[vlmc-devel] Media: Add a method to create a subclip

[Hugo Beauzée-Luyssen]

vlmc | branch: medialibrary | Hugo Beauzée-Luyssen <hugo at beauzee.fr> | Fri Aug 19 00:47:38 2016 +0200| [4d917eac9324da83c05cfb3d0ad452a179e5727c] | committer: Hugo Beauzée-Luyssen

Media: Add a method to create a subclip

And use it from the PreviewWidget

> https://code.videolan.org/videolan/vlmc/commit/4d917eac9324da83c05cfb3d0ad452a179e5727c
---

 src/Gui/preview/PreviewWidget.cpp | 4 +++-
 src/Media/Media.cpp               | 6 ++++++
 src/Media/Media.h                 | 7 +++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/Gui/preview/PreviewWidget.cpp b/src/Gui/preview/PreviewWidget.cpp
index 7557933..c4dfb55 100644
--- a/src/Gui/preview/PreviewWidget.cpp
+++ b/src/Gui/preview/PreviewWidget.cpp
@@ -28,6 +28,7 @@
 #include <memory>
 
 #include "Media/Clip.h"
+#include "Media/Media.h"
 #include "Renderer/ClipRenderer.h"
 #include "Backend/MLT/MLTOutput.h"
 #include "PreviewWidget.h"
@@ -240,6 +241,7 @@ PreviewWidget::createNewClipFromMarkers()
     Clip* clip = clipRenderer->getClip();
     if ( clip == nullptr )
         return ;
+    auto media = clip->media();
     qint64  beg = m_ui->rulerWidget->getMarker( PreviewRuler::Start );
     qint64  end = m_ui->rulerWidget->getMarker( PreviewRuler::Stop );
 
@@ -250,7 +252,7 @@ PreviewWidget::createNewClipFromMarkers()
         return ;
 
     beg = beg < 0 ? 0 : beg;
-    Clip*   part = new Clip( clip, beg, end );
+    Clip*   part = media->cut( beg, end );
 
     //Adding the newly created clip to the media
     if ( clip->addSubclip( part ) == false )
diff --git a/src/Media/Media.cpp b/src/Media/Media.cpp
index da8231d..e2e0990 100644
--- a/src/Media/Media.cpp
+++ b/src/Media/Media.cpp
@@ -116,6 +116,12 @@ Media::id() const
     return m_mlMedia->id();
 }
 
+Clip*
+Media::cut(qint64 begin, qint64 end)
+{
+    return new Clip( m_baseClip, begin, end );
+}
+
 QVariant
 Media::toVariant() const
 {
diff --git a/src/Media/Media.h b/src/Media/Media.h
index d204fb7..0f72140 100644
--- a/src/Media/Media.h
+++ b/src/Media/Media.h
@@ -91,6 +91,13 @@ public:
 
     Clip*                       baseClip() { return m_baseClip; }
     const Clip*                 baseClip() const { return m_baseClip; }
+    /**
+     * @brief cut   Creates a clip to represent a cut of a media
+     * @param begin The first frame of the cut
+     * @param end   The last frame of the cut
+     * @return      A new Clip, representing the media from [begin] to [end]
+     */
+    Clip*                       cut( qint64 begin, qint64 end );
 
     QVariant                    toVariant() const;