---
# System prepended metadata

title: Check Data Streams

---

# Check Data Streams

```
% ffprobe GX015559.MP4
[…]
Stream #0:0(eng): Video: hevc (Main) (hvc1 / 0x31637668), yuvj420p(pc, bt709), 2704x2028 [SAR 1:1 DAR 4:3], 77950 kb/s, 59.94 fps, 59.94 tbr, 60k tbn, 59.94 tbc (default)
Metadata:
  creation_time   : 2016-01-13T03:00:18.000000Z
  handler_name    : GoPro H.265
  encoder         : GoPro H.265 encoder
  timecode        : 03:03:10:25
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 189 kb/s (default)
Metadata:
  creation_time   : 2016-01-13T03:00:18.000000Z
  handler_name    : GoPro AAC  
  timecode        : 03:03:10:25
Stream #0:2(eng): Data: none (tmcd / 0x64636D74) (default)
Metadata:
  creation_time   : 2016-01-13T03:00:18.000000Z
  handler_name    : GoPro TCD  
  timecode        : 03:03:10:25
Stream #0:3(eng): Data: bin_data (gpmd / 0x646D7067), 30 kb/s (default)
Metadata:
  creation_time   : 2016-01-13T03:00:18.000000Z
  handler_name    : GoPro MET  
Stream #0:4(eng): Data: none (fdsc / 0x63736466), 13 kb/s (default)
Metadata:
  creation_time   : 2016-01-13T03:00:18.000000Z
  handler_name    : GoPro SOS 
```

# Replace Video

```
ffmpeg -i GX015559.MP4 -i out.mp4 -shortest -map 0:1 -map 0:2 -map 0:3 -map 0:4 -map 1 -c copy replaced-video.avi
```