From 9c731b9bd47481c17a4ba76ab697fd0095affe16 Mon Sep 17 00:00:00 2001
From: lilo_booter <lilo_booter@d19143bc-622f-0410-bfdd-b5b2a6649095>
Date: Sat, 11 Dec 2004 19:47:12 +0000
Subject: [PATCH 1/1] split_at method added

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@554 d19143bc-622f-0410-bfdd-b5b2a6649095
---
 src/framework/mlt_playlist.c |   37 ++++++++++++++++++++++++++++++++++---
 src/framework/mlt_playlist.h |    1 +
 2 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/src/framework/mlt_playlist.c b/src/framework/mlt_playlist.c
index 22cd256..a78ad6d 100644
--- a/src/framework/mlt_playlist.c
+++ b/src/framework/mlt_playlist.c
@@ -800,7 +800,7 @@ int mlt_playlist_split( mlt_playlist this, int clip, mlt_position position )
 	{
 		playlist_entry *entry = this->list[ clip ];
 		position = position < 0 ? entry->frame_count + position - 1 : position;
-		if ( position >= 0 && position <= entry->frame_count )
+		if ( position >= 0 && position < entry->frame_count - 1 )
 		{
 			int in = entry->frame_in;
 			int out = entry->frame_out;
@@ -836,6 +836,37 @@ int mlt_playlist_split( mlt_playlist this, int clip, mlt_position position )
 	return error;
 }
 
+/** Split the playlist at the absolute position.
+*/
+
+int mlt_playlist_split_at( mlt_playlist this, mlt_position position, int left )
+{
+	int result = this == NULL ? -1 : 0;
+	if ( !result )
+	{
+		if ( position >= 0 && position < mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( this ) ) )
+		{
+			int clip = mlt_playlist_get_clip_index_at( this, position );
+			mlt_playlist_clip_info info;
+			mlt_playlist_get_clip_info( this, &info, clip );
+			if ( left && position != info.start )
+				mlt_playlist_split( this, clip, position - info.start - 1 );
+			else if ( !left )
+				mlt_playlist_split( this, clip, position - info.start );
+			result = position;
+		}
+		else if ( position <= 0 )
+		{
+			result = 0;
+		}
+		else
+		{
+			result = mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( this ) );
+		}
+	}
+	return result;
+}
+
 /** Join 1 or more consecutive clips.
 */
 
@@ -1188,7 +1219,7 @@ mlt_producer mlt_playlist_replace_with_blank( mlt_playlist this, int clip )
 
 void mlt_playlist_insert_blank( mlt_playlist this, int clip, int length )
 {
-	if ( this != NULL && length > 0 )
+	if ( this != NULL && length >= 0 )
 	{
 		mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this );
 		mlt_events_block( properties, properties );
@@ -1240,7 +1271,7 @@ int mlt_playlist_insert_at( mlt_playlist this, int position, mlt_producer produc
 		if ( clip < this->count && mlt_playlist_is_blank( this, clip ) )
 		{
 			// Split and move to new clip if need be
-			if ( mlt_playlist_split( this, clip, position - info.start ) == 0 )
+			if ( position != info.start && mlt_playlist_split( this, clip, position - info.start ) == 0 )
 				mlt_playlist_get_clip_info( this, &info, ++ clip );
 
 			// Split again if need be
diff --git a/src/framework/mlt_playlist.h b/src/framework/mlt_playlist.h
index d9e974c..cda454f 100644
--- a/src/framework/mlt_playlist.h
+++ b/src/framework/mlt_playlist.h
@@ -83,6 +83,7 @@ extern int mlt_playlist_move( mlt_playlist self, int from, int to );
 extern int mlt_playlist_resize_clip( mlt_playlist self, int clip, mlt_position in, mlt_position out );
 extern int mlt_playlist_repeat_clip( mlt_playlist self, int clip, int repeat );
 extern int mlt_playlist_split( mlt_playlist self, int clip, mlt_position position );
+extern int mlt_playlist_split_at( mlt_playlist self, mlt_position position, int left );
 extern int mlt_playlist_join( mlt_playlist self, int clip, int count, int merge );
 extern int mlt_playlist_mix( mlt_playlist self, int clip, int length, mlt_transition transition );
 extern int mlt_playlist_mix_add( mlt_playlist self, int clip, mlt_transition transition );
-- 
1.7.4.4