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Add timeout to capture in case we never see a EOT (which is used to release the TG "focus")

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This commit is contained in:
Mike Zingman 2015-12-05 17:37:16 -05:00
parent eb48513cf0
commit f039cb7d10
1 changed files with 9 additions and 2 deletions
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7
ambe_audio.py
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@ -17,6 +17,7 @@ from bitstring import BitArray
import sys, socket, ConfigParser, thread, traceback import sys, socket, ConfigParser, thread, traceback
import cPickle as pickle import cPickle as pickle
from dmrlink import IPSC, NETWORK, networks, logger, int_id, hex_str_3, get_info, talkgroup_ids, subscriber_ids from dmrlink import IPSC, NETWORK, networks, logger, int_id, hex_str_3, get_info, talkgroup_ids, subscriber_ids
from time import time
__author__ = 'Cortney T. Buffington, N0MJS' __author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2015 Cortney T. Buffington, N0MJS and the K0USY Group' __copyright__ = 'Copyright (c) 2015 Cortney T. Buffington, N0MJS and the K0USY Group'
@ -49,6 +50,7 @@ class ambeIPSC(IPSC):
_tg_filter = [2,3,13,3174,3777215,3100,9,9998,3112] #set this to the tg to monitor _tg_filter = [2,3,13,3174,3777215,3100,9,9998,3112] #set this to the tg to monitor
_no_tg = -99 _no_tg = -99
_sock = -1; _sock = -1;
lastPacketTimeout = 0
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
IPSC.__init__(self, *args, **kwargs) IPSC.__init__(self, *args, **kwargs)
@ -134,6 +136,10 @@ class ambeIPSC(IPSC):
self._currentTG = _tg_id self._currentTG = _tg_id
else: else:
if self._currentTG != _tg_id: if self._currentTG != _tg_id:
if time() > self.lastPacketTimeout:
self._currentTG = self._no_tg #looks like we never saw an EOT from the last stream
print('EOT timeout')
else:
print('Transmission in progress, will not decode stream on TG {}'.format(_tg_id)) print('Transmission in progress, will not decode stream on TG {}'.format(_tg_id))
if self._currentTG == _tg_id: if self._currentTG == _tg_id:
if _payload_type == BURST_DATA_TYPE['VOICE_TERM']: if _payload_type == BURST_DATA_TYPE['VOICE_TERM']:
@ -143,6 +149,7 @@ class ambeIPSC(IPSC):
self.outputFrames(_ambe_frames, _ambe_frame1, _ambe_frame2, _ambe_frame3) self.outputFrames(_ambe_frames, _ambe_frame1, _ambe_frame2, _ambe_frame3)
if _payload_type == BURST_DATA_TYPE['SLOT2_VOICE']: if _payload_type == BURST_DATA_TYPE['SLOT2_VOICE']:
self.outputFrames(_ambe_frames, _ambe_frame1, _ambe_frame2, _ambe_frame3) self.outputFrames(_ambe_frames, _ambe_frame1, _ambe_frame2, _ambe_frame3)
self.lastPacketTimeout = time() + 10
else: else:
if _payload_type == BURST_DATA_TYPE['VOICE_HEAD']: if _payload_type == BURST_DATA_TYPE['VOICE_HEAD']: