box[1], box[2], box[3], obj['label'], f"{int(obj['score']*100)}% {int(obj['area'])}", thickness=thickness, color=color) draw_box_with_label(current_frame, box[0], box[1], box[2], box[3], obj['id'], f"{int(obj['score']*100)}% {int(obj['area'])}", thickness=thickness, color=color)
# draw the regions on the frame # draw the regions on the frame
region = obj['region'] region = obj['region']
draw_box_with_label(current_frame, region[0], region[1], region[2], region[3], 'region', "", thickness=1, color=(0,255,0)) draw_box_with_label(current_frame, region[0], region[1], region[2], region[3], 'region', "", thickness=1, color=(0,255,0))
cv2.imwrite(f"{os.path.join(debug_path, os.path.basename(self.clip_path))}.{int(frame_time*1000000)}.jpg", cv2.cvtColor(current_frame, cv2.COLOR_RGB2BGR)) cv2.imwrite(f"{os.path.join(debug_path, os.path.basename(self.clip_path))}.{int(frame_time*1000000)}.jpg", current_frame)
@click.command() @click.command()
@click.option("-p", "--path", required=True, help="Path to clip or directory to test.") @click.option("-p", "--path", required=True, help="Path to clip or directory to test.")
@ -116,29 +164,37 @@ def process(path, label, threshold, debug_path):
elif os.path.isfile(path): elif os.path.isfile(path):
clips.append(path) clips.append(path)
config = { json_config = {
'snapshots': { 'mqtt': {
'show_timestamp': False, 'host': 'mqtt'
'draw_zones': False
}, },
'zones': {}, 'cameras': {
'objects': { 'camera': {
'track': [label], 'ffmpeg': {
'filters': { 'inputs': [
'person': { { 'path': 'path.mp4', 'global_args': '', 'input_args': '', 'roles': ['detect'] }
'threshold': threshold ]
} },
'height': 1920,
'width': 1080
} }
} }
} }
results = [] results = []
for c in clips: for c in clips:
logger.info(c)
frame_shape = get_frame_shape(c) frame_shape = get_frame_shape(c)
config['frame_shape'] = frame_shape
json_config['cameras']['camera']['height'] = frame_shape[0]
json_config['cameras']['camera']['width'] = frame_shape[1]
json_config['cameras']['camera']['ffmpeg']['inputs'][0]['path'] = c
config = FrigateConfig(config=FRIGATE_CONFIG_SCHEMA(json_config))
process_clip = ProcessClip(c, frame_shape, config) process_clip = ProcessClip(c, frame_shape, config)
process_clip.load_frames() process_clip.load_frames()
process_clip.process_frames(objects_to_track=config['objects']['track']) process_clip.process_frames(objects_to_track=[label])
results.append((c, process_clip.objects_found(debug_path))) results.append((c, process_clip.objects_found(debug_path)))

5
frigate/video.py
View File

@ -113,14 +113,13 @@ def capture_frames(ffmpeg_process, camera_name, frame_shape, frame_manager: Fram
frame_buffer = frame_manager.create(frame_name, frame_size) frame_buffer = frame_manager.create(frame_name, frame_size)
try: try:
frame_buffer[:] = ffmpeg_process.stdout.read(frame_size) frame_buffer[:] = ffmpeg_process.stdout.read(frame_size)
except: except Exception as e:
logger.info(f"{camera_name}: ffmpeg sent a broken frame. something is wrong.") logger.info(f"{camera_name}: ffmpeg sent a broken frame. {e}")
if ffmpeg_process.poll() != None: if ffmpeg_process.poll() != None:
logger.info(f"{camera_name}: ffmpeg process is not running. exiting capture thread...") logger.info(f"{camera_name}: ffmpeg process is not running. exiting capture thread...")
frame_manager.delete(frame_name) frame_manager.delete(frame_name)
break break
continue continue
frame_rate.update() frame_rate.update()