Untested interop DCP/KDM support.

[libdcp.git] / src / sound_asset.h

diff --git a/src/sound_asset.h b/src/sound_asset.h
index 6711560660bfd9d56be0e3883caefcc0366b21a7..b7542c735ee8104e6a4e78da1439785f30a086af 100644 (file)
--- a/src/sound_asset.h
+++ b/src/sound_asset.h
@@ -26,11 +26,44 @@
 
 #include "mxf_asset.h"
 #include "types.h"
+#include "metadata.h"
 
 namespace libdcp
 {
 
-class SoundFrame;      
+class SoundFrame;
+class SoundAsset;
+
+class SoundAssetWriter
+{
+public:
+       void write (float const * const *, int);
+       void finalize ();
+
+private:
+       friend class SoundAsset;
+
+       SoundAssetWriter (SoundAsset *, bool interop, 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
@@ -44,7 +77,10 @@ public:
         *  @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 encrypted true if asset should be encrypted.
+        *  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 +88,10 @@ public:
                std::string mxf_name,
                boost::signals2::signal<void (float)>* progress,
                int fps,
-               int length,
-               bool encrypted
+               int intrinsic_duration,
+               bool encrypted,
+               bool interop,
+               MXFMetadata const & metadata = MXFMetadata ()
                );
 
        /** Construct a SoundAsset, generating the MXF from some WAV files.
@@ -63,7 +101,7 @@ 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 intrinsic_duration Length of the whole asset in frames.
         *  @param channels Number of audio channels.
         *  @param encrypted true if asset should be encrypted.
         */
@@ -73,25 +111,29 @@ public:
                std::string mxf_name,
                boost::signals2::signal<void (float)>* progress,
                int fps,
-               int length,
+               int intrinsic_duration,
                int channels,
-               bool encrypted
+               bool encrypted,
+               bool interop,
+               MXFMetadata const & metadata = MXFMetadata ()
+               );
+
+       SoundAsset (
+               std::string directory,
+               std::string mxf_name
                );
 
        SoundAsset (
                std::string directory,
                std::string mxf_name,
                int fps,
-               int entry_point,
-               int length
+               int channels,
+               int sampling_rate
                );
-       
-       /** Write details of the asset to a CPL AssetList node.
-        *  @param p Parent node.
-        */
-       void write_to_cpl (xmlpp::Element* p) const;
 
-       bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;
+       boost::shared_ptr<SoundAssetWriter> start_write (bool, MXFMetadata const & metadata = MXFMetadata ());
+       
+       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;
        
@@ -105,9 +147,9 @@ public:
 
 private:
        std::string key_type () const;
-       
-       void construct (boost::function<std::string (Channel)> get_path);
+       void construct (boost::function<std::string (Channel)> get_path, bool interop, MXFMetadata const &);
        std::string path_from_channel (Channel channel, std::vector<std::string> const & files);
+       std::string cpl_node_name () const;
 
        /** Number of channels in the asset */
        int _channels;