/*
- Copyright (C) 2000-2003 Paul Davis
+ Copyright (C) 2000-2003 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id: diskstream.cc 567 2006-06-07 14:54:12Z trutkin $
*/
#include <fstream>
#include <sys/stat.h>
#include <sys/mman.h>
-#include <pbd/error.h>
-#include <pbd/basename.h>
+#include "pbd/error.h"
+#include "pbd/basename.h"
#include <glibmm/thread.h>
-#include <pbd/xml++.h>
-
-#include <ardour/ardour.h>
-#include <ardour/audioengine.h>
-#include <ardour/midi_diskstream.h>
-#include <ardour/utils.h>
-#include <ardour/configuration.h>
-#include <ardour/smf_source.h>
-#include <ardour/destructive_filesource.h>
-#include <ardour/send.h>
-#include <ardour/midi_playlist.h>
-#include <ardour/cycle_timer.h>
-#include <ardour/midi_region.h>
+#include "pbd/xml++.h"
+#include "pbd/memento_command.h"
+#include "pbd/enumwriter.h"
+
+#include "ardour/ardour.h"
+#include "ardour/audioengine.h"
+#include "ardour/butler.h"
+#include "ardour/configuration.h"
+#include "ardour/cycle_timer.h"
+#include "ardour/io.h"
+#include "ardour/midi_diskstream.h"
+#include "ardour/midi_playlist.h"
+#include "ardour/midi_port.h"
+#include "ardour/midi_region.h"
+#include "ardour/playlist_factory.h"
+#include "ardour/region_factory.h"
+#include "ardour/send.h"
+#include "ardour/session.h"
+#include "ardour/smf_source.h"
+#include "ardour/utils.h"
+
+#include "midi++/types.h"
#include "i18n.h"
#include <locale.h>
using namespace ARDOUR;
using namespace PBD;
-sigc::signal<void,list<SMFSource*>*> MidiDiskstream::DeleteSources;
+nframes_t MidiDiskstream::midi_readahead = 4096;
MidiDiskstream::MidiDiskstream (Session &sess, const string &name, Diskstream::Flag flag)
: Diskstream(sess, name, flag)
- , _playlist(NULL)
+ , _playback_buf(0)
+ , _capture_buf(0)
+ , _source_port(0)
+ , _last_flush_frame(0)
+ , _note_mode(Sustained)
+ , _frames_written_to_ringbuffer(0)
+ , _frames_read_from_ringbuffer(0)
{
/* prevent any write sources from being created */
in_set_state = false;
- DiskstreamCreated (this); /* EMIT SIGNAL */
+ assert(!destructive());
}
-
+
MidiDiskstream::MidiDiskstream (Session& sess, const XMLNode& node)
: Diskstream(sess, node)
- , _playlist(NULL)
+ , _playback_buf(0)
+ , _capture_buf(0)
+ , _source_port(0)
+ , _last_flush_frame(0)
+ , _note_mode(Sustained)
+ , _frames_written_to_ringbuffer(0)
+ , _frames_read_from_ringbuffer(0)
{
in_set_state = true;
init (Recordable);
- if (set_state (node)) {
+ if (set_state (node, Stateful::loading_state_version)) {
in_set_state = false;
throw failed_constructor();
}
if (destructive()) {
use_destructive_playlist ();
}
-
- DiskstreamCreated (this); /* EMIT SIGNAL */
}
void
set_block_size (_session.get_block_size());
allocate_temporary_buffers ();
- /* FIXME: this is now done before the above. OK? */
- /*pending_overwrite = false;
- overwrite_frame = 0;
- overwrite_queued = false;
- input_change_pending = NoChange;*/
+ const size_t size = _session.butler()->midi_diskstream_buffer_size();
+ _playback_buf = new MidiRingBuffer<nframes_t>(size);
+ _capture_buf = new MidiRingBuffer<nframes_t>(size);
- _n_channels = 1;
+ _n_channels = ChanCount(DataType::MIDI, 1);
+
+ assert(recordable());
}
MidiDiskstream::~MidiDiskstream ()
{
Glib::Mutex::Lock lm (state_lock);
-
- if (_playlist)
