I’m trying to make a video with about 1000 photos. I would like to set the duration of each photo to 00:00:01:28. Furthermore, I prefer not to use the slideshow clip, because I would like to change the duration of some of my photographs in the video.
I went into the configuration menu and set the time wanted :
But I do not understand why, I’ve been researching and struggling since yesterday, the time sets at 00:00:02:04 It is visible in the clip properties, but can not change it…
Help please, my only option for now is to change 1000 photos clip duration one by one
The timecode notation is hh:mm:ss:ff. So 1:28 is 1 second and 28 frames. If the project is set to 24fps, 1:28 is converted to 2:04 because 28 frames is 1 second and 4 frames
Thank you very much for the precise answer. I understand now that there is a connection between the frames setting and the time duration setting of a clip. I do not quite get the mathematics of it I’ve fiddled with the settings (lower/higher frame rates vs. clip duration), can not get to make my clip last for 1,28 seconds … it works fine under 1,23 seconds. Could you please solve this math problem ? How should I configure Kdenlive in order to get a clip at 1,28 seconds ?
1,28 (or 1.28) seconds is 1 second and 28/100th. Divide the fps by 1.28 and you get the number of frames for 1.28s of your video. If the division result is a fraction adjust the fps until you get a result without decimal points. For example, @ 25fps you need 32 frames for 1.28 seconds of film. So the duration setting for the clip is 00:00:01:07 - 1 second and 7 frames.
At the end, the duration of a clip on the mixing table and in the clip properties appears at 1,07 seconds… and not 1,28 as expected… Did I do something wrong ?
No, but you are reading the timecode wrong: The duration of a clip is given in hh:mm:ss:ff. In your case 00:00:01:07 is 1 second and 7 frames, which at 25 fps is 1.28 seconds.
It is visible in the clip properties, but can not change it…
I’ve fiddled with the settings (lower/higher frame rates vs. clip duration), can not get to make my clip last for 1,28 seconds … 
it works fine under 1,23 seconds. Could you please solve this math problem ? How should I configure Kdenlive in order to get a clip at 1,28 seconds ? 
