various: encapsulate all code in the olive namespace to avoid name collisions

Large-scale code cleanup. Also adds a license to the top of all files that were
missing it.

app/project/item/folder/folder.cpp

@@ -25,9 +25,7 @@
 #include "project/item/sequence/sequence.h"
 #include "ui/icons/icons.h"
 
-Folder::Folder()
-{
-}
+OLIVE_NAMESPACE_ENTER
 
 Item::Type Folder::type() const
 {
@@ -91,3 +89,5 @@ void Folder::Save(QXmlStreamWriter *writer) const
 
   writer->writeEndElement(); // folder
 }
+
+OLIVE_NAMESPACE_EXIT

app/project/item/folder/folder.h

@@ -25,6 +25,8 @@
 #include "project/item/footage/footage.h"
 #include "project/item/item.h"
 
+OLIVE_NAMESPACE_ENTER
+
 /**
  * @brief The Folder class representing a directory in a project structure
  *
@@ -34,7 +36,7 @@
 class Folder : public Item
 {
 public:
-  Folder();
+  Folder() = default;
 
   virtual Type type() const override;
 
@@ -50,4 +52,6 @@ private:
 
 };
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // FOLDER_H

app/project/item/footage/audiostream.cpp

@@ -20,6 +20,8 @@
 
 #include "audiostream.h"
 
+OLIVE_NAMESPACE_ENTER
+
 AudioStream::AudioStream() :
   index_done_(false)
 {
@@ -130,3 +132,5 @@ void AudioStream::append_conformed_version(const AudioRenderingParams &params)
 
   emit ConformAppended(params);
 }
+
+OLIVE_NAMESPACE_EXIT

app/project/item/footage/audiostream.h

@@ -27,6 +27,8 @@
 #include "render/audioparams.h"
 #include "stream.h"
 
+OLIVE_NAMESPACE_ENTER
+
 /**
  * @brief A Stream derivative containing audio-specific information
  */
@@ -76,4 +78,6 @@ private:
 
 using AudioStreamPtr = std::shared_ptr<AudioStream>;
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // AUDIOSTREAM_H

app/project/item/footage/footage.cpp

@@ -28,6 +28,8 @@
 #include "core.h"
 #include "ui/icons/icons.h"
 
+OLIVE_NAMESPACE_ENTER
+
 Footage::Footage()
 {
   Clear();
@@ -374,3 +376,5 @@ void Footage::UpdateTooltip()
     break;
   }
 }
+
+OLIVE_NAMESPACE_EXIT

app/project/item/footage/footage.h

@@ -32,6 +32,8 @@
 #include "project/item/footage/videostream.h"
 #include "timeline/timelinepoints.h"
 
+OLIVE_NAMESPACE_ENTER
+
 /**
  * @brief A reference to an external media file with metadata in a project structure
  *
@@ -265,4 +267,6 @@ private:
 
 using FootagePtr = std::shared_ptr<Footage>;
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // FOOTAGE_H

app/project/item/footage/imagestream.cpp

@@ -25,6 +25,8 @@
 #include "project/project.h"
 #include "render/colormanager.h"
 
+OLIVE_NAMESPACE_ENTER
+
 ImageStream::ImageStream() :
   premultiplied_alpha_(false)
 {
@@ -136,3 +138,5 @@ void ImageStream::DefaultColorSpaceChanged()
     emit ParametersChanged();
   }
 }
+
+OLIVE_NAMESPACE_EXIT

app/project/item/footage/imagestream.h

@@ -23,6 +23,8 @@
 
 #include "stream.h"
 
+OLIVE_NAMESPACE_ENTER
+
 /**
  * @brief A Stream derivative containing video-specific information
  */
@@ -67,4 +69,6 @@ private slots:
 
 using ImageStreamPtr = std::shared_ptr<ImageStream>;
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // IMAGESTREAM_H

app/project/item/footage/stream.cpp

@@ -23,6 +23,8 @@
 #include "footage.h"
 #include "ui/icons/icons.h"
 
