diff options
Diffstat (limited to 'libs/ardour/ardour/audiosource.h')
| -rw-r--r-- | libs/ardour/ardour/audiosource.h | 50 |
1 files changed, 35 insertions, 15 deletions
diff --git a/libs/ardour/ardour/audiosource.h b/libs/ardour/ardour/audiosource.h index 812c30e8c2..7b22528bd1 100644 --- a/libs/ardour/ardour/audiosource.h +++ b/libs/ardour/ardour/audiosource.h @@ -40,7 +40,6 @@ using std::list; using std::vector; -using Glib::ustring; namespace ARDOUR { @@ -49,10 +48,23 @@ const nframes_t frames_per_peak = 256; class AudioSource : public Source, public boost::enable_shared_from_this<ARDOUR::AudioSource> { public: - AudioSource (Session&, ustring name); + AudioSource (Session&, Glib::ustring name); AudioSource (Session&, const XMLNode&); virtual ~AudioSource (); + + /* one could argue that this should belong to Source, but other data types + generally do not come with a model of "offset along an audio timeline" + so its here in AudioSource for now. + */ + + virtual nframes_t natural_position() const { return 0; } + /* returns the number of items in this `audio_source' */ + + virtual nframes_t length() const { + return _length; + } + virtual nframes_t available_peaks (double zoom) const; virtual nframes_t read (Sample *dst, nframes_t start, nframes_t cnt) const; @@ -65,8 +77,8 @@ const nframes_t frames_per_peak = 256; virtual bool can_truncate_peaks() const { return true; } - void set_captured_for (ustring str) { _captured_for = str; } - ustring captured_for() const { return _captured_for; } + 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; } @@ -81,7 +93,7 @@ const nframes_t frames_per_peak = 256; XMLNode& get_state (); int set_state (const XMLNode&); - int rename_peakfile (ustring newpath); + int rename_peakfile (Glib::ustring newpath); void touch_peakfile (); static void set_build_missing_peakfiles (bool yn) { @@ -92,35 +104,43 @@ const nframes_t frames_per_peak = 256; _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 (); + 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; - ustring peakpath; - ustring _captured_for; + bool _peaks_built; + mutable Glib::Mutex _lock; + mutable Glib::Mutex _peaks_ready_lock; + nframes_t _length; + 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, ustring path); + 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); + 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 ustring peak_path(ustring audio_path) = 0; - virtual ustring old_peak_path(ustring audio_path) = 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); + private: int peakfile; nframes_t peak_leftover_cnt; @@ -128,7 +148,7 @@ const nframes_t frames_per_peak = 256; Sample* peak_leftovers; nframes_t peak_leftover_frame; - bool file_changed (ustring path); + bool file_changed (Glib::ustring path); }; } |