- _playlist->unref ();
}
-/*
+
+
void
-MidiDiskstream::handle_input_change (IOChange change, void *src)
+MidiDiskstream::non_realtime_locate (nframes_t position)
{
- Glib::Mutex::Lock lm (state_lock);
-
- if (!(input_change_pending & change)) {
- input_change_pending = IOChange (input_change_pending|change);
- _session.request_input_change_handling ();
+ if (_write_source) {
+ _write_source->set_timeline_position (position);
}
+ seek(position, false);
}
-*/
+
+
void
MidiDiskstream::non_realtime_input_change ()
{
+ {
+ Glib::Mutex::Lock lm (state_lock);
+
+ if (input_change_pending == NoChange) {
+ return;
+ }
+
+ if (input_change_pending & ConfigurationChanged) {
+ if (_io->n_ports().n_midi() != _n_channels.n_midi()) {
+ error << "Can not feed IO " << _io->n_ports()
+ << " with diskstream " << _n_channels << endl;
+ }
+ }
+
+ get_input_sources ();
+ set_capture_offset ();
+
+ if (first_input_change) {
+ set_align_style (_persistent_alignment_style);
+ first_input_change = false;
+ } else {
+ set_align_style_from_io ();
+ }
+
+ input_change_pending = NoChange;
+
+ /* implicit unlock */
+ }
+
+ /* reset capture files */
+
+ reset_write_sources (false);
+
+ /* now refill channel buffers */
+
+ if (speed() != 1.0f || speed() != -1.0f) {
+ seek ((nframes_t) (_session.transport_frame() * (double) speed()));
+ }
+ else {
+ seek (_session.transport_frame());
+ }
+
+ _last_flush_frame = _session.transport_frame();
}
void
MidiDiskstream::get_input_sources ()
{
-}
+ uint32_t ni = _io->n_ports().n_midi();
+
+ if (ni == 0) {
+ return;
+ }
+
+ // This is all we do for now at least
+ assert(ni == 1);
+
+ _source_port = _io->midi(0);
+
+ // do... stuff?
+}
int
MidiDiskstream::find_and_use_playlist (const string& name)
{
- Playlist* pl;
- MidiPlaylist* playlist;
-
- if ((pl = _session.playlist_by_name (name)) == 0) {
- playlist = new MidiPlaylist(_session, name);
- pl = playlist;
+ boost::shared_ptr<MidiPlaylist> playlist;
+
+ if ((playlist = boost::dynamic_pointer_cast<MidiPlaylist> (_session.playlist_by_name (name))) == 0) {
+ playlist = boost::dynamic_pointer_cast<MidiPlaylist> (PlaylistFactory::create (DataType::MIDI, _session, name));
}
- if ((playlist = dynamic_cast<MidiPlaylist*> (pl)) == 0) {
- error << string_compose(_("MidiDiskstream: Playlist \"%1\" isn't a midi playlist"), name) << endmsg;
+ if (!playlist) {
+ error << string_compose(_("MidiDiskstream: Playlist \"%1\" isn't an midi playlist"), name) << endmsg;
return -1;
}
}
int
-MidiDiskstream::use_playlist (Playlist* playlist)
+MidiDiskstream::use_playlist (boost::shared_ptr<Playlist> playlist)
{
- assert(dynamic_cast<MidiPlaylist*>(playlist));
-
- {
- Glib::Mutex::Lock lm (state_lock);
-
- if (playlist == _playlist) {
- return 0;
- }
-
- plstate_connection.disconnect();
- plmod_connection.disconnect ();
- plgone_connection.disconnect ();
+ assert(boost::dynamic_pointer_cast<MidiPlaylist>(playlist));
- if (_playlist) {
- _playlist->unref();
- }
-
- _playlist = dynamic_cast<MidiPlaylist*>(playlist);
- _playlist->ref();
-
- if (!in_set_state && recordable()) {
- reset_write_sources (false);
- }
-
- plstate_connection = _playlist->StateChanged.connect (mem_fun (*this, &MidiDiskstream::playlist_changed));
- plmod_connection = _playlist->Modified.connect (mem_fun (*this, &MidiDiskstream::playlist_modified));
