X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_diskstream.cc;h=64f02b0ad9c59a520c0d4c973c179d26f7ed4964;hb=7b818e9a7f3d999eb6bcc90c961d2b42531c3917;hp=fd6e1707dbe3ae8a0af96ffad6ccf705407ed2d1;hpb=9524b08752f22684c472acd5b3184d5c786e7103;p=ardour.git diff --git a/libs/ardour/midi_diskstream.cc b/libs/ardour/midi_diskstream.cc index fd6e1707db..64f02b0ad9 100644 --- a/libs/ardour/midi_diskstream.cc +++ b/libs/ardour/midi_diskstream.cc @@ -31,18 +31,15 @@ #include "pbd/error.h" #include "pbd/basename.h" -#include +#include #include "pbd/xml++.h" #include "pbd/memento_command.h" #include "pbd/enumwriter.h" #include "pbd/stateful_diff_command.h" #include "pbd/stacktrace.h" -#include "ardour/ardour.h" #include "ardour/audioengine.h" #include "ardour/butler.h" -#include "ardour/configuration.h" -#include "ardour/cycle_timer.h" #include "ardour/debug.h" #include "ardour/io.h" #include "ardour/midi_diskstream.h" @@ -52,11 +49,10 @@ #include "ardour/midi_region.h" #include "ardour/playlist_factory.h" #include "ardour/region_factory.h" -#include "ardour/route.h" -#include "ardour/send.h" #include "ardour/session.h" #include "ardour/session_playlists.h" #include "ardour/smf_source.h" +#include "ardour/types.h" #include "ardour/utils.h" #include "midi++/types.h" @@ -135,7 +131,7 @@ MidiDiskstream::init () MidiDiskstream::~MidiDiskstream () { - Glib::Mutex::Lock lm (state_lock); + Glib::Threads::Mutex::Lock lm (state_lock); } @@ -153,7 +149,7 @@ void MidiDiskstream::non_realtime_input_change () { { - Glib::Mutex::Lock lm (state_lock); + Glib::Threads::Mutex::Lock lm (state_lock); if (input_change_pending.type == IOChange::NoChange) { return; @@ -305,175 +301,6 @@ MidiDiskstream::set_note_mode (NoteMode m) _write_source->model()->set_note_mode(m); } -#if 0 -static void -trace_midi (ostream& o, MIDI::byte *msg, size_t len) -{ - using namespace MIDI; - eventType type; - const char trace_prefix = ':'; - - type = (eventType) (msg[0]&0xF0); - - switch (type) { - case off: - o << trace_prefix - << "Channel " - << (msg[0]&0xF)+1 - << " NoteOff NoteNum " - << (int) msg[1] - << " Vel " - << (int) msg[2] - << endl; - break; - - case on: - o << trace_prefix - << "Channel " - << (msg[0]&0xF)+1 - << " NoteOn NoteNum " - << (int) msg[1] - << " Vel " - << (int) msg[2] - << endl; - break; - - case polypress: - o << trace_prefix - << "Channel " - << (msg[0]&0xF)+1 - << " PolyPressure" - << (int) msg[1] - << endl; - break; - - case MIDI::controller: - o << trace_prefix - << "Channel " - << (msg[0]&0xF)+1 - << " Controller " - << (int) msg[1] - << " Value " - << (int) msg[2] - << endl; - break; - - case program: - o << trace_prefix - << "Channel " - << (msg[0]&0xF)+1 - << " Program Change ProgNum " - << (int) msg[1] - << endl; - break; - - case chanpress: - o << trace_prefix - << "Channel " - << (msg[0]&0xF)+1 - << " Channel Pressure " - << (int) msg[1] - << endl; - break; - - case MIDI::pitchbend: - o << trace_prefix - << "Channel " - << (msg[0]&0xF)+1 - << " Pitch Bend " - << ((msg[2]<<7)|msg[1]) - << endl; - break; - - case MIDI::sysex: - if (len == 1) { - switch (msg[0]) { - case 0xf8: - o << trace_prefix - << "Clock" - << endl; - break; - case 0xfa: - o << trace_prefix - << "Start" - << endl; - break; - case 0xfb: - o << trace_prefix - << "Continue" - << endl; - break; - case 0xfc: - o << trace_prefix - << "Stop" - << endl; - break; - case 0xfe: - o << trace_prefix - << "Active Sense" - << endl; - break; - case 0xff: - o << trace_prefix - << "System Reset" - << endl; - break; - default: - o << trace_prefix - << "System Exclusive (1 byte : " << hex << (int) *msg << dec << ')' - << endl; - break; - } - } else { - o << trace_prefix - << "System Exclusive (" << len << ") = [ " << hex; - for (unsigned int i = 0; i < len; ++i) { - o << (int) msg[i] << ' '; - } - o << dec << ']' << endl; - - } - break; - - case MIDI::song: - o << trace_prefix << "Song" << endl; - break; - - case MIDI::tune: - o << trace_prefix << "Tune" << endl; - break; - - case MIDI::eox: - o << trace_prefix << "End-of-System Exclusive" << endl; - break; - - case MIDI::timing: - o << trace_prefix << "Timing" << endl; - break; - - case MIDI::start: - o << trace_prefix << "Start" << endl; - break; - - case MIDI::stop: - o << trace_prefix << "Stop" << endl; - break; - - case MIDI::contineu: - o << trace_prefix << "Continue" << endl; - break; - - case