Drift Ghost XL

Version 7.1 by Leon Poon on 2021/04/14 11:55

upc 710535815474.

First run on a new device, from fully charged battery until auto-off, just leaving it in the living room filming a ticking LED clock. Firmware version 2026 (per the number displayed on the device). Timestamping on video image is switched ON. 1080p 30fps.

Sandisk 128gb micro sdcard formatted in device just prior to starting test. Disk usage at the end of the test:

$ df -h /mnt/disk
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       120G   58G   63G  48% /mnt/disk

ffmpeg -i output:

303M 2021-04-13 23:25 VID00001.MP4  Duration: 00:03:20.43, start: 0.000000, bitrate: 12678 kb/s
156M 2021-04-13 23:27 VID00002.MP4  Duration: 00:01:37.36, start: 0.000000, bitrate: 13386 kb/s
216M 2021-04-13 23:30 VID00003.MP4  Duration: 00:02:24.64, start: 0.000000, bitrate: 12469 kb/s
 84M 2021-04-13 23:31 VID00004.MP4  Duration: 00:00:57.76, start: 0.000000, bitrate: 12061 kb/s
 96M 2021-04-13 23:32 VID00005.MP4  Duration: 00:01:02.20, start: 0.000000, bitrate: 12837 kb/s
 68M 2021-04-13 23:33 VID00006.MP4  Duration: 00:00:39.67, start: 0.000000, bitrate: 14171 kb/s
120M 2021-04-13 23:34 VID00007.MP4  Duration: 00:01:19.11, start: 0.000000, bitrate: 12632 kb/s
107M 2021-04-13 23:36 VID00008.MP4  Duration: 00:01:11.20, start: 0.000000, bitrate: 12605 kb/s
 93M 2021-04-13 23:37 VID00009.MP4  Duration: 00:00:53.39, start: 0.000000, bitrate: 14605 kb/s
184M 2021-04-13 23:39 VID00010.MP4  Duration: 00:01:58.65, start: 0.000000, bitrate: 12969 kb/s
 62M 2021-04-13 23:40 VID00011.MP4  Duration: 00:00:44.81, start: 0.000000, bitrate: 11589 kb/s
 63M 2021-04-13 23:41 VID00012.MP4  Duration: 00:00:39.21, start: 0.000000, bitrate: 13440 kb/s
140M 2021-04-13 23:42 VID00013.MP4  Duration: 00:01:28.66, start: 0.000000, bitrate: 13195 kb/s
 60M 2021-04-13 23:43 VID00014.MP4  Duration: 00:00:38.47, start: 0.000000, bitrate: 12949 kb/s
128M 2021-04-13 23:44 VID00015.MP4  Duration: 00:01:15.58, start: 0.000000, bitrate: 14166 kb/s
 91M 2021-04-13 23:45 VID00016.MP4  Duration: 00:00:55.86, start: 0.000000, bitrate: 13648 kb/s
160M 2021-04-13 23:47 VID00017.MP4  Duration: 00:01:39.27, start: 0.000000, bitrate: 13439 kb/s
 88M 2021-04-13 23:48 VID00018.MP4  Duration: 00:00:58.46, start: 0.000000, bitrate: 12492 kb/s
 76M 2021-04-13 23:49 VID00019.MP4  Duration: 00:00:49.32, start: 0.000000, bitrate: 12785 kb/s
 72M 2021-04-13 23:50 VID00020.MP4  Duration: 00:00:40.17, start: 0.000000, bitrate: 14893 kb/s
260M 2021-04-13 23:53 VID00021.MP4  Duration: 00:02:46.73, start: 0.000000, bitrate: 13031 kb/s
100M 2021-04-13 23:54 VID00022.MP4  Duration: 00:01:01.26, start: 0.000000, bitrate: 13563 kb/s
 80M 2021-04-13 23:55 VID00023.MP4  Duration: 00:00:46.35, start: 0.000000, bitrate: 14384 kb/s
3.3G 2021-04-14 00:25 VID00024.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 15807 kb/s
3.3G 2021-04-14 00:55 VID00025.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 15507 kb/s
3.0G 2021-04-14 01:25 VID00026.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 14235 kb/s
3.1G 2021-04-14 01:55 VID00027.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 14476 kb/s
3.1G 2021-04-14 02:25 VID00028.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 14428 kb/s
3.2G 2021-04-14 02:55 VID00029.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 14898 kb/s
3.3G 2021-04-14 03:24 VID00030.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 15728 kb/s
3.4G 2021-04-14 03:54 VID00031.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 16120 kb/s
3.3G 2021-04-14 04:24 VID00032.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 15661 kb/s
3.1G 2021-04-14 04:54 VID00033.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 14679 kb/s
3.1G 2021-04-14 05:24 VID00034.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 14589 kb/s
3.1G 2021-04-14 05:54 VID00035.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 14789 kb/s
3.3G 2021-04-14 06:23 VID00036.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 15400 kb/s
3.4G 2021-04-14 06:53 VID00037.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 15929 kb/s
3.4G 2021-04-14 07:23 VID00038.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 16120 kb/s
3.4G 2021-04-14 07:53 VID00039.MP4  Duration: 00:29:50.59, start: 0.000000, bitrate: 16120 kb/s
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'VID00039.MP4':
  Metadata:
    major_brand     : avc1
    minor_version   : 0
    compatible_brands: avc1isom
    creation_time   : 2021-04-14T07:23:25.000000Z
  Duration: 00:29:50.59, start: 0.000000, bitrate: 16120 kb/s
    Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 15987 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      creation_time   : 2021-04-14T07:23:25.000000Z
      handler_name    :  Ambarella AVC
      encoder         : Ambarella AVC encoder
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 128 kb/s (default)
    Metadata:
      creation_time   : 2021-04-14T07:23:25.000000Z
      handler_name    :  Ambarella AAC

There is also a 3.4G 2021-04-14 08:21 VID00040.MP4 that cannot be played by VLC. Still, Linux file command identify it as VID00040.MP4: ISO Media, MPEG v4 system, 3GPP JVT AVC [ISO 14496-12:2005]. ffmpeg says:

[mov,mp4,m4a,3gp,3g2,mj2 @ 0x55cff13c1600] moov atom not found
VID00040.MP4: Invalid data found when processing input