- plgone_connection = _playlist->GoingAway.connect (mem_fun (*this, &MidiDiskstream::playlist_deleted));
- }
-
- if (!overwrite_queued) {
- _session.request_overwrite_buffer (this);
- overwrite_queued = true;
- }
-
- PlaylistChanged (); /* EMIT SIGNAL */
- _session.set_dirty ();
+ Diskstream::use_playlist(playlist);
return 0;
}
MidiDiskstream::use_new_playlist ()
{
string newname;
- MidiPlaylist* playlist;
+ boost::shared_ptr<MidiPlaylist> playlist;
if (!in_set_state && destructive()) {
return 0;
newname = Playlist::bump_name (_name, _session);
}
- if ((playlist = new MidiPlaylist (_session, newname, hidden())) != 0) {
+ if ((playlist = boost::dynamic_pointer_cast<MidiPlaylist> (PlaylistFactory::create (
+ DataType::MIDI, _session, newname, hidden()))) != 0) {
+
playlist->set_orig_diskstream_id (id());
return use_playlist (playlist);
- } else {
+
+ } else {
return -1;
}
}
int
MidiDiskstream::use_copy_playlist ()
{
+ assert(midi_playlist());
+
if (destructive()) {
return 0;
}
}
string newname;
- MidiPlaylist* playlist;
+ boost::shared_ptr<MidiPlaylist> playlist;
newname = Playlist::bump_name (_playlist->name(), _session);
-
- if ((playlist = new MidiPlaylist (*_playlist, newname)) != 0) {
+
+ if ((playlist = boost::dynamic_pointer_cast<MidiPlaylist>(PlaylistFactory::create (midi_playlist(), newname))) != 0) {
playlist->set_orig_diskstream_id (id());
return use_playlist (playlist);
- } else {
+ } else {
return -1;
}
}
+/** Overloaded from parent to die horribly
+ */
+int
+MidiDiskstream::set_destructive (bool yn)
+{
+ assert( ! destructive());
+ assert( ! yn);
+ return -1;
+}
void
-MidiDiskstream::playlist_deleted (Playlist* pl)
+MidiDiskstream::set_note_mode (NoteMode m)
{
- /* this catches an ordering issue with session destruction. playlists
- are destroyed before diskstreams. we have to invalidate any handles
- we have to the playlist.
- */
-
- _playlist = 0;
+ _note_mode = m;
+ midi_playlist()->set_note_mode(m);
+ if (_write_source && _write_source->model())
+ _write_source->model()->set_note_mode(m);
}
-
-void
-MidiDiskstream::setup_destructive_playlist ()
+#if 0
+static void
+trace_midi (ostream& o, MIDI::byte *msg, size_t len)
{
- /* a single full-sized region */
+ 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;
- //MidiRegion* region = new MidiRegion (srcs, 0, max_frames, _name);
- //_playlist->add_region (*region, 0);
+ 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
-void
-MidiDiskstream::use_destructive_playlist ()
+int
+MidiDiskstream::process (nframes_t transport_frame, nframes_t nframes, bool can_record, bool rec_monitors_input)
{
- /* use the sources associated with the single full-extent region */
-
- Playlist::RegionList* rl = _playlist->regions_at (0);
+ int ret = -1;
+ nframes_t rec_offset = 0;
+ nframes_t rec_nframes = 0;
+ bool nominally_recording;
+ bool re = record_enabled ();
+
+ /* if we've already processed the frames corresponding to this call,
+ just return. this allows multiple routes that are taking input
+ from this diskstream to call our ::process() method, but have
+ this stuff only happen once. more commonly, it allows both
+ the AudioTrack that is using this AudioDiskstream *and* the Session
+ to call process() without problems.
