#define __ardour_audio_source_h__
#include <boost/shared_ptr.hpp>
+#include <boost/shared_array.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <time.h>
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
#include <boost/function.hpp>
+#include <boost/scoped_array.hpp>
#include "ardour/source.h"
#include "ardour/ardour.h"
#include "ardour/readable.h"
-#include "pbd/file_manager.h"
#include "pbd/stateful.h"
#include "pbd/xml++.h"
namespace ARDOUR {
-class AudioSource : virtual public Source,
+class LIBARDOUR_API AudioSource : virtual public Source,
public ARDOUR::Readable,
public boost::enable_shared_from_this<ARDOUR::AudioSource>
{
public:
- AudioSource (Session&, std::string name);
+ AudioSource (Session&, const std::string& name);
AudioSource (Session&, const XMLNode&);
virtual ~AudioSource ();
framecnt_t readable_length() const { return _length; }
- uint32_t n_channels() const { return 1; }
+ virtual uint32_t n_channels() const { return 1; }
- bool empty() const;
+ virtual bool empty() const;
framecnt_t length (framepos_t pos) const;
- void update_length (framepos_t pos, framecnt_t cnt);
+ void update_length (framecnt_t cnt);
virtual framecnt_t available_peaks (double zoom) const;
virtual float sample_rate () const = 0;
- virtual void mark_streaming_write_completed ();
+ virtual void mark_streaming_write_completed (const Lock& lock);
virtual bool can_truncate_peaks() const { return true; }
void set_captured_for (std::string str) { _captured_for = str; }
std::string 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; }
- void dec_read_data_count(nframes_t);
-
int read_peaks (PeakData *peaks, framecnt_t npeaks,
framepos_t start, framecnt_t cnt, double samples_per_visual_peak) const;
}
virtual int setup_peakfile () { return 0; }
+ int close_peakfile ();
int prepare_for_peakfile_writes ();
void done_with_peakfile_writes (bool done = true);
/** @return true if the each source sample s must be clamped to -1 < s < 1 */
virtual bool clamped_at_unity () const = 0;
+ static void allocate_working_buffers (framecnt_t framerate);
+
protected:
static bool _build_missing_peakfiles;
static bool _build_peakfiles;
+ /* these collections of working buffers for supporting
+ playlist's reading from potentially nested/recursive
+ sources assume SINGLE THREADED reads by the butler
+ thread, or a lock around calls that use them.
+ */
+
+ static std::vector<boost::shared_array<Sample> > _mixdown_buffers;
+ static std::vector<boost::shared_array<gain_t> > _gain_buffers;
+ static Glib::Threads::Mutex _level_buffer_lock;
+
+ static void ensure_buffers_for_level (uint32_t, framecnt_t);
+ static void ensure_buffers_for_level_locked (uint32_t, framecnt_t);
+
framecnt_t _length;
- std::string peakpath;
+ std::string _peakpath;
std::string _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, std::string path);
+ int initialize_peakfile (const std::string& path, const bool in_session = false);
int build_peaks_from_scratch ();
- int compute_and_write_peaks (Sample* buf, framepos_t first_frame, framecnt_t cnt,
+ int compute_and_write_peaks (Sample* buf, framecnt_t first_frame, framecnt_t cnt,
bool force, bool intermediate_peaks_ready_signal);
void truncate_peakfile();
virtual framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const = 0;
virtual framecnt_t write_unlocked (Sample *dst, framecnt_t cnt) = 0;
- virtual std::string peak_path(std::string audio_path) = 0;
- virtual std::string find_broken_peakfile (std::string missing_peak_path,
- std::string audio_path) = 0;
+ virtual std::string construct_peak_filepath (const std::string& audio_path, const bool in_session = false, const bool old_peak_name = false) const = 0;
virtual int read_peaks_with_fpp (PeakData *peaks,
framecnt_t npeaks, framepos_t start, framecnt_t cnt,
double samples_per_visual_peak, framecnt_t fpp) const;
-
- int compute_and_write_peaks (Sample* buf, framepos_t first_frame, framecnt_t cnt,
- bool force, bool intermediate_peaks_ready_signal,
+
+ int compute_and_write_peaks (Sample* buf, framecnt_t first_frame, framecnt_t cnt,
+ bool force, bool intermediate_peaks_ready_signal,
framecnt_t frames_per_peak);
private:
* PeaksReady means that _peaks_built cannot be changed
* during the handling of the signal.
*/
- mutable Glib::Mutex _peaks_ready_lock;
-
- PBD::FdFileDescriptor* _peakfile_descriptor;
+ mutable Glib::Threads::Mutex _peaks_ready_lock;
+ Glib::Threads::Mutex _initialize_peaks_lock;
+
int _peakfile_fd;
framecnt_t peak_leftover_cnt;
framecnt_t peak_leftover_size;
Sample* peak_leftovers;
framepos_t peak_leftover_frame;
+
+ mutable bool _first_run;
+ mutable double _last_scale;
+ mutable off_t _last_map_off;
+ mutable size_t _last_raw_map_length;
+ mutable boost::scoped_array<PeakData> peak_cache;
};
}
projects / ardour.git / blobdiff