X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Faudiosource.h;h=6df41462598faa69f520b02ca2dfda0514279f03;hb=8a4518d76fe78e5fb99900ff5ff71a22e5912395;hp=d5c85a6bf8068cce50a312cd6ad0ef2e4fc5e07f;hpb=2ddbf6cd56ff8fb3c7f7b54d5da0d30bc83f83bd;p=ardour.git diff --git a/libs/ardour/ardour/audiosource.h b/libs/ardour/ardour/audiosource.h index d5c85a6bf8..6df4146259 100644 --- a/libs/ardour/ardour/audiosource.h +++ b/libs/ardour/ardour/audiosource.h @@ -28,54 +28,54 @@ #include #include +#include #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 { 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; } + samplecnt_t readable_length() const { return _length; } virtual uint32_t n_channels() const { return 1; } virtual bool empty() const; - framecnt_t length (framepos_t pos) const; - void update_length (framecnt_t cnt); + samplecnt_t length (samplepos_t pos) const; + void update_length (samplecnt_t cnt); - virtual framecnt_t available_peaks (double zoom) const; + virtual samplecnt_t available_peaks (double zoom) const; - virtual framecnt_t read (Sample *dst, framepos_t start, framecnt_t cnt, int channel=0) const; - virtual framecnt_t write (Sample *src, framecnt_t cnt); + virtual samplecnt_t read (Sample *dst, samplepos_t start, samplecnt_t cnt, int channel=0) const; + virtual samplecnt_t write (Sample *src, samplecnt_t cnt); 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; } - int read_peaks (PeakData *peaks, framecnt_t npeaks, - framepos_t start, framecnt_t cnt, double samples_per_visual_peak) const; + int read_peaks (PeakData *peaks, samplecnt_t npeaks, + samplepos_t start, samplecnt_t cnt, double samples_per_visual_peak) const; int build_peaks (); bool peaks_ready (boost::function callWhenReady, PBD::ScopedConnection** connection_created_if_not_ready, PBD::EventLoop* event_loop) const; mutable PBD::Signal0 PeaksReady; - mutable PBD::Signal2 PeakRangeReady; + mutable PBD::Signal2 PeakRangeReady; XMLNode& get_state (); int set_state (const XMLNode&, int version); @@ -96,6 +96,7 @@ class AudioSource : virtual public Source, } virtual int setup_peakfile () { return 0; } + int close_peakfile (); int prepare_for_peakfile_writes (); void done_with_peakfile_writes (bool done = true); @@ -103,52 +104,48 @@ class AudioSource : virtual public Source, /** @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); + static void allocate_working_buffers (samplecnt_t framerate); protected: static bool _build_missing_peakfiles; static bool _build_peakfiles; - static size_t _working_buffers_size; - /* 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 > _mixdown_buffers; + static std::vector > _mixdown_buffers; static std::vector > _gain_buffers; - static Glib::Threads::Mutex _level_buffer_lock; + 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); + static void ensure_buffers_for_level (uint32_t, samplecnt_t); + static void ensure_buffers_for_level_locked (uint32_t, samplecnt_t); - framecnt_t _length; - std::string peakpath; + samplecnt_t _length; + std::string _peakpath; std::string _captured_for; - int initialize_peakfile (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, framecnt_t first_frame, framecnt_t cnt, + int compute_and_write_peaks (Sample* buf, samplecnt_t first_sample, samplecnt_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 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) { return peak_path (audio_path); } + virtual samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const = 0; + virtual samplecnt_t write_unlocked (Sample *dst, samplecnt_t cnt) = 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; + samplecnt_t npeaks, samplepos_t start, samplecnt_t cnt, + double samples_per_visual_peak, samplecnt_t fpp) const; - int compute_and_write_peaks (Sample* buf, framecnt_t first_frame, framecnt_t cnt, + int compute_and_write_peaks (Sample* buf, samplecnt_t first_sample, samplecnt_t cnt, bool force, bool intermediate_peaks_ready_signal, - framecnt_t frames_per_peak); + samplecnt_t samples_per_peak); private: bool _peaks_built; @@ -159,13 +156,19 @@ class AudioSource : virtual public Source, * during the handling of the signal. */ mutable Glib::Threads::Mutex _peaks_ready_lock; + Glib::Threads::Mutex _initialize_peaks_lock; - PBD::FdFileDescriptor* _peakfile_descriptor; int _peakfile_fd; - framecnt_t peak_leftover_cnt; - framecnt_t peak_leftover_size; + samplecnt_t peak_leftover_cnt; + samplecnt_t peak_leftover_size; Sample* peak_leftovers; - framepos_t peak_leftover_frame; + samplepos_t peak_leftover_sample; + + 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 peak_cache; }; }