X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fsound_asset.h;h=1e3553a0f48338af33fcf1fd08bbdf0a79c63f91;hb=27e74ac5cf717233914fd017eb9ca67ee7c4af96;hp=4fbec895f874001677e9b675d2ea80c65848219f;hpb=fe3476307bead95b72efc7d47a2ce3da31c35d88;p=libdcp.git

diff --git a/src/sound_asset.h b/src/sound_asset.h
index 4fbec895..1e3553a0 100644
--- a/src/sound_asset.h
+++ b/src/sound_asset.h
@@ -21,75 +21,136 @@
 #define LIBDCP_SOUND_ASSET_H
 
 /** @file  src/sound_asset.h
- *  @brief An asset made up of WAV files
+ *  @brief An asset made up of PCM audio data files
  */
 
-#include "asset.h"
+#include "mxf_asset.h"
 #include "types.h"
+#include "metadata.h"
 
 namespace libdcp
 {
 
+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 Asset
+class SoundAsset : public MXFAsset
 {
 public:
-	/** Construct a SoundAsset, generating the MXF from the WAV files.
+	/** Construct a SoundAsset, generating the MXF from some WAV files.
 	 *  This may take some time; progress is indicated by emission of the Progress signal.
 	 *  @param files Pathnames of sound files, in the order Left, Right, Centre, Lfe (sub), Left surround, Right surround.
 	 *  @param directory Directory in which to create MXF file.
 	 *  @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 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,
 		std::string directory,
 		std::string mxf_name,
-		sigc::signal1<void, float>* progress,
+		boost::signals2::signal<void (float)>* progress,
 		int fps,
-		int length
+		int intrinsic_duration,
+		MXFMetadata const & metadata = MXFMetadata ()
 		);
 
-	/** Construct a SoundAsset, generating the MXF from the WAV files.
+	/** Construct a SoundAsset, generating the MXF from some WAV files.
 	 *  This may take some time; progress is indicated by emission of the Progress signal.
 	 *  @param get_path Functor which returns a WAV file path for a given channel.
 	 *  @param directory Directory in which to create MXF file.
 	 *  @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 intrinsic_duration Length of the whole asset in frames.
 	 *  @param channels Number of audio channels.
 	 */
 	SoundAsset (
-		sigc::slot<std::string, Channel> get_path,
+		boost::function<std::string (Channel)> get_path,
 		std::string directory,
 		std::string mxf_name,
-		sigc::signal1<void, float>* progress,
+		boost::signals2::signal<void (float)>* progress,
 		int fps,
-		int length,
-		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.
+	/** Write details of this asset to a CPL XML node.
+	 *  @param node Node.
 	 */
-	void write_to_cpl (std::ostream& s) const;
+	void write_to_cpl (xmlpp::Node* node) 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;
+	
+	int channels () const {
+		return _channels;
+	}
+
+	int sampling_rate () const {
+		return _sampling_rate;
+	}
 
 private:
-	void construct (sigc::slot<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;
 };
 
 }