Bug 477771

Summary: When using Sequences - Transparency Profiles doesn't render transparent and replaces it Black background
Product: [Applications] kdenlive Reporter: sherkhan30452
Component: Rendering & ExportAssignee: Jean-Baptiste Mardelle <jb>
Status: RESOLVED FIXED    
Severity: normal    
Priority: NOR    
Version First Reported In: 23.08.3   
Target Milestone: ---   
Platform: Other   
OS: Microsoft Windows   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: Screenshot of Sequence Demo

Description sherkhan30452 2023-11-30 13:37:26 UTC
Created attachment 163656 [details]
Screenshot of Sequence Demo

SUMMARY
When exporting in

STEPS TO REPRODUCE
1. Create a simple animation (for example crop (keyframable) )
2. Create a second sequence and add 1st sequence to the timeline
3. Apply transform effect in the timeline sequence.
4. Make sure you are second Sequence, click render, choose any alpha profile. Hence you will see the background rendered black instead of transparent.

OBSERVED RESULT
Renders Black Background

EXPECTED RESULT
Renders Transparent Background

SOFTWARE/OS VERSIONS
Windows: Windows 10 Home Single LanguageVersion 22H2
KDE Plasma Version: 
KDE Frameworks Version: 5.111.0
Qt Version: Version 5.15.10 (built against 5.15.10)

ADDITIONAL INFORMATION
Note: Tested on laptop without Graphics card, i.e, on only Intel GPU (Intel(R) Core(TM) i3-8145U CPU @ 2.10GHz   2.30 GHz)
Comment 1 Jean-Baptiste Mardelle 2023-11-30 14:45:05 UTC
Git commit 8a7ed69df3b6588a7b372ce704ede829a7a752f8 by Jean-Baptiste Mardelle.
Committed on 30/11/2023 at 15:44.
Pushed by mardelle into branch 'master'.

Fix transparency lost on rendering nested sequences

M  +1    -1    src/doc/kdenlivedoc.cpp

https://invent.kde.org/multimedia/kdenlive/-/commit/8a7ed69df3b6588a7b372ce704ede829a7a752f8
Comment 2 Jean-Baptiste Mardelle 2023-12-02 11:30:29 UTC
Git commit a9a6067bdf41024c4fb8590279895f5ce5e74adf by Jean-Baptiste Mardelle.
Committed on 02/12/2023 at 12:29.
Pushed by mardelle into branch 'release/23.08'.

Fix transparency lost on rendering nested sequences

M  +1    -1    src/doc/kdenlivedoc.cpp

https://invent.kde.org/multimedia/kdenlive/-/commit/a9a6067bdf41024c4fb8590279895f5ce5e74adf