# Formats

In: a video with GPS inside, or a video plus a data file. Out: MP4.

## Video files

File extensions it opens: `.mp4` `.mov` `.insv` `.360` `.mkv`.

## GPS in the video

From these recordings MAPu reads the position and the other data on its own, without a separate file.

| Format | Extension |
| --- | --- |
| BlackVue dashcam | `.mp4` `.mov` |
| Dashcam text track (Garmin, Thinkware) | `.mp4` `.mov` |
| DJI drone / camera (data written into the video) | `.mp4` `.mov` |
| GoPro (data in the video) | `.mp4` `.mov` `.360` |
| Insta360 (data in the video) | `.mp4` `.mov` `.insv` |
| Novatek dashcam (Viofo, Vantrue, Transcend …) | `.mp4` `.mov` |

## Data files

If the camera writes no GPS, one of these files goes next to the video.

| Format | Extension |
| --- | --- |
| DJI drone SRT caption | `.srt` (next to the video, same name) |
| FIT file (Garmin / Wahoo / Coros / Suunto) | `.fit` |
| GPX file | `.gpx` |
| NMEA 0183 log | `.nmea` `.nma` `.txt` `.log` `.gps` (next to the video, same name) |
| RaceBox CSV | `.csv` |
| RaceChrono CSV | `.csv` |
| Registrator Viewer track (dashcam GPS, CSV) | `.csv` |
| TCX file (Garmin Training Center) | `.tcx` |
| Torque Pro log (OBD, CSV) | `.csv` |
| TrackAddict CSV | `.csv` |
| Racelogic VBO | `.vbo` |

## Output

| Codec | On NVIDIA | On the CPU |
| --- | --- | --- |
| H.264 (AVC) | `h264_nvenc` | `libx264` |
| H.265 (HEVC) | `hevc_nvenc` | `libx265` |
| AV1 | `av1_nvenc` | `libsvtav1` |

At startup the program tries what the computer can do and offers only that.

|  |  |
| --- | --- |
| Container | MP4 |
| Width | 320–7680 px (the height follows the video's aspect ratio) |
| Audio | Copy (original, no re-encoding), or AAC 96 / 128 / 192 / 256 / 320 kbps |
| In-between frames | Duplicate frames (fast) · Frame blending (fast) · Motion interpolation (slow, smoothest) |