<div dir="auto">I share your point of view because I am an old style underwater still photographer. But every second diver has a Gopro these days and if any of them use Subsurface the facility is probably useful. If I were a videographer I would probably use this option.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 24 Sep 2021, 17:47 Dirk Hohndel via subsurface, <<a href="mailto:subsurface@subsurface-divelog.org">subsurface@subsurface-divelog.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space"><br><div><br><blockquote type="cite"><div>On Sep 24, 2021, at 5:08 AM, Willem Ferguson via subsurface <<a href="mailto:subsurface@subsurface-divelog.org" target="_blank" rel="noreferrer">subsurface@subsurface-divelog.org</a>> wrote:</div><br><div><div>When right-clicking on a photo in the Subsurface Media tab on my desktop I just came across the option "Save dive data as subtitles". What does this do? I would like to include this in the user manual.<br></div></div></blockquote></div><div><br></div>Well, here's what the manual says today...<div><br></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px"><div><div><i>By right-clicking on a video and selecting the "Save dive data as subtitles" option, a subtitles</i></div></div><div><div><i>file with the same name as the video but with an ".ass" extension is created that contains</i></div></div><div><div><i>time dependent dive data (runtime, depth, temperature, NDL, TTS, surface GF) to be overlayed</i></div></div><div><div><i>with the video. The VLC video player automatically finds this file upon playing the video</i></div></div><div><div><i>and overlays the dive data. Alternatively, the ffmpeg video encoder can be used to create a</i></div></div><div><div><i>new video file with the dive data encoded in the video stream. To do so run</i></div></div><div><div><i><br></i></div></div><div><div><i> ffmpeg -v video.mp4 -vf "ass=video.ass" video_with_data.mp4</i></div></div><div><div><i><br></i></div></div><div><div><i>from the command line. You need to have the libass library installed.</i></div></div></blockquote><div><div><br></div><div><br></div><div>This is the classic example of a feature that one or two people wanted, one person implemented, and that no one uses or knows about.</div><div>I'm tempted to make a bet whether this actually works - or whether this works on a platform different from the one the implementer uses...</div></div><div><br></div><div>Well, this feature was added by Robert</div><div><br></div><div><div><font face="Courier New">commit 52105e521720c87e64dbd2519be7bbe5dc243439</font></div><div><font face="Courier New">Author: Robert C. Helling <<a href="mailto:helling@atdotde.de" target="_blank" rel="noreferrer">helling@atdotde.de</a>></font></div><div><font face="Courier New">Date: Sun Apr 14 16:19:23 2019 +0200</font></div><div><font face="Courier New"><br></font></div><div><font face="Courier New"> Write dive data as video subtitles</font></div><div><font face="Courier New"> </font></div><div><font face="Courier New"> This commit adds an entry to the dive media context</font></div><div><font face="Courier New"> menu which offers to write a subtitle file. This</font></div><div><font face="Courier New"> creates an .ass file for the selected videos.</font></div><div><font face="Courier New"> </font></div><div><font face="Courier New"> In an attempt to to clutter the screen too much, don't</font></div><div><font face="Courier New"> show irrelevant entries (zero temperature or</font></div><div><font face="Courier New"> NDL and show TTS only for dives with stops).</font></div><div><font face="Courier New"> </font></div><div><font face="Courier New"> VLC is able to show these subtitles directly, they</font></div><div><font face="Courier New"> can be integrated into the video file with ffmpeg.</font></div><div><font face="Courier New"> </font></div><div><font face="Courier New"> Signed-off-by: Robert C. Helling <<a href="mailto:helling@atdotde.de" target="_blank" rel="noreferrer">helling@atdotde.de</a>></font></div></div><div><br></div><div>So my guess is this works on macOS, this may work on Linux, this is unlikely to have ever been tested on Windows.</div><div><br></div><div>/D</div></div>_______________________________________________<br>
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