[FFmpeg-devel] Merging dashcam videos and adding merged GPX data to final video

[epirat07 at gmail.com]

On 23 Jul 2024, at 9:26, Prem Thogiti wrote:

> Hi Team,
>

Hi,
I believe this is the wrong list for such a question.

This is the development list, you want to ask on ffmpeg-user instead.

https://ffmpeg.org/mailman/listinfo/ffmpeg-user

> I have a folder with 100+ mp4 files (each 1min duration) and its
> corresponding gpx file extracted from a GPS enabled dashcam device.
>
> Each individual mp4 file has geotagging information for each 1 sec as shown
> below.
>
> SampleTime                      : 29.00 s
> SampleDuration                  : 1.00 s
> GPSLatitude                     : 48 deg 54' 18.95" N
> GPSLongitude                    : 2 deg 16' 48.06" E
> GPSSpeed                        : 51.4989
> GPSDateTime                     : 2022:05:18 09:40:39.000Z
> SampleTime                      : 0:00:30
> SampleDuration                  : 0 s
> Text                            :
> SampleTime                      : 0:00:30
> SampleDuration                  : 1.00 s
> GPSLatitude                     : 48 deg 54' 19.17" N
> GPSLongitude                    : 2 deg 16' 48.37" E
> GPSSpeed                        : 51.4989
> GPSDateTime                     : 2022:05:18 09:40:40.000Z
> SampleTime                      : 0:00:31
> SampleDuration                  : 0 s
> Text                            :
>
>
> Right now I need to merge every 5 consecutive mp4 files together to have
> 5min video and also retain such geotagging metadata for 5 mins. I was able
> to generate a merged mp4 file but I could not add geotagging information
> either from the merged gpx file.
>
> CodeSelect
> ls *.MP4 | awk '{print "file '\''" $0 "'\''"}' > filelist.txt
> ffmpeg -f concat -safe 0 -i filelist.txt -c copy merged.mp4
> Does this exiftool support adding geotagging GPX data to mp4 file? if yes,
> please point to the details
>
> Or may be any other tool which does this job, would love to explore.
>
> Any help would be much appreciated in this regard.
>
> -Prem
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