+ */
+
+ if (_processed) {
+ return 0;
+ }
- if (rl->empty()) {
- reset_write_sources (false, true);
- return;
+ commit_should_unlock = false;
+
+ check_record_status (transport_frame, nframes, can_record);
+
+ nominally_recording = (can_record && re);
+
+ if (nframes == 0) {
+ _processed = true;
+ return 0;
}
- MidiRegion* region = dynamic_cast<MidiRegion*> (rl->front());
+ /* This lock is held until the end of ::commit, so these two functions
+ must always be called as a pair. The only exception is if this function
+ returns a non-zero value, in which case, ::commit should not be called.
+ */
- if (region == 0) {
- throw failed_constructor();
+ // If we can't take the state lock return.
+ if (!state_lock.trylock()) {
+ return 1;
}
+ commit_should_unlock = true;
+ adjust_capture_position = 0;
- delete rl;
+ if (nominally_recording || (_session.get_record_enabled() && _session.config.get_punch_in())) {
+ OverlapType ot = coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes);
- /* the source list will never be reset for a destructive track */
-}
+ calculate_record_range(ot, transport_frame, nframes, rec_nframes, rec_offset);
-void
-MidiDiskstream::set_io (IO& io)
-{
- _io = &io;
- set_align_style_from_io ();
-}
+ if (rec_nframes && !was_recording) {
+ capture_captured = 0;
+ was_recording = true;
+ }
+ }
-void
-MidiDiskstream::non_realtime_set_speed ()
-{
- if (_buffer_reallocation_required)
- {
- Glib::Mutex::Lock lm (state_lock);
- allocate_temporary_buffers ();
- _buffer_reallocation_required = false;
+ if (can_record && !_last_capture_regions.empty()) {
+ _last_capture_regions.clear ();
}
- if (_seek_required) {
- if (speed() != 1.0f || speed() != -1.0f) {
- seek ((jack_nframes_t) (_session.transport_frame() * (double) speed()), true);
+ if (nominally_recording || rec_nframes) {
+
+ // Pump entire port buffer into the ring buffer (FIXME: split cycles?)
+ MidiBuffer& buf = _source_port->get_midi_buffer(nframes);
+ for (MidiBuffer::iterator i = buf.begin(); i != buf.end(); ++i) {
+ const Evoral::MIDIEvent<MidiBuffer::TimeType> ev(*i, false);
+ assert(ev.buffer());
+ _capture_buf->write(ev.time() + transport_frame, ev.type(), ev.size(), ev.buffer());
}
- else {
- seek (_session.transport_frame(), true);
+
+ } else {
+
+ if (was_recording) {
+ finish_capture (rec_monitors_input);
}
- _seek_required = false;
}
-}
-void
-MidiDiskstream::check_record_status (jack_nframes_t transport_frame, jack_nframes_t nframes, bool can_record)
-{
-}
+ if (rec_nframes) {
-int
-MidiDiskstream::process (jack_nframes_t transport_frame, jack_nframes_t nframes, jack_nframes_t offset, bool can_record, bool rec_monitors_input)
-{
- return 0;
+ /* data will be written to disk */
+
+ if (rec_nframes == nframes && rec_offset == 0) {
+ playback_distance = nframes;
+ }
+
+ adjust_capture_position = rec_nframes;
+
+ } else if (nominally_recording) {
+
+ /* XXXX do this for MIDI !!!
+ can't do actual capture yet - waiting for latency effects to finish before we start
+ */
+
+ playback_distance = nframes;
+
+ }
+
+ ret = 0;
+
+ _processed = true;
+
+ if (ret) {
+
+ /* we're exiting with failure, so ::commit will not
+ be called. unlock the state lock.
