X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fsound_asset.h;h=cc8f2ce069d8bc9ed3093facc45343e7387a55d1;hb=1dc40e9c0e2758619ce5bda802cd32371aee5829;hp=8c63b530d4e8a4c48ffb2df7cb58c08a1f6c6dea;hpb=7d48446b5efdf795df1ce22d6d9ed3ebe85d3381;p=libdcp.git

diff --git a/src/sound_asset.h b/src/sound_asset.h
index 8c63b530..cc8f2ce0 100644
--- a/src/sound_asset.h
+++ b/src/sound_asset.h
@@ -1,33 +1,128 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    libdcp is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
 
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
 */
 
-#include "asset.h"
+/** @file  src/sound_asset.h
+ *  @brief SoundAsset class
+ */
+
+#ifndef LIBDCP_SOUND_ASSET_H
+#define LIBDCP_SOUND_ASSET_H
 
-namespace libdcp
+#include "mxf.h"
+#include "types.h"
+#include "language_tag.h"
+#include "metadata.h"
+#include "sound_frame.h"
+#include "sound_asset_reader.h"
+
+
+namespace dcp {
+	class SoundAsset;
+}
+
+extern std::shared_ptr<dcp::SoundAsset> simple_sound (
+	boost::filesystem::path path, std::string suffix, dcp::MXFMetadata mxf_meta, std::string language, int frames, int sample_rate
+	);
+
+
+namespace dcp
 {
 
-class SoundAsset : public Asset
+class SoundAssetWriter;
+
+/** @class SoundAsset
+ *  @brief Representation of a sound asset
+ */
+class SoundAsset : public Asset, public MXF
 {
 public:
-	SoundAsset (std::list<std::string> const &, std::string, int, int);
+	explicit SoundAsset (boost::filesystem::path file);
+	SoundAsset (Fraction edit_rate, int sampling_rate, int channels, LanguageTag language, Standard standard);
+
+	std::shared_ptr<SoundAssetWriter> start_write (boost::filesystem::path file, std::vector<Channel> active_channels, bool atmos_sync = false);
+	std::shared_ptr<SoundAssetReader> start_read () const;
 
-	void write_to_cpl (std::ostream &) const;
+	bool equals (
+		std::shared_ptr<const Asset> other,
+		EqualityOptions opt,
+		NoteHandler note
+		) 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;
+	}
+
+	std::string language () const {
+		return _language;
+	}
+
+	static bool valid_mxf (boost::filesystem::path);
+	static std::string static_pkl_type (Standard standard);
+
+private:
+	friend class SoundAssetWriter;
+	friend std::shared_ptr<dcp::SoundAsset> (::simple_sound) (
+		boost::filesystem::path path, std::string suffix, dcp::MXFMetadata mxf_meta, std::string language, int frames, int sample_rate
+		);
+
+	std::string pkl_type (Standard standard) const {
+		return static_pkl_type (standard);
+	}
+
+	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
+	std::string _language;
 };
 
 }
+
+#endif