https://bugs.kde.org/show_bug.cgi?id=394087
Bug ID: 394087
Summary: Motion > Speed effect not working on videos without
audio track
Product: kdenlive
Version: 18.04.0
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Effects & Transitions
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
When applying the Speed effect to certain videos, the video preview/render goes
totally black.
If I re-render the video using kdenlive and I apply the effect on the resulting
video it works
I've tried 17.12 and 18.04 versions and both are affected.
Input video
-----------
Input #0, matroska,webm, from 'Screencast_10-05-18_13:00:01.webm':
Metadata:
encoder : GStreamer matroskamux version 1.14.0
creation_time : 2018-05-10T11:00:03.000000Z
Duration: 00:04:17.05, start: 0.019000, bitrate: 65 kb/s
Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv), 831x757, SAR 1:1 DAR
831:757, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)
Metadata:
title : Video
Same input video re-rendered with an extra audio track
------------------------------------------------------
Input #0, matroska,webm, from '../Documents/untitled.webm':
Metadata:
ENCODER : Lavf57.83.100
Duration: 00:05:03.00, start: 0.000000, bitrate: 439 kb/s
Stream #0:0: Video: vp8, yuv420p(bt709/unknown/bt709, progressive),
1920x1080, SAR 1:1 DAR 16:9, 1k fps, 25 tbr, 1k tbn, 1k tbc (default)
Metadata:
DURATION : 00:05:03,003000000
Stream #0:1: Audio: vorbis, 48000 Hz, stereo, fltp (default)
Metadata:
DURATION : 00:05:02,956000000
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