+ */
+
+ commit_should_unlock = false;
+ state_lock.unlock();
+ }
+
+ return ret;
}
bool
-MidiDiskstream::commit (jack_nframes_t nframes)
+MidiDiskstream::commit (nframes_t nframes)
{
- return 0;
+ bool need_butler = false;
+
+ if (_actual_speed < 0.0) {
+ playback_sample -= playback_distance;
+ } else {
+ playback_sample += playback_distance;
+ }
+
+ if (adjust_capture_position != 0) {
+ capture_captured += adjust_capture_position;
+ adjust_capture_position = 0;
+ }
+
+ 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) + nframes < midi_readahead) {
+ need_butler = true;
+ }
+
+ /*cerr << "MDS written: " << frames_written << " - read: " << frames_read <<
+ " = " << frames_written - frames_read
+ << " + " << nframes << " < " << midi_readahead << " = " << need_butler << ")" << endl;*/
+
+ if (commit_should_unlock) {
+ state_lock.unlock();
+ }
+
+ _processed = false;
+
+ return need_butler;
}
void
MidiDiskstream::set_pending_overwrite (bool yn)
{
/* called from audio thread, so we can use the read ptr and playback sample as we wish */
-
+
pending_overwrite = yn;
overwrite_frame = playback_sample;
- //overwrite_offset = channels.front().playback_buf->get_read_ptr();
}
int
MidiDiskstream::overwrite_existing_buffers ()
{
+ //read(overwrite_frame, disk_io_chunk_frames, false);
+ overwrite_queued = false;
+ pending_overwrite = false;
+
return 0;
}
int
-MidiDiskstream::seek (jack_nframes_t frame, bool complete_refill)
+MidiDiskstream::seek (nframes_t frame, bool complete_refill)
{
- return 0;
+ Glib::Mutex::Lock lm (state_lock);
+ int ret = -1;
+
+ _playback_buf->reset();
+ _capture_buf->reset();
+ g_atomic_int_set(&_frames_read_from_ringbuffer, 0);
+ g_atomic_int_set(&_frames_written_to_ringbuffer, 0);
+
+ playback_sample = frame;
+ file_frame = frame;
+
+ if (complete_refill) {
+ while ((ret = do_refill_with_alloc ()) > 0) ;
+ } else {
+ ret = do_refill_with_alloc ();
+ }
+
+ return ret;
}
int
-MidiDiskstream::can_internal_playback_seek (jack_nframes_t distance)
+MidiDiskstream::can_internal_playback_seek (nframes_t distance)
{
- return 0;
+ uint32_t frames_read = g_atomic_int_get(&_frames_read_from_ringbuffer);
+ uint32_t frames_written = g_atomic_int_get(&_frames_written_to_ringbuffer);
+ return ((frames_written - frames_read) < distance);
}
int
-MidiDiskstream::internal_playback_seek (jack_nframes_t distance)
+MidiDiskstream::internal_playback_seek (nframes_t distance)
{
+ first_recordable_frame += distance;
+ playback_sample += distance;
+
return 0;
}
+/** @a start is set to the new frame position (TIME) read up to */
int
-MidiDiskstream::read (RawMidi* buf, RawMidi* mixdown_buffer, char * workbuf, jack_nframes_t& start, jack_nframes_t cnt, bool reversed)
+MidiDiskstream::read (nframes_t& start, nframes_t dur, bool reversed)
{
+ nframes_t this_read = 0;
+ bool reloop = false;
+ nframes_t loop_end = 0;
+ nframes_t loop_start = 0;
+ nframes_t loop_length = 0;
+ Location *loc = 0;
+
+ if (!reversed) {
+ /* Make the use of a Location atomic for this read operation.
+
+ Note: Locations don't get deleted, so all we care about
+ when I say "atomic" is that we are always pointing to
+ the same one and using a start/length values obtained
+ just once.
+ */
+
+ if ((loc = loop_location) != 0) {
+ loop_start = loc->start();
+ loop_end = loc->end();
+ loop_length = loop_end - loop_start;
+ }
+
+ /* if we are looping, ensure that the first frame we read is at the correct
+ position within the loop.
