modify: 多线程管理器
This commit is contained in:
@@ -1,6 +1,9 @@
|
||||
import sophon_chakcy.sail as sail
|
||||
import threading
|
||||
import time
|
||||
from queue import Queue
|
||||
from logging import getLogger, Logger
|
||||
from typing import Optional
|
||||
|
||||
|
||||
class DetectVideoStream:
|
||||
@@ -11,7 +14,9 @@ class DetectVideoStream:
|
||||
frame_skip: int = 0,
|
||||
reconnect_attempts: int = 3,
|
||||
reconnect_delay: int = 5,
|
||||
is_save: bool = False):
|
||||
is_save: bool = False,
|
||||
output: str = "./result/output.mp4",
|
||||
logger: Optional[Logger] = None):
|
||||
"""
|
||||
处理视频流（视频文件或RTSP流）
|
||||
|
||||
@@ -26,6 +31,10 @@ class DetectVideoStream:
|
||||
Returns:
|
||||
处理的帧数, 检测到的物体总数
|
||||
"""
|
||||
if logger is None:
|
||||
self.logger = getLogger()
|
||||
else:
|
||||
self.logger = logger
|
||||
self.detectors = detectors
|
||||
self.dev_id = self.detectors[0].dev_id
|
||||
self.handle = self.detectors[0].handle
|
||||
@@ -48,7 +57,7 @@ class DetectVideoStream:
|
||||
result_dir = r"results"
|
||||
# 清理旧的目录
|
||||
if os.path.exists(result_dir):
|
||||
print(f"清理旧的构建目录: {result_dir}")
|
||||
self.logger.info(f"清理旧的构建目录: {result_dir}")
|
||||
shutil.rmtree(result_dir, ignore_errors=True)
|
||||
|
||||
# 创建目录
|
||||
@@ -56,16 +65,14 @@ class DetectVideoStream:
|
||||
if not result_dir_path.exists():
|
||||
result_dir_path.mkdir(parents=True, exist_ok=True)
|
||||
|
||||
enc_params = f"width=1920:height=1080:bitrate=2000:gop=32:gop_preset=2:framerate=25"
|
||||
self.encoder = sail.Encoder("results/output.mp4", self.dev_id, 'h264_bm', 'NV12', enc_params, 10)
|
||||
|
||||
def run_task(self):
|
||||
if not self.decoder.is_opened():
|
||||
print(f"错误: 无法打开视频流 {self.video_path}")
|
||||
return 0, 0
|
||||
enc_params = f"width=1920:height=1080:bitrate=2000:gop=32:gop_preset=2:framerate=12"
|
||||
self.encoder = sail.Encoder(output, self.dev_id, 'h264_bm', 'NV12', enc_params, 10)
|
||||
|
||||
frame_shape = self.decoder.get_frame_shape()
|
||||
print(f"视频帧形状: {frame_shape}")
|
||||
def run_task(self) -> bool:
|
||||
result_flog = True
|
||||
if not self.decoder.is_opened():
|
||||
self.logger.error(f"错误: 无法打开视频流 {self.video_path}")
|
||||
result_flog = False
|
||||
|
||||
frame_count = 0
|
||||
reconnect_count = 0
|
||||
@@ -73,82 +80,83 @@ class DetectVideoStream:
|
||||
try:
|
||||
while not self.stop_event.is_set():
|
||||
if self.max_frames > 0 and frame_count >= self.max_frames:
|
||||
print(f"\n达到最大帧数限制: {self.max_frames}")
|
||||
self.logger.warning(f"\n达到最大帧数限制: {self.max_frames}")
|
||||
result_flog = True
|
||||
break
|
||||
|
||||
# 读取一帧
|
||||
bmimg = sail.BMImage()
|
||||
ret = self.decoder.read(self.handle, bmimg)
|
||||
if ret != 0:
|
||||
print(f"读取帧失败，错误码: {ret}")
|
||||
self.logger.error(f"读取帧失败，错误码: {ret}")
|
||||
reconnect_count += 1
|
||||
|
||||
if reconnect_count > self.reconnect_attempts:
|
||||
print("视频流无法继续读取")
|
||||
self.logger.error("视频流无法继续读取")
|
||||
break
|
||||
|
||||
print(f"尝试重连 ({reconnect_count}/{self.reconnect_attempts})...")
