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<p>Hi all,
</p>
<p>I got a strange/buggy behavior with the split view feature (that allows you to split your screen: half with effects on/half with effects off).</p>
<p>Here are the steps to reproduce the problem:</p>
<p>1 - Create a new project
</p>
<p>2 - Add to the bin a footage that contains audio+video
</p>
<p>3 - Add the footage to the timeline
</p>
<p>4 - Add the Colorize effect to the clip on the timeline (tried with different effects, like greyscale, </p>
<p>5 - Place the playhead inside the clip on the timeline. In the monitor, the clip should appear blueish
</p>
<p>6 - Click on the Compare Effect icon in the properties panel (at the top of the effect stack applied to the clip).
</p>
<p>Expected result :
</p>
<p>In the monitor, half of the clip is blueish, half has the natural colors.</p>
<p>Actual resut :
</p>
<p>In the monitor, the clip has the natural colors, as if the effect had been disabled. But if you hover on the monitor, you can see the draggable red line and "Effect" label.</p>
<p>
</p>
<p>But, if you do the same steps, but only apply the effect to the video part it works as expected
</p>
<p>1 - Create a new project
</p>
<p>2 - Add to the bin a footage that contains audio+video
</p>
<p>3 - Add the footage to the timeline
</p>
<p>4 - Add the Colorize effect to the clip on the timeline (tried with different effects, like greyscale,
</p>
<p>5- Right click on the clip on the timeline, choose Ungroup.</p>
<p>6 - Click on the audio part, and press "Delete"
</p>
<p>5 - Place the playhead inside the clip on the timeline. In the monitor, the clip should appear blueish</p>
<p>6 - Select your video clip in the timeline
</p>
<p>7 - Click on the Compare Effect icon in the properties panel (at the top of the effect stack applied to the clip).</p>
<p>Result :
</p>
<p>As expected, in the monitor, half of the clip is blueish, half has the natural colors.</p>
<p>I observe the same behavior with the following 5 different configurations:
</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">- Ubuntu 19.04,
</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> - Kdenlive, Version 19.04.3 (rev. 6657c4f62 - compiled from sources), MLT version 6.15.0, KDE Frameworks 5.56.0, Qt 5.12.2 </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> - kdenlive-19.11.80-afafd1f-x86_64.appimage, MLT version 6.17.0, KDE Frameworks 5.61.0, Qt 5.12.4
</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">- Ubuntu 19.10,
</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> - Kdenlive Version 19.11.80 (rev. 8d8887b57 compiled from source), MLT version 6.16.0, KDE Frameworks 5.62.0, Qt 5.12.4
- kdenlive-19.11.80-afafd1f-x86_64.appimage, MLT version 6.17.0, KDE Frameworks 5.61.0, Qt 5.12.4</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"> - kdenlive-19.08.1-x86_64.appimage, MLT version 6.17.0, KDE Frameworks 5.61.0, Qt 5.12.4
</p>
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<p>Does anyone else encounter the same problem?</p>
<p>Thanks !</p>
<p>Camille
</p>
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