+ */
+
+ if (loc && (start >= loop_end)) {
+ //cerr << "start adjusted from " << start;
+ start = loop_start + ((start - loop_start) % loop_length);
+ //cerr << "to " << start << endl;
+ }
+ //cerr << "start is " << start << " loopstart: " << loop_start << " loopend: " << loop_end << endl;
+ }
+
+ while (dur) {
+
+ /* take any loop into account. we can't read past the end of the loop. */
+
+ if (loc && (loop_end - start < dur)) {
+ this_read = loop_end - start;
+ //cerr << "reloop true: thisread: " << this_read << " dur: " << dur << endl;
+ reloop = true;
+ } else {
+ reloop = false;
+ this_read = dur;
+ }
+
+ if (this_read == 0) {
+ break;
+ }
+
+ this_read = min(dur,this_read);
+
+ if (midi_playlist()->read (*_playback_buf, start, this_read) != this_read) {
+ error << string_compose(
+ _("MidiDiskstream %1: cannot read %2 from playlist at frame %3"),
+ _id, this_read, start) << endmsg;
+ return -1;
+ }
+
+ g_atomic_int_add(&_frames_written_to_ringbuffer, this_read);
+
+ _read_data_count = _playlist->read_data_count();
+
+ if (reversed) {
+
+ // Swap note ons with note offs here. etc?
+ // Fully reversing MIDI requires look-ahead (well, behind) to find previous
+ // CC values etc. hard.
+
+ } else {
+
+ /* if we read to the end of the loop, go back to the beginning */
+
+ if (reloop) {
+ // Synthesize LoopEvent here, because the next events
+ // written will have non-monotonic timestamps.
+ _playback_buf->write(loop_end - 1, LoopEventType, 0, 0);
+ cout << "Pushing LoopEvent ts=" << loop_end-1
+ << " start+this_read " << start+this_read << endl;
+
+ start = loop_start;
+ } else {
+ start += this_read;
+ }
+ }
+
+ dur -= this_read;
+ //offset += this_read;
+ }
+
return 0;
}
int
-MidiDiskstream::do_refill (RawMidi* mixdown_buffer, float* gain_buffer, char * workbuf)
+MidiDiskstream::do_refill_with_alloc ()
{
- return 0;
-}
+ return do_refill();
+}
int
-MidiDiskstream::do_flush (char * workbuf, bool force_flush)
+MidiDiskstream::do_refill ()
{
- return 0;
+ int ret = 0;
+ size_t write_space = _playback_buf->write_space();
+ bool reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
+
+ if (write_space == 0) {
+ return 0;
+ }
+
+ if (reversed) {
+ return 0;
+ }
+
+ /* at end: nothing to do */
+ if (file_frame == max_frames) {
+ return 0;
+ }
+
+ // At this point we...
+ assert(_playback_buf->write_space() > 0); // ... have something to write to, and
+ assert(file_frame <= max_frames); // ... something to write
+
+ // now calculate how much time is in the ringbuffer.
+ // and lets write as much as we need to get this to be midi_readahead;
+ 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) >= midi_readahead) {
+ //cout << "MDS Nothing to do. all fine" << endl;
+ return 0;
+ }
+
+ nframes_t to_read = midi_readahead - (frames_written - frames_read);
+
+ //cout << "MDS read for midi_readahead " << to_read << " rb_contains: "
+ // << frames_written - frames_read << endl;
+
+ to_read = min(to_read, (max_frames - file_frame));
+
+ if (read (file_frame, to_read, reversed)) {
+ ret = -1;
+ }
+
+ return ret;
+}
+
+/** Flush pending data to disk.
+ *
+ * Important note: this function will write *AT MOST* disk_io_chunk_frames
+ * of data to disk. it will never write more than that. If it writes that
+ * much and there is more than that waiting to be written, it will return 1,
+ * otherwise 0 on success or -1 on failure.
+ *
+ * If there is less than disk_io_chunk_frames to be written, no data will be
+ * written at all unless @a force_flush is true.
+ */
+int
+MidiDiskstream::do_flush (RunContext /*context*/, bool force_flush)
+{
+ uint32_t to_write;
+ int32_t ret = 0;
+ nframes_t total;
+
+ _write_data_count = 0;
+
+ total = _session.transport_frame() - _last_flush_frame;
+
+ if (_last_flush_frame > _session.transport_frame()
+ || _last_flush_frame < capture_start_frame) {
+ _last_flush_frame = _session.transport_frame();
+ }
+
+ if (total == 0 || _capture_buf->read_space() == 0
+ || (!force_flush && (total < disk_io_chunk_frames && was_recording))) {
+ goto out;
+ }
+
+ /* if there are 2+ chunks of disk i/o possible for
+ this track, let the caller know so that it can arrange
+ for us to be called again, ASAP.
