[OSM-talk] OsmAnd audio files and JOSM

Barnett, Phillip PHILLIP.BARNETT at ITN.CO.UK
Tue Feb 4 21:22:30 UTC 2014


If the time of day is accurate, then just use ‘touch’ to change the date.




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From: Martyn Evans [mailto:info at dynoyo.plus.com]
Sent: 04 February 2014 20:00
To: talk at openstreetmap.org
Subject: Re: [OSM-talk] OsmAnd audio files and JOSM

On 04/02/14 19:12, Arlindo Pereira wrote:
I think that when you convert the files, the new file has a different timestamp, hence JOSM can't figure out where in time it goes.

Arlindo

On Mon, Feb 3, 2014 at 3:03 PM, Martyn Evans <info at dynoyo.plus.com<mailto:info at dynoyo.plus.com>> wrote:
I'm trying to use OsmAnd for audio annotated mapping, making short files for each point of interest.  The tracks are accurate, and the waypoints of the audio files are displayed correctly when the track file is opened in JOSM.

I converted a few of the OsmAnd .3gp files to .wav using ffmpeg via the gui WinFF, and they play back OK.

Importing audio in JOSM, I get a message that "some waypoints with timestamps from before the start of the track or after the end were omitted or moved to the start".  Click on the filename on the map, and the message is "This is after the end of the recording".

How does JOSM get the date and time from the audio files?   Can the dates be checked, and the files be re-dated ?

Martyn





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I just checked with new files from a track made today:

Leaving the files on the phone, connect via usb and ffmpeg -i gives a date of

1948-02-04 for a file created on 2014-02-04.  The times are correct.
This metadata was preserved through the conversions and transfers.

Photos taken on the same track have correct date/time and display correctly in JOSM.

Martyn

( using OsmAnd 1.6.5 beta on Android 4.0.4, latest JOSM and Ubuntu 13.10 )
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