|
||||
self.logger.info(f"尝试重连 ({reconnect_count}/{self.reconnect_attempts})...")
|
||||
time.sleep(self.reconnect_delay)
|
||||
self.decoder.release()
|
||||
decoder = sail.Decoder(self.video_path, True, self.dev_id)
|
||||
if decoder.is_opened():
|
||||
reconnect_count = 0
|
||||
print("重连成功，继续处理...")
|
||||
self.logger.info("重连成功，继续处理...")
|
||||
continue
|
||||
else:
|
||||
print("重连失败")
|
||||
self.logger.warning("重连失败")
|
||||
# time.sleep(0.01)
|
||||
|
||||
if self.frame_skip > 0 and frame_count % (self.frame_skip + 1) != 0:
|
||||
frame_count += 1
|
||||
if self.is_save:
|
||||
self.encoder.video_write(bmimg)
|
||||
continue
|
||||
|
||||
# 开始处理当前帧
|
||||
start_time = time.time()
|
||||
frame_count += 1
|
||||
|
||||
if frame_count % 10 == 0:
|
||||
print(f"处理第 {frame_count} 帧...")
|
||||
|
||||
# 检测
|
||||
for detector in self.detectors:
|
||||
detections = detector.detect(bmimg)
|
||||
self.logger.info(f"处理第 {frame_count} 帧...")
|
||||
|
||||
if len(detections) > 0:
|
||||
detections = detections[0]
|
||||
|
||||
filtered_detections = []
|
||||
for det in detections:
|
||||
if len(det) >= 6:
|
||||
x1, y1, x2, y2, conf, cls_id = det[:6]
|
||||
if conf > detector.conf_thresh:
|
||||
filtered_detections.append([x1, y1, x2, y2, conf, cls_id])
|
||||
|
||||
if len(filtered_detections) > 0:
|
||||
result_img = detector.draw_detections(bmimg, filtered_detections, None)
|
||||
else:
|
||||
result_img = bmimg
|
||||
else:
|
||||
result_img = bmimg
|
||||
filtered_detections_queue = Queue()
|
||||
|
||||
def thread_detect(bmimg, detector):
|
||||
filtered_detections = detector.detect(bmimg)
|
||||
filtered_detections_queue.put((detector, filtered_detections.copy()))
|
||||
|
||||
# 检测
|
||||
threads = []
|
||||
for detector in self.detectors:
|
||||
t = threading.Thread(target=thread_detect, args=(bmimg, detector, ))
|
||||
t.start()
|
||||
threads.append(t)
|
||||
for t in threads:
|
||||
t.join(timeout=2)
|
||||
|
||||
while not filtered_detections_queue.empty():
|
||||
detector, filtered_detections=filtered_detections_queue.get()
|
||||
if len(filtered_detections) > 0:
|
||||
bmimg = detector.draw_detections(bmimg, filtered_detections, None)
|
||||
|
||||
if self.is_save:
|
||||
self.encoder.video_write(result_img)
|
||||
self.encoder.video_write(bmimg) # type: ignore
|
||||
# time.sleep(0.01)
|
||||
|
||||
except KeyboardInterrupt:
|
||||
print("\n检测到键盘中断，停止处理")
|
||||
self.logger.info("\n检测到键盘中断，停止处理")
|
||||
result_flog = True
|
||||
except Exception as e:
|
||||
print(f"处理视频流时发生错误: {e}")
|
||||
self.logger.error(f"处理视频流时发生错误: {e}")
|
||||
result_flog = False
|
||||
|
||||
finally:
|
||||
# 清理资源
|
||||
self.decoder.release()
|
||||
if self.is_save:
|
||||
self.encoder.release()
|
||||
print("视频解码器已释放")
|
||||
self.logger.info("视频解码器已释放")
|
||||
|
||||
return result_flog
|
||||
|
||||
def stop_task(self):
|
||||
print("提前关闭")
|
||||
self.logger.info("提前关闭")
|
||||
self.stop_event.set()
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user