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Add support for Viofo A119S with firmware 4.0. #8

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Add support for Viofo A119S with firmware 4.0. #8

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70ba99c
Add support for Viofo A119S with firmware 4.0.
lordsutch Jun 21, 2021
63648f2
Also support A119S MP4 files, which seem to put the GPS data at anoth…
lordsutch Jun 21, 2021
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25 changes: 23 additions & 2 deletions ts_processor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,11 @@ def detect_file_type(input_file):
make = "Viofo"
model = "A119 V3"

if bytes("\xB0\x0D\x30\x34\xC3", encoding="raw_unicode_escape") in input_packet[20:40] or args.device_override == "S":
device = "S"
make = "Viofo"
model = "A119S"

if bytes("\x40\x1F\x4E\x54\x39", encoding="raw_unicode_escape") in input_packet[4:20] or args.device_override == "B":
device = "B"
make = "Blueskysea"
Expand Down Expand Up @@ -226,6 +231,17 @@ def detect_file_type(input_file):
make = "Viofo"
model = "A119 V3"
break
bs = list(input_packet[-54:])
active = chr(bs[34])
lathem = chr(bs[35])
lonhem = chr(bs[36])
if lathem in "NS" and lonhem in "EW":
device = "S"
print ("Autodetected as Viofo A119S")
make = "Viofo"
model = "A119S"
break

if input_file.lower().endswith(".mp4"): #Guess which MP4 method is used: Novatek, Subtitle, NMEA
with open(input_file, "rb") as fx:

Expand Down Expand Up @@ -310,6 +326,9 @@ def get_gps_data_nt (input_ts_file, device):
for startbyte in startbytes:
currentdata = {}
input_packet = largeelem[startbyte+2:startbyte+188]
if int.from_bytes(input_packet[10:14], byteorder='little') == 0:
# Viofo A119S seems to put the data somewhere else...
input_packet = input_packet[32:]
bs = list(input_packet)
hour = int.from_bytes(input_packet[10:14], byteorder='little')
minute = int.from_bytes(input_packet[14:18], byteorder='little')
Expand Down Expand Up @@ -485,7 +504,9 @@ def get_gps_data_ts (input_ts_file, device):
locdata[packetno] = currentdata
packetno += 1
#print ('20{0:02}-{1:02}-{2:02} {3:02}:{4:02}:{5:02}'.format(year,month,day,hour,minute,second),active,lathem,lonhem,lat,lon,speed,bearing, sep=';')
if device == 'V' and input_packet.startswith(bytes("\x47\x43\x00", encoding="raw_unicode_escape")):
if device in ('V', 'S') and input_packet.startswith(bytes("\x47\x43\x00", encoding="raw_unicode_escape")):
if device == 'S':
input_packet = input_packet[-54:]
bs = list(input_packet)
hour = int.from_bytes(input_packet[10:14], byteorder='little')
minute = int.from_bytes(input_packet[14:18], byteorder='little')
Expand Down Expand Up @@ -547,7 +568,7 @@ def get_gps_data_ts (input_ts_file, device):
interval = 1
locdata = {}
packetno = 0
if device in "BV":
if device in "BVS":
locdata,packetno = get_gps_data_ts(input_ts_file, device)
if device in "T":
locdata,packetno = get_gps_data_nt(input_ts_file, device)
Expand Down