/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
-#ifndef LIBDCP_SOUND_ASSET_H
-#define LIBDCP_SOUND_ASSET_H
-
/** @file src/sound_asset.h
- * @brief An asset made up of PCM audio data files
+ * @brief SoundAsset class
*/
-#include "mxf_asset.h"
+#ifndef LIBDCP_SOUND_ASSET_H
+#define LIBDCP_SOUND_ASSET_H
+
+#include "mxf.h"
#include "types.h"
+#include "metadata.h"
-namespace libdcp
+namespace dcp
{
-class SoundFrame;
+class SoundFrame;
+class SoundAssetWriter;
-/** @brief An asset made up of WAV files */
-class SoundAsset : public MXFAsset
+/** @class SoundAsset
+ * @brief Representation of a sound asset
+ */
+class SoundAsset : public Asset, public MXF
{
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 intrinsic_duration Length of the whole asset in frames.
- * @param start_frame Frame in the source to start writing from.
- * 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,
- boost::signals2::signal<void (float)>* progress,
- int fps,
- int intrinsic_duration,
- int start_frame
- );
-
- /** 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 intrinsic_duration Length of the whole asset in frames.
- * @param start_frame Frame in the source to start writing from.
- * Note that this is different to entry_point in that the asset will contain no data before start_frame.
- * @param channels Number of audio channels.
- */
- SoundAsset (
- boost::function<std::string (Channel)> get_path,
- std::string directory,
- std::string mxf_name,
- boost::signals2::signal<void (float)>* progress,
- int fps,
- int intrinsic_duration,
- int start_frame,
- int channels
- );
-
- SoundAsset (
- std::string directory,
- std::string mxf_name,
- int fps,
- int intrinsic_duration
- );
-
- /** Write details of this asset to a CPL stream.
- * @param s Stream.
- */
- void write_to_cpl (std::ostream& s) const;
+ SoundAsset (boost::filesystem::path file);
+ SoundAsset (Fraction edit_rate, int sampling_rate, int channels);
+
+ boost::shared_ptr<SoundAssetWriter> start_write (boost::filesystem::path file, Standard standard);
- 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,
+ NoteHandler note
+ ) const;
boost::shared_ptr<const SoundFrame> get_frame (int n) const;
-
+
+ /** @return number of channels */
int channels () const {
return _channels;
}
+ /** @return sampling rate in Hz */
int sampling_rate () const {
return _sampling_rate;
}
+ Fraction edit_rate () const {
+ return _edit_rate;
+ }
+
+ int64_t intrinsic_duration () const {
+ return _intrinsic_duration;
+ }
+
private:
- void construct (boost::function<std::string (Channel)> get_path);
- std::string path_from_channel (Channel channel, std::vector<std::string> const & files);
+ friend class SoundAssetWriter;
- /** Number of channels in the asset */
- int _channels;
- int _sampling_rate;
- int _start_frame;
+ std::string pkl_type (Standard standard) const;
+
+ Fraction _edit_rate;
+ /** The total length of this content in video frames. The amount of
+ * content presented may be less than this.
+ */
+ int64_t _intrinsic_duration;
+ int _channels; ///< number of channels
+ int _sampling_rate; ///< sampling rate in Hz
};
}