Add test() to cscript.
[libdcp.git] / src / sound_asset.h
index 2b9256416db87cf5909dfeb92ece1b7a293f3437..c52a5436a4c713ee913a954e5975a4979bfebac2 100644 (file)
 
 #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 *);
+
+       /* 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;
+};
 
 /** @brief An asset made up of WAV files */
 class SoundAsset : public MXFAsset
 {
 public:
-       /** 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 start_frame Frame in the source to start writing from.
-        *  @param encrypted true if asset should be encrypted.
-        */
-       SoundAsset (
-               std::vector<std::string> const & files,
-               std::string directory,
-               std::string mxf_name,
-               boost::signals2::signal<void (float)>* progress,
-               int fps,
-               int length,
-               int start_frame
-               bool encrypted
-               );
-
-       /** 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 start_frame Frame in the source to start writing from.
-        *  @param channels Number of audio channels.
-        *  @param encrypted true if asset should be encrypted.
+       SoundAsset (boost::filesystem::path directory, boost::filesystem::path mxf_name);
+
+       void read ();
+
+       /** The following parameters must be set up (if required) before calling this:
+        *      Interop mode (set_interop)
+        *      Edit rate    (set_edit_rate)
+        *      MXF Metadata (set_metadata)
+        *      Channels     (set_channels)
+        *      Intrinsic duration (set_intrinsic_duration)
         */
-       SoundAsset (
-               boost::function<std::string (Channel)> get_path,
-               std::string directory,
-               std::string mxf_name,
-               boost::signals2::signal<void (float)>* progress,
-               int fps,
-               int length,
-               int start_frame,
-               int channels,
-               bool encrypted
-               );
-
-       SoundAsset (
-               std::string directory,
-               std::string mxf_name,
-               int fps,
-               int entry_point,
-               int length
-               );
-       
-       /** Write details of the asset to a CPL AssetList node.
-        *  @param p Parent node.
+       void create (std::vector<boost::filesystem::path> const & files);
+
+       /** The following parameters must be set up (if required) before calling this:
+        *      Interop mode (set_interop)
+        *      Edit rate    (set_edit_rate)
+        *      MXF Metadata (set_metadata)
+        *      Channels     (set_channels)
+        *      Intrinsic duration (set_intrinsic_duration)
         */
-       void write_to_cpl (xmlpp::Element* p) const;
+       void create (boost::function<boost::filesystem::path (Channel)> get_path);
 
-       bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;
+       boost::shared_ptr<SoundAssetWriter> start_write ();
+       
+       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;
+
+       void set_channels (int c) {
+               _channels = c;
+       }
        
        int channels () const {
                return _channels;
        }
 
+       void set_sampling_rate (int s) {
+               _sampling_rate = s;
+       }
+
        int sampling_rate () const {
                return _sampling_rate;
        }
 
+protected:
+
+       std::string asdcp_kind () const {
+               return "Sound";
+       }
+       
 private:
        std::string key_type () const;
-       
-       void construct (boost::function<std::string (Channel)> get_path);
-       std::string path_from_channel (Channel channel, std::vector<std::string> const & files);
+       void construct (boost::function<boost::filesystem::path (Channel)> get_path);
+       boost::filesystem::path path_from_channel (Channel channel, std::vector<boost::filesystem::path> const & files);
+       std::string cpl_node_name () const;
 
        /** Number of channels in the asset */
        int _channels;
        int _sampling_rate;
-       int _start_frame;
 };
 
 }