active: - o << trace_prefix << "Active Sense" << endl; - break; - - default: - o << trace_prefix << "Unrecognized MIDI message" << endl; - break; - } -} -#endif - int MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt_t& playback_distance) { @@ -499,7 +326,7 @@ MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt return 1; } - Glib::Mutex::Lock sm (state_lock, Glib::TRY_LOCK); + Glib::Threads::Mutex::Lock sm (state_lock, Glib::Threads::TRY_LOCK); if (!sm.locked()) { return 1; @@ -508,7 +335,7 @@ MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt adjust_capture_position = 0; if (nominally_recording || (re && was_recording && _session.get_record_enabled() && _session.config.get_punch_in())) { - OverlapType ot = coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes); + Evoral::OverlapType ot = Evoral::coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes); calculate_record_range(ot, transport_frame, nframes, rec_nframes, rec_offset); @@ -549,7 +376,7 @@ MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt } if (buf.size() != 0) { - Glib::Mutex::Lock lm (_gui_feed_buffer_mutex, Glib::TRY_LOCK); + Glib::Threads::Mutex::Lock lm (_gui_feed_buffer_mutex, Glib::Threads::TRY_LOCK); if (lm.locked ()) { /* Copy this data into our GUI feed buffer and tell the GUI @@ -623,13 +450,26 @@ MidiDiskstream::commit (framecnt_t playback_distance) uint32_t frames_read = g_atomic_int_get(&_frames_read_from_ringbuffer); uint32_t frames_written = g_atomic_int_get(&_frames_written_to_ringbuffer); - if ((frames_written - frames_read) + playback_distance < midi_readahead) { - need_butler = true; + + /* + cerr << name() << " MDS written: " << frames_written << " - read: " << frames_read << + " = " << frames_written - frames_read + << " + " << playback_distance << " < " << midi_readahead << " = " << need_butler << ")" << endl; + */ + + /* frames_read will generally be less than frames_written, but + * immediately after an overwrite, we can end up having read some data + * before we've written any. we don't need to trip an assert() on this, + * but we do need to check so that the decision on whether or not we + * need the butler is done correctly. + */ + + if (frames_read <= frames_written) { + if ((frames_written - frames_read) + playback_distance < midi_readahead) { + need_butler = true; + } } - /*cerr << "MDS written: " << frames_written << " - read: " << frames_read << - " = " << frames_written - frames_read - << " + " << nframes << " < " << midi_readahead << " = " << need_butler << ")" << endl;*/ return need_butler; } @@ -663,9 +503,17 @@ MidiDiskstream::overwrite_existing_buffers () int MidiDiskstream::seek (framepos_t frame, bool complete_refill) { - Glib::Mutex::Lock lm (state_lock); + Glib::Threads::Mutex::Lock lm (state_lock); int ret = -1; + if (g_atomic_int_get (&_frames_read_from_ringbuffer) == 0) { + /* we haven't read anything since the last seek, + so flush all note trackers to prevent + wierdness + */ + reset_tracker (); + } + _playback_buf->reset(); _capture_buf->reset(); g_atomic_int_set(&_frames_read_from_ringbuffer, 0); @@ -766,7 +614,7 @@ MidiDiskstream::read (framepos_t& start, framecnt_t dur, bool reversed) return -1; } - g_atomic_int_add(&_frames_written_to_ringbuffer, this_read); + g_atomic_int_add (&_frames_written_to_ringbuffer, this_read); if (reversed) { @@ -941,7 +789,7 @@ MidiDiskstream::transport_stopped_wallclock (struct tm& /*when*/, time_t /*twhen } /* XXX is there anything we can do if err != 0 ? */ - Glib::Mutex::Lock lm (capture_info_lock); + Glib::Threads::Mutex::Lock lm (capture_info_lock); if (capture_info.empty()) { goto no_capture_stuff_to_do; @@ -1429,6 +1277,13 @@ MidiDiskstream::use_pending_capture_data (XMLNode& /*node*/) return 0; } +void +MidiDiskstream::flush_playback (framepos_t start, framepos_t end) +{ + _playback_buf->flush (start, end); + g_atomic_int_add (&_frames_read_from_ringbuffer, end - start); +} + /** Writes playback events from playback_sample for nframes to dst, translating time stamps * so that an event at playback_sample has time = 0 */ @@ -1475,7 +1330,7 @@ MidiDiskstream::get_gui_feed_buffer () const { boost::shared_ptr b (new MidiBuffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI))); - Glib::Mutex::Lock lm (_gui_feed_buffer_mutex); + Glib::Threads::Mutex::Lock lm (_gui_feed_buffer_mutex); b->copy (_gui_feed_buffer); return b; }