Update libaaf to v1.0-11-gb04c547

libs/aaf/AAFIEssenceFile.c

@@ -888,3 +888,44 @@ externalAudioDataReaderCallback (unsigned char* buf, size_t offset, size_t reqle
 
 	return byteRead;
 }
+
+aafiAudioEssencePointer*
+aafi_audioEssencePointer_exists_before (AAF_Iface* aafi, aafiAudioEssencePointer* audioEssencePointerList)
+{
+	aafiAudioTrack*   at = NULL;
+	aafiTimelineItem* ai = NULL;
+	aafiAudioClip*    ac = NULL;
+
+	aafiAudioEssencePointer* aep1 = NULL;
+	aafiAudioEssencePointer* aep2 = NULL;
+
+	AAFI_foreachAudioTrack (aafi, at)
+	{
+		AAFI_foreachTrackItem (at, ai)
+		{
+			if (ai->type != AAFI_AUDIO_CLIP) {
+				continue;
+			}
+
+			ac   = (aafiAudioClip*)ai->data;
+			aep1 = audioEssencePointerList;
+
+			int found = 1;
+
+			AAFI_foreachEssencePointer (ac->essencePointerList, aep2)
+			{
+				if (!aep1 || aep1->essenceFile != aep2->essenceFile || aep1->essenceChannel != aep2->essenceChannel) {
+					found = 0;
+					break;
+				}
+				aep1 = aep1->next;
+			}
+
+			if (found && aep1 == NULL) {
+				return ac->essencePointerList;
+			}
+		}
+	}
+
+	return NULL;
+}

libs/aaf/AAFIParser.c

@@ -3166,12 +3166,23 @@ aafi_retrieveData (AAF_Iface* aafi)
 
 		AAFI_foreachTrackItem (audioTrack, audioItem)
 		{
-			if (audioItem->type == AAFI_TRANS) {
+			if (audioItem->type != AAFI_AUDIO_CLIP) {
 				continue;
 			}
 
 			audioClip           = (aafiAudioClip*)audioItem->data;
 			audioClip->channels = aafi_getAudioEssencePointerChannelCount (audioClip->essencePointerList);
+
+			/*
+			 * we check if any previous clip is using the exact same essence pointer,
+			 * to avoid duplication and allow to detect when multiple clips are using
+			 * the same essence.
+			 */
+			aafiAudioEssencePointer* prev = aafi_audioEssencePointer_exists_before (aafi, audioClip->essencePointerList);
+
+			if (prev) {
+				audioClip->essencePointerList = prev;
+			}
 		}
 	}
 

libs/aaf/AAFIface.c

@@ -214,6 +214,12 @@ aafi_release (AAF_Iface** aafi)
 		aafi_freeAudioTracks (&(*aafi)->Audio->Tracks);
 		aafi_freeAudioEssences (&(*aafi)->Audio->essenceFiles);
 
+		aafiAudioEssencePointer* essencePointer = (*aafi)->Audio->essencePointerList;
+
+		while (essencePointer) {
+			essencePointer = aafi_freeAudioEssencePointer (essencePointer);
+		}
+
 		free ((*aafi)->Audio);
 	}
 
@@ -798,10 +804,10 @@ aafi_newAudioEssencePointer (AAF_Iface* aafi, aafiAudioEssencePointer** list, aa
 		last->next = essencePointer;
 	} else {
 		*list = essencePointer;
+	}
 
 	essencePointer->aafiNext        = aafi->Audio->essencePointerList;
 	aafi->Audio->essencePointerList = essencePointer;
-	}
 
 	return *list;
 }
@@ -985,8 +991,6 @@ aafi_freeAudioClip (aafiAudioClip* audioClip)
 	aafi_freeAudioGain (audioClip->automation);
 	aafi_freeMetadata (&(audioClip->metadata));
 
-	aafi_freeAudioEssencePointer (audioClip->essencePointerList);
-
 	free (audioClip);
 }
 
@@ -1042,16 +1046,14 @@ aafi_freeMetadata (aafiMetaData** CommentList)
 	*CommentList = NULL;
 }
 
-void
+aafiAudioEssencePointer*
 aafi_freeAudioEssencePointer (aafiAudioEssencePointer* essencePointer)
 {
-	aafiAudioEssencePointer* next = NULL;
+	aafiAudioEssencePointer* next = essencePointer->aafiNext;
 
-	while (essencePointer) {
-		next = essencePointer->next;
 	free (essencePointer);
-		essencePointer = next;
-	}
+
+	return next;
 }
 
 void

libs/aaf/aaf/AAFIEssenceFile.h

@@ -55,6 +55,9 @@ aafi_parse_audio_essence (AAF_Iface* aafi, aafiAudioEssenceFile* audioEssenceFil
 int
 aafi_build_unique_audio_essence_name (AAF_Iface* aafi, aafiAudioEssenceFile* audioEssenceFile);
 
+aafiAudioEssencePointer*
+aafi_audioEssencePointer_exists_before (AAF_Iface* aafi, aafiAudioEssencePointer* audioEssencePointerList);
+
 /**
  * @}
  */

libs/aaf/aaf/AAFIface.h

@@ -1060,7 +1060,7 @@ aafi_freeMarkers (aafiMarker** aafi);
 void
 aafi_freeMetadata (aafiMetaData** CommentList);
 
-void
+aafiAudioEssencePointer*
 aafi_freeAudioEssencePointer (aafiAudioEssencePointer* audioEssenceGroupEntry);
 
 void

libs/aaf/aaf/version.h

@@ -1,2 +1,2 @@
 #pragma once
-#define LIBAAF_VERSION "v1.0-10-g13f0b0a"
+#define LIBAAF_VERSION "v1.0-11-gb04c547"