73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/*
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* Copyright (C) 2011-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2015 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_audio_playlist_source_h__
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#define __ardour_audio_playlist_source_h__
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#include <memory>
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#include <string>
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#include "ardour/ardour.h"
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#include "ardour/audiosource.h"
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#include "ardour/playlist_source.h"
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namespace ARDOUR {
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class AudioPlaylist;
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class LIBARDOUR_API AudioPlaylistSource : public PlaylistSource, public AudioSource {
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public:
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virtual ~AudioPlaylistSource ();
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bool empty() const;
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std::string construct_peak_filepath (const std::string& audio_path, const bool in_session = false, const bool old_peak_name = false) const;
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uint32_t n_channels() const;
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bool clamped_at_unity () const { return false; }
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samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const;
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samplecnt_t write_unlocked (Sample *src, samplecnt_t cnt);
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float sample_rate () const;
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int setup_peakfile ();
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XMLNode& get_state () const;
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int set_state (const XMLNode&, int version);
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bool can_truncate_peaks() const { return false; }
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bool can_be_analysed() const { return _length.is_positive(); }
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protected:
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friend class SourceFactory;
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AudioPlaylistSource (Session&, const PBD::ID& orig, const std::string& name, std::shared_ptr<AudioPlaylist>, uint32_t chn,
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timepos_t const & begin, timepos_t const & len, Source::Flag flags);
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AudioPlaylistSource (Session&, const XMLNode&);
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private:
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uint32_t _playlist_channel;
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std::string _peak_path;
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int set_state (const XMLNode&, int version, bool with_descendants);
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};
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} /* namespace */
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#endif /* __ardour_audio_playlist_source_h__ */
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