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Diffstat (limited to 'libs/ardour/ardour/audiosource.h')
| -rw-r--r-- | libs/ardour/ardour/audiosource.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/libs/ardour/ardour/audiosource.h b/libs/ardour/ardour/audiosource.h deleted file mode 100644 index d11b829694..0000000000 --- a/libs/ardour/ardour/audiosource.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - Copyright (C) 2000 Paul Davis - - 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 - 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, - 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. - -*/ - -#ifndef __ardour_audio_source_h__ -#define __ardour_audio_source_h__ - -#include <list> -#include <vector> - -#include <boost/shared_ptr.hpp> -#include <boost/enable_shared_from_this.hpp> - -#include <time.h> - -#include <glibmm/thread.h> -#include <glibmm/ustring.h> - -#include <sigc++/signal.h> - -#include <ardour/source.h> -#include <ardour/ardour.h> -#include <pbd/stateful.h> -#include <pbd/xml++.h> - -using std::list; -using std::vector; - -namespace ARDOUR { - -class AudioSource : public Source, public boost::enable_shared_from_this<ARDOUR::AudioSource> -{ - public: - AudioSource (Session&, Glib::ustring name); - AudioSource (Session&, const XMLNode&); - virtual ~AudioSource (); - - nframes64_t readable_length() const { return _length; } - uint32_t n_channels() const { return 1; } - - virtual nframes_t available_peaks (double zoom) const; - - /* stopgap until nframes_t becomes nframes64_t. this function is needed by the Readable interface */ - - virtual nframes64_t read (Sample *dst, nframes64_t start, nframes64_t cnt, int channel) const { - /* XXX currently ignores channel, assuming that source is always mono, which - historically has been true. - */ - return read (dst, (nframes_t) start, (nframes_t) cnt); - } - - virtual nframes_t read (Sample *dst, nframes_t start, nframes_t cnt) const; - virtual nframes_t write (Sample *src, nframes_t cnt); - - virtual float sample_rate () const = 0; - - virtual void mark_for_remove() = 0; - virtual void mark_streaming_write_completed () {} - - virtual bool can_truncate_peaks() const { return true; } - - void set_captured_for (Glib::ustring str) { _captured_for = str; } - Glib::ustring captured_for() const { return _captured_for; } - - uint32_t read_data_count() const { return _read_data_count; } - uint32_t write_data_count() const { return _write_data_count; } - - int read_peaks (PeakData *peaks, nframes_t npeaks, nframes_t start, nframes_t cnt, double samples_per_visual_peak) const; - - int build_peaks (); - bool peaks_ready (sigc::slot<void>, sigc::connection&) const; - - mutable sigc::signal<void> PeaksReady; - mutable sigc::signal<void,nframes_t,nframes_t> PeakRangeReady; - - XMLNode& get_state (); - int set_state (const XMLNode&); - - int rename_peakfile (Glib::ustring newpath); - void touch_peakfile (); - - static void set_build_missing_peakfiles (bool yn) { - _build_missing_peakfiles = yn; - } - - static void set_build_peakfiles (bool yn) { - _build_peakfiles = yn; - } - - static bool get_build_peakfiles () { - return _build_peakfiles; - } - - virtual int setup_peakfile () { return 0; } - - int prepare_for_peakfile_writes (); - void done_with_peakfile_writes (bool done = true); - - protected: - static bool _build_missing_peakfiles; - static bool _build_peakfiles; - - bool _peaks_built; - mutable Glib::Mutex _lock; - mutable Glib::Mutex _peaks_ready_lock; - Glib::ustring peakpath; - Glib::ustring _captured_for; - - mutable uint32_t _read_data_count; // modified in read() - mutable uint32_t _write_data_count; // modified in write() - - int initialize_peakfile (bool newfile, Glib::ustring path); - int build_peaks_from_scratch (); - int compute_and_write_peaks (Sample* buf, nframes_t first_frame, nframes_t cnt, bool force, bool intermediate_peaks_ready_signal); - void truncate_peakfile(); - - mutable off_t _peak_byte_max; // modified in compute_and_write_peak() - - virtual nframes_t read_unlocked (Sample *dst, nframes_t start, nframes_t cnt) const = 0; - virtual nframes_t write_unlocked (Sample *dst, nframes_t cnt) = 0; - virtual Glib::ustring peak_path(Glib::ustring audio_path) = 0; - virtual Glib::ustring find_broken_peakfile (Glib::ustring missing_peak_path, Glib::ustring audio_path) = 0; - - void update_length (nframes_t pos, nframes_t cnt); - - virtual int read_peaks_with_fpp (PeakData *peaks, nframes_t npeaks, nframes_t start, nframes_t cnt, - double samples_per_visual_peak, nframes_t fpp) const; - - int compute_and_write_peaks (Sample* buf, nframes_t first_frame, nframes_t cnt, bool force, - bool intermediate_peaks_ready_signal, nframes_t frames_per_peak); - - private: - int peakfile; - nframes_t peak_leftover_cnt; - nframes_t peak_leftover_size; - Sample* peak_leftovers; - nframes_t peak_leftover_frame; - - bool file_changed (Glib::ustring path); -}; - -} - -#endif /* __ardour_audio_source_h__ */ |