feat: [recorder] 检查录制的视频文件，文件存在问题时发送报警

isc_video_record/recorder.py

@@ -16,7 +16,7 @@ from isc_video_record.const import PROCESSING_CAMERA_KEY
 from isc_video_record.utils.api_helper import IntelabApiHelper, PlaybackUrlException
 from isc_video_record.utils.isc_client import HikVisionClient
 from isc_video_record.utils import aliyun_oss
-from isc_video_record.utils.record_utils import record_thread, get_video_duration, time_to_seconds
+from isc_video_record.utils.record_utils import record_thread, get_video_duration, time_to_seconds, judge_video_error
 from isc_video_record.utils.alarm_utils import send_alarm_to_developer
 from isc_video_record.db import mysql
 
@@ -307,7 +307,7 @@ class ProcessMessage:
             retry_count += 1
             complete_duration = (end_time - start_time).total_seconds()
 
-            (file_info, _), error_log = self.stream_record(playback_stream['stream_url'],
+            file_info, error_log = self.stream_record(playback_stream['stream_url'],
                                                       start_time, end_time)
             if error_log:
                 remark += ' ' + error_log
@@ -369,9 +369,14 @@ class ProcessMessage:
         file_name = os.path.join(
             video_path, 'rtmp_{}_{}_{}.mp4'.format(self.body['camera_code'], start_time, end_time))
         log.info('%s:stream_url: %s', self.body['camera_code'], stream_url)
-        # TODO 多进程处理
+        # TODO 出现ffmpeg进程阻塞的情况
         _, error_log = record_thread(stream_url, file_name, thread_name=self.body['camera_code'])
-        return get_video_duration(file_name), error_log
+        video_info, video_error_log = judge_video_error(file_name)
+        # TODO 查看出现损坏的视频发送报警
+        if video_error_log:
+            send_alarm_to_developer('recorder', 'file_name: {}, error_log: {}'.format(file_name, video_error_log),
+                                    mobiles=['15131601294'])
+        return video_info, error_log
 
     @staticmethod
     def write_retry_info_to_influx(camera_code, error_log):

isc_video_record/utils/alarm_utils.py

@@ -3,20 +3,19 @@ from threading import Thread
 from intelab_python_sdk.dingtalk import DingTalkMessage
 
 
-def send_alarm_to_developer(service_name, e):
+def send_alarm_to_developer(service_name, e, mobiles=None):
+    config = settings.get('DINGTALK')
+    mobiles = mobiles or config.get('MOBILES')
 
-    dingtalk_config = settings.get('DINGTALK')
-    dingtalk_mobiles = dingtalk_config.get('MOBILES')
-    dingtalk = DingTalkMessage(dingtalk_config.get('WEBHOOK'),
-                               dingtalk_config.get('SECRET'))
+    if isinstance(e, Exception):
         import traceback
         content = '告警：：\n{}服务模块出错：\n {}'.format(
             service_name, traceback.format_exc())
+    else:
+        content = e
 
-    t = Thread(target=dingtalk.send_text, args=(
-        content, dingtalk_mobiles, False
-    ))
-    t.start()
+    dt = DingTalkMessage(config.get('WEBHOOK'), config.get('SECRET'))
+    Thread(target=dt.send_text, args=(content, mobiles, False)).start()
 
 
 def send_markdown(title, text, mobiles=None):

isc_video_record/utils/record_utils.py

@@ -66,41 +66,6 @@ def record_thread(stream_url, out_file, thread_name='ffmpeg-log', protocol='rtmp
     return out_file, error_log
 
 
-def get_video_duration(file_name):
-    """
-    获取视频文件的持续时间、分辨率等信息
-    """
-    error_log = ''
-    duration = ['00:00:00']
-    bitrate = ['0']
-    resolution = ['0x0']
-    media_type = 'VideoHandler'
-    size = 0
-
-    log_buffer = subprocess.getoutput('ffmpeg -i {}'.format(file_name))
-    if 'moov atom not found' in log_buffer:
-        error_log += log_buffer
-    duration = re.findall(r'Duration: (\d\d:\d\d:\d\d)\.\d\d',
-                          log_buffer) or duration
-    bitrate = re.findall(r'bitrate: (\d+) kb/s',
-                         log_buffer) or bitrate
-    resolution = re.findall(r'(\d{3,4}x\d{3,4})', log_buffer) or resolution
-    if 'SoundHandler' in log_buffer:
-        media_type += '+SoundHandler'
-    if os.path.isfile(file_name):
-        size = os.path.getsize(file_name) / 1024.0 / 1024.0
-
-    video_info = {
-        'duration': duration[0],
-        'bitrate': bitrate[0],
-        'resolution': resolution[0],
-        'media_type': media_type,
-        'file_name': file_name,
-        'size': size
-    }
-    return video_info, error_log
-
-
 def time_to_seconds(duration):
     """
     时间字符串转换成秒
@@ -135,3 +100,48 @@ def get_time_str(seconds):
 
     s += str(':%02d' % seconds)
     return s
+
+
+def judge_video_error(file_name):
+    """
+    :param file_name: 文件路径
+    :return duration, bitrate, error_log
+    """
+    # 通过ffmpeg打开文件两次判定文件是否花屏
+    video_info, error_log = get_video_duration(file_name)
+    *_, error_log = get_video_duration(file_name, video_info['duration'])\
+        if not error_log else (video_info, error_log)
+    return video_info, error_log
+
+
+def get_video_duration(file_name, start_time='00:00:00', key_word='block unavailable'):
+    resolution,  duration, bitrate, media_type = ['0x0'], ['00:00:00'], ['0'], 'VideoHandler'
+    size, error_log = 0, ''
+
+    log_buffer = subprocess.getoutput(
+        'ffmpeg -y -ss {} -i {} -t 1 -vframes 1 /tmp/tmp.jpg'.format(start_time, file_name))
+
+    if 'moov atom not found' in log_buffer:
+        error_log += log_buffer
+    if 'Impossible to open' in log_buffer:
+        error_log = log_buffer
+    if key_word in log_buffer:
+        error_log = log_buffer
+    if 'errors in I frame' in log_buffer:
+        error_log += log_buffer
+
+    duration = re.findall(r'Duration: (\d\d:\d\d:\d\d)\.\d\d', log_buffer) or duration
+    bitrate = re.findall(r'bitrate: (\d+) kb/s', log_buffer) or bitrate
+    resolution = re.findall(r'(\d{3,4}x\d{3,4})', log_buffer) or resolution
+
+    if 'SoundHandler' in log_buffer:
+        media_type += '+SoundHandler'
+    if os.path.isfile(file_name):
+        size = os.path.getsize(file_name) / 1024.0 / 1024.0
+
+    video_info = {
+        'duration': duration[0], 'bitrate': bitrate[0],
+        'resolution': resolution[0], 'media_type': media_type,
+        'file_name': file_name, 'size': round(size, 2)
+    }
+    return video_info, error_log

setup.py

@@ -24,7 +24,7 @@ requires = [
 
 setuptools.setup(
     name='isc-video-record',
-    version='1.0.0b13',
+    version='1.0.0b14',
     description='ISC motion detection playback video stream recording service.',
     long_description=long_description,
     long_description_content_type='text/markdown',