X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fsound_asset.h;h=5c230e06848805ab114bc032a734a32983d78d54;hb=1368dfded40e5a774a73e2256e214bcaf4e74866;hp=bd1811b1832a4ec58b5da83c411fc84ccfe61045;hpb=828c320df8c56208a8834971f5d937ce06a4edf2;p=libdcp.git

diff --git a/src/sound_asset.h b/src/sound_asset.h
index bd1811b1..5c230e06 100644
--- a/src/sound_asset.h
+++ b/src/sound_asset.h
@@ -26,11 +26,46 @@
 
 #include "mxf_asset.h"
 #include "types.h"
+#include "metadata.h"
 
 namespace libdcp
 {
 
-class SoundFrame;	
+class SoundFrame;
+class SoundAsset;
+
+class SoundAssetWriter
+{
+public:
+	~SoundAssetWriter ();
+
+	void write (float const * const *, int);
+	void finalize ();
+
+private:
+	friend class SoundAsset;
+
+	SoundAssetWriter (SoundAsset *, MXFMetadata const &);
+
+	/* no copy construction */
+	SoundAssetWriter (SoundAssetWriter const &);
+	SoundAssetWriter& operator= (SoundAssetWriter const &);
+	
+	void write_current_frame ();
+
+	/* do this with an opaque pointer so we don't have to include
+	   ASDCP headers
+	*/
+	   
+	struct ASDCPState;
+	boost::shared_ptr<ASDCPState> _state;
+
+	SoundAsset* _asset;
+	bool _finalized;
+	int _frames_written;
+	int _frame_buffer_offset;
+	MXFMetadata _metadata;
+};
 
 /** @brief An asset made up of WAV files */
 class SoundAsset : public MXFAsset
@@ -43,8 +78,8 @@ public:
 	 *  @param mxf_name Name of MXF file to create.
 	 *  @param progress Signal to inform of progress.
 	 *  @param fps Frames per second.
-	 *  @param length Length in frames.
-	 *  @param start_frame Frame in the source to start writing from.
+	 *  @param intrinsic_duration Length of the whole asset in frames.
+	 *  Note that this is different to entry_point in that the asset will contain no data before start_frame.
 	 */
 	SoundAsset (
 		std::vector<std::string> const & files,
@@ -52,8 +87,8 @@ public:
 		std::string mxf_name,
 		boost::signals2::signal<void (float)>* progress,
 		int fps,
-		int length,
-		int start_frame
+		int intrinsic_duration,
+		MXFMetadata const & metadata = MXFMetadata ()
 		);
 
 	/** Construct a SoundAsset, generating the MXF from some WAV files.
@@ -63,8 +98,7 @@ public:
 	 *  @param mxf_name Name of MXF file to create.
 	 *  @param progress Signal to inform of progress.
 	 *  @param fps Frames per second.
-	 *  @param length Length in frames.
-	 *  @param start_frame Frame in the source to start writing from.
+	 *  @param intrinsic_duration Length of the whole asset in frames.
 	 *  @param channels Number of audio channels.
 	 */
 	SoundAsset (
@@ -73,24 +107,32 @@ public:
 		std::string mxf_name,
 		boost::signals2::signal<void (float)>* progress,
 		int fps,
-		int length,
-		int start_frame,
-		int channels
+		int intrinsic_duration,
+		int channels,
+		MXFMetadata const & metadata = MXFMetadata ()
+		);
+
+	SoundAsset (
+		std::string directory,
+		std::string mxf_name
 		);
 
 	SoundAsset (
 		std::string directory,
 		std::string mxf_name,
 		int fps,
-		int length
+		int channels,
+		int sampling_rate
 		);
+
+	boost::shared_ptr<SoundAssetWriter> start_write (MXFMetadata const & metadata = MXFMetadata ());
 	
 	/** Write details of this asset to a CPL stream.
 	 *  @param s Stream.
 	 */
 	void write_to_cpl (std::ostream& s) const;
 
-	bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;
+	bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
 
 	boost::shared_ptr<const SoundFrame> get_frame (int n) const;
 	
@@ -103,13 +145,12 @@ public:
 	}
 
 private:
-	void construct (boost::function<std::string (Channel)> get_path);
+	void construct (boost::function<std::string (Channel)> get_path, MXFMetadata const &);
 	std::string path_from_channel (Channel channel, std::vector<std::string> const & files);
 
 	/** Number of channels in the asset */
 	int _channels;
 	int _sampling_rate;
-	int _start_frame;
 };
 
 }