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tweak input params and gracefully kill ffmpeg

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blakeblackshear 2019-08-10 21:05:15 -05:00 committed by Blake Blackshear
parent 2ec45cd1b6
commit ebaa8fac01
2 changed files with 28 additions and 14 deletions
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6
config/config.yml
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@ -47,6 +47,12 @@ cameras:
# - -hwaccel_output_format
# - yuv420p
################
# Optional custom input args. Some cameras may need custom ffmpeg params to work reliably. Specifying
# these will replace the default input params.
################
# ffmpeg_input_args: []
regions:
- size: 350
x_offset: 0

32
frigate/video.py
View File

@ -122,6 +122,17 @@ class Camera:
self.rtsp_url = get_rtsp_url(self.config['rtsp'])
self.take_frame = self.config.get('take_frame', 1)
self.ffmpeg_hwaccel_args = self.config.get('ffmpeg_hwaccel_args', [])
self.ffmpeg_input_args = self.config.get('ffmpeg_input_args', [
'-avoid_negative_ts', 'make_zero',
'-fflags', 'nobuffer',
'-flags', 'low_delay',
'-strict', 'experimental',
'-fflags', '+genpts+discardcorrupt',
'-vsync', 'drop',
'-rtsp_transport', 'tcp',
'-stimeout', '5000000',
'-use_wallclock_as_timestamps', '1'
])
self.regions = self.config['regions']
self.frame_shape = get_frame_shape(self.rtsp_url)
self.frame_size = self.frame_shape[0] * self.frame_shape[1] * self.frame_shape[2]
@ -194,9 +205,16 @@ class Camera:
def start_or_restart_capture(self):
if not self.ffmpeg_process is None:
print("Killing the existing ffmpeg process...")
print("Terminating the existing ffmpeg process...")
self.ffmpeg_process.terminate()
try:
print("Waiting for ffmpeg to exit gracefully...")
self.ffmpeg_process.wait(timeout=30)
except sp.TimeoutExpired:
print("FFmpeg didnt exit. Force killing...")
self.ffmpeg_process.kill()
self.ffmpeg_process.wait()
print("Waiting for the capture thread to exit...")
self.capture_thread.join()
self.ffmpeg_process = None
@ -215,21 +233,11 @@ class Camera:
ffmpeg_global_args = [
'-hide_banner', '-loglevel', 'panic'
]
ffmpeg_input_args = [
'-avoid_negative_ts', 'make_zero',
'-fflags', 'nobuffer',
'-flags', 'low_delay',
'-strict', 'experimental',
'-fflags', '+genpts',
'-rtsp_transport', 'tcp',
'-stimeout', '5000000',
'-use_wallclock_as_timestamps', '1'
]
ffmpeg_cmd = (['ffmpeg'] +
ffmpeg_global_args +
self.ffmpeg_hwaccel_args +
ffmpeg_input_args +
self.ffmpeg_input_args +
['-i', self.rtsp_url,
'-f', 'rawvideo',
'-pix_fmt', 'rgb24',