+OLIVE_NAMESPACE_ENTER
+
 Stream::Stream() :
   footage_(nullptr),
   type_(kUnknown),
@@ -165,3 +167,5 @@ void Stream::SaveCustomParameters(QXmlStreamWriter*) const
   stream_index_(stream_index)
 {
 }*/
+
+OLIVE_NAMESPACE_EXIT

app/project/item/footage/stream.h

@@ -29,6 +29,8 @@
 
 #include "common/rational.h"
 
+OLIVE_NAMESPACE_ENTER
+
 class Footage;
 
 /*class StreamID {
@@ -136,7 +138,9 @@ private:
 
 using StreamPtr = std::shared_ptr<Stream>;
 
+OLIVE_NAMESPACE_EXIT
+
 #include <QMetaType>
-Q_DECLARE_METATYPE(StreamPtr)
+Q_DECLARE_METATYPE(OLIVE_NAMESPACE::StreamPtr)
 
 #endif // STREAM_H

app/project/item/footage/videostream.cpp

@@ -24,6 +24,8 @@
 
 #include "common/timecodefunctions.h"
 
+OLIVE_NAMESPACE_ENTER
+
 const int64_t VideoStream::kEndTimestamp = AV_NOPTS_VALUE;
 
 VideoStream::VideoStream() :
@@ -202,3 +204,5 @@ bool VideoStream::save_frame_index(const QString &s)
 
   return false;
 }
+
+OLIVE_NAMESPACE_EXIT

app/project/item/footage/videostream.h

@@ -23,6 +23,8 @@
 
 #include "imagestream.h"
 
+OLIVE_NAMESPACE_ENTER
+
 class VideoStream : public ImageStream
 {
   Q_OBJECT
@@ -72,4 +74,6 @@ private:
 
 using VideoStreamPtr = std::shared_ptr<VideoStream>;
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // VIDEOSTREAM_H

app/project/item/item.cpp

@@ -20,6 +20,8 @@
 
 #include "item.h"
 
+OLIVE_NAMESPACE_ENTER
+
 Item::Item() :
   parent_(nullptr),
   project_(nullptr)
@@ -200,3 +202,5 @@ bool Item::ChildExistsWithNameInternal(const QString &name, Item *folder)
 
   return false;
 }
+
+OLIVE_NAMESPACE_EXIT

app/project/item/item.h

@@ -34,6 +34,8 @@
 #include "node/param.h"
 #include "project/item/footage/stream.h"
 
+OLIVE_NAMESPACE_ENTER
+
 class Project;
 
 class Item;
@@ -122,4 +124,6 @@ private:
 
 };
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // ITEM_H

app/project/item/sequence/sequence.cpp

@@ -35,6 +35,8 @@
 #include "panel/sequenceviewer/sequenceviewer.h"
 #include "ui/icons/icons.h"
 
+OLIVE_NAMESPACE_ENTER
+
 Sequence::Sequence()
 {
   viewer_output_ = new ViewerOutput();
@@ -283,3 +285,5 @@ void Sequence::NameChangedEvent(const QString &name)
 {
   viewer_output_->set_media_name(name);
 }
+
+OLIVE_NAMESPACE_EXIT

app/project/item/sequence/sequence.h

@@ -29,6 +29,8 @@
 #include "project/item/item.h"
 #include "timeline/timelinepoints.h"
 
+OLIVE_NAMESPACE_ENTER
+
 class Sequence;
 using SequencePtr = std::shared_ptr<Sequence>;
 
@@ -82,4 +84,6 @@ private:
 
 };
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // SEQUENCE_H

app/project/item/sequence/sequenceparams.cpp

@@ -1,6 +0,0 @@
-#include "sequenceparams.h"
-
-SequenceParams::SequenceParams()
-{
-
-}

app/project/item/sequence/sequenceparams.h

@@ -1,11 +0,0 @@
-#ifndef SEQUENCEPARAMS_H
-#define SEQUENCEPARAMS_H
-
-
-class SequenceParams
-{
-public:
-  SequenceParams();
-};
-
-#endif // SEQUENCEPARAMS_H