#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:
+ 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 Asset
+class SoundAsset : public MXFAsset
{
public:
- /** Construct a SoundAsset, generating the MXF from the 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.
- */
- SoundAsset (
- std::vector<std::string> const & files,
- std::string directory,
- std::string mxf_name,
- sigc::signal1<void, float>* progress,
- int fps,
- int length
- );
-
- /** Construct a SoundAsset, generating the MXF from the 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 channels Number of audio channels.
- */
- SoundAsset (
- sigc::slot<std::string, Channel> get_path,
- std::string directory,
- std::string mxf_name,
- sigc::signal1<void, float>* progress,
- int fps,
- int length,
- int channels
- );
-
- SoundAsset (
- std::string directory,
- std::string mxf_name,
- int fps,
- int length
- );
+ SoundAsset (boost::filesystem::path directory, boost::filesystem::path mxf_name);
+
+ void read ();
+ void create (std::vector<boost::filesystem::path> const & files);
+ void create (boost::function<boost::filesystem::path (Channel)> get_path);
+
+ boost::shared_ptr<SoundAssetWriter> start_write ();
- /** 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, boost::function<void (NoteType, std::string)> note) const;
- std::list<std::string> equals (boost::shared_ptr<const Asset> other, EqualityFlags flags, double max_mean, double max_std_dev) 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;
+ }
+
private:
- void construct (sigc::slot<std::string, Channel> get_path);
- std::string path_from_channel (Channel channel, std::vector<std::string> const & files);
+ std::string key_type () const;
+ 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;
};
}