diff options
Diffstat (limited to 'libs/ardour/smf_source.cc')
| -rw-r--r-- | libs/ardour/smf_source.cc | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/libs/ardour/smf_source.cc b/libs/ardour/smf_source.cc index ec47554243..679f244dbe 100644 --- a/libs/ardour/smf_source.cc +++ b/libs/ardour/smf_source.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2006 Paul Davis + Copyright (C) 2006 Paul Davis Written by Dave Robillard, 2006 This program is free software; you can redistribute it and/or modify @@ -60,7 +60,7 @@ SMFSource::SMFSource (Session& s, const ustring& path, bool embedded, Source::Fl if (init(_name, false)) { throw failed_constructor (); } - + if (create(path)) { throw failed_constructor (); } @@ -78,11 +78,11 @@ SMFSource::SMFSource (Session& s, const XMLNode& node, bool must_exist) if (set_state(node)) { throw failed_constructor (); } - + if (init(_name, true)) { throw failed_constructor (); } - + if (open(_path)) { throw failed_constructor (); } @@ -113,7 +113,7 @@ SMFSource::read_unlocked (MidiRingBuffer<nframes_t>& destination, sframes_t sour uint8_t* ev_buffer = 0; size_t scratch_size = 0; // keep track of scratch to minimize reallocs - + BeatsFramesConverter converter(_session, source_start); const uint64_t start_ticks = (uint64_t)(converter.from(start) * ppqn()); @@ -130,7 +130,7 @@ SMFSource::read_unlocked (MidiRingBuffer<nframes_t>& destination, sframes_t sour time += ev_delta_t; // accumulate delta time } } - + _smf_last_read_end = start + duration; while (true) { @@ -138,13 +138,13 @@ SMFSource::read_unlocked (MidiRingBuffer<nframes_t>& destination, sframes_t sour if (ret == -1) { // EOF break; } - + time += ev_delta_t; // accumulate delta time if (ret == 0) { // meta-event (skipped, just accumulate time) continue; } - + ev_type = EventTypeMap::instance().midi_event_type(ev_buffer[0]); #if 0 @@ -159,7 +159,7 @@ SMFSource::read_unlocked (MidiRingBuffer<nframes_t>& destination, sframes_t sour const sframes_t ev_frame_time = converter.to(time / (double)ppqn()) + stamp_offset; #if 0 - cerr << " frames = " << ev_frame_time + cerr << " frames = " << ev_frame_time << " w/offset = " << ev_frame_time - negative_stamp_offset << endl; #endif @@ -178,7 +178,7 @@ SMFSource::read_unlocked (MidiRingBuffer<nframes_t>& destination, sframes_t sour } ev_size = scratch_size; // ensure read_event only allocates if necessary } - + return duration; } @@ -187,14 +187,14 @@ nframes_t SMFSource::write_unlocked (MidiRingBuffer<nframes_t>& source, sframes_t position, nframes_t duration) { _write_data_count = 0; - + nframes_t time; Evoral::EventType type; uint32_t size; size_t buf_capacity = 4; uint8_t* buf = (uint8_t*)malloc(buf_capacity); - + if (_model && ! _model->writing()) { _model->start_write(); } @@ -223,10 +223,10 @@ SMFSource::write_unlocked (MidiRingBuffer<nframes_t>& source, sframes_t position cerr << "ERROR: Read time/size but not buffer, corrupt MIDI ring buffer" << endl; break; } - + assert(time >= position); time -= position; - + ev.set(buf, size, time); ev.set_event_type(EventTypeMap::instance().midi_event_type(ev.buffer()[0])); if (!(ev.is_channel_event() || ev.is_smf_meta_event() || ev.is_sysex())) { @@ -234,7 +234,7 @@ SMFSource::write_unlocked (MidiRingBuffer<nframes_t>& source, sframes_t position << std::hex << int(ev.buffer()[0]) << endl; continue; } - + append_event_unlocked_frames(ev, position); } @@ -249,7 +249,7 @@ SMFSource::write_unlocked (MidiRingBuffer<nframes_t>& source, sframes_t position return duration; } - + /** Append an event with a timestamp in beats (double) */ void @@ -260,20 +260,20 @@ SMFSource::append_event_unlocked_beats (const Evoral::Event<double>& ev) } /*printf("SMFSource: %s - append_event_unlocked_beats time = %lf, size = %u, data = ", - name().c_str(), ev.time(), ev.size()); + name().c_str(), ev.time(), ev.size()); for (size_t i = 0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/ - + assert(ev.time() >= 0); if (ev.time() < _last_ev_time_beats) { cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl; return; } - + _length_beats = max(_length_beats, ev.time()); - + const double delta_time_beats = ev.time() - _last_ev_time_beats; const uint32_t delta_time_ticks = (uint32_t)lrint(delta_time_beats * (double)ppqn()); - + Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer()); _last_ev_time_beats = ev.time(); @@ -293,18 +293,18 @@ SMFSource::append_event_unlocked_frames (const Evoral::Event<nframes_t>& ev, sfr } /*printf("SMFSource: %s - append_event_unlocked_frames time = %u, size = %u, data = ", - name().c_str(), ev.time(), ev.size()); + name().c_str(), ev.time(), ev.size()); for (size_t i=0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/ - + if (ev.time() < _last_ev_time_frames) { cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl; return; } - + BeatsFramesConverter converter(_session, position); - + _length_beats = max(_length_beats, converter.from(ev.time())); - + const sframes_t delta_time_frames = ev.time() - _last_ev_time_frames; const double delta_time_beats = converter.from(delta_time_frames); const uint32_t delta_time_ticks = (uint32_t)(lrint(delta_time_beats * (double)ppqn())); @@ -338,7 +338,7 @@ SMFSource::set_state (const XMLNode& node) if (MidiSource::set_state (node)) { return -1; } - + if (FileSource::set_state (node)) { return -1; } @@ -363,7 +363,7 @@ SMFSource::mark_streaming_write_completed () if (!writable()) { return; } - + _model->set_edited(false); Evoral::SMF::end_write (); } @@ -380,7 +380,7 @@ SMFSource::load_model (bool lock, bool force_reload) if (_writing) { return; } - + if (lock) { Glib::Mutex::Lock lm (_lock); } @@ -403,9 +403,9 @@ SMFSource::load_model (bool lock, bool force_reload) uint64_t time = 0; /* in SMF ticks */ Evoral::Event<double> ev; - + size_t scratch_size = 0; // keep track of scratch and minimize reallocs - + uint32_t delta_t = 0; uint32_t size = 0; uint8_t* buf = NULL; @@ -423,12 +423,12 @@ SMFSource::load_model (bool lock, bool force_reload) scratch_size = ev.size(); } ev.size() = scratch_size; // ensure read_event only allocates if necessary - + _length_beats = max(_length_beats, ev.time()); } set_default_controls_interpolation(); - + _model->end_write(false); _model->set_edited(false); |