+
+ if we are forcing a flush, then if there is* any* extra
+ work, let the caller know.
+
+ if we are no longer recording and there is any extra work,
+ let the caller know too.
+ */
+
+ if (total >= 2 * disk_io_chunk_frames || ((force_flush || !was_recording) && total > disk_io_chunk_frames)) {
+ ret = 1;
+ }
+
+ to_write = disk_io_chunk_frames;
+
+ assert(!destructive());
+
+ if (record_enabled()
+ && ( (_session.transport_frame() - _last_flush_frame > disk_io_chunk_frames)
+ || force_flush)) {
+ if ((!_write_source) || _write_source->midi_write (*_capture_buf, capture_start_frame, to_write) != to_write) {
+ error << string_compose(_("MidiDiskstream %1: cannot write to disk"), _id) << endmsg;
+ return -1;
+ } else {
+ _last_flush_frame = _session.transport_frame();
+ }
+ }
+
+out:
+ return ret;
+}
+
+void
+MidiDiskstream::transport_stopped (struct tm& /*when*/, time_t /*twhen*/, bool abort_capture)
+{
+ uint32_t buffer_position;
+ bool more_work = true;
+ int err = 0;
+ boost::shared_ptr<MidiRegion> region;
+ nframes_t total_capture;
+ MidiRegion::SourceList srcs;
+ MidiRegion::SourceList::iterator src;
+ vector<CaptureInfo*>::iterator ci;
+ bool mark_write_completed = false;
+
+ finish_capture (true);
+
+ /* butler is already stopped, but there may be work to do
+ to flush remaining data to disk.
+ */
+
+ while (more_work && !err) {
+ switch (do_flush (TransportContext, true)) {
+ case 0:
+ more_work = false;
+ break;
+ case 1:
+ break;
+ case -1:
+ error << string_compose(_("MidiDiskstream \"%1\": cannot flush captured data to disk!"), _name) << endmsg;
+ err++;
+ }
+ }
+
+ /* XXX is there anything we can do if err != 0 ? */
+ Glib::Mutex::Lock lm (capture_info_lock);
+
+ if (capture_info.empty()) {
+ return;
+ }
+
+ if (abort_capture) {
+
+ if (_write_source) {
+
+ _write_source->mark_for_remove ();
+ _write_source->drop_references ();
+ _write_source.reset();
+ }
+
+ /* new source set up in "out" below */
+
+ } else {
+
+ assert(_write_source);
+
+ for (total_capture = 0, ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
+ total_capture += (*ci)->frames;
+ }
+
+ /* figure out the name for this take */
+
+ srcs.push_back (_write_source);
+ _write_source->set_timeline_position (capture_info.front()->start);
+ _write_source->set_captured_for (_name);
+
+ string whole_file_region_name;
+ whole_file_region_name = region_name_from_path (_write_source->name(), true);
+
+ /* Register a new region with the Session that
+ describes the entire source. Do this first
+ so that any sub-regions will obviously be
+ children of this one (later!)
+ */
+
+ try {
+ boost::shared_ptr<Region> rx (RegionFactory::create (srcs, 0,
+ total_capture, whole_file_region_name, 0,
+ Region::Flag (Region::DefaultFlags|Region::Automatic|Region::WholeFile)));
+
+ region = boost::dynamic_pointer_cast<MidiRegion> (rx);
+ region->special_set_position (capture_info.front()->start);
+ }
+
+
+ catch (failed_constructor& err) {
+ error << string_compose(_("%1: could not create region for complete midi file"), _name) << endmsg;
+ /* XXX what now? */
+ }
+
+ _last_capture_regions.push_back (region);
+
+ // cerr << _name << ": there are " << capture_info.size() << " capture_info records\n";
+
+ XMLNode &before = _playlist->get_state();
+ _playlist->freeze ();
+
+ for (buffer_position = 0, ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
+
+ string region_name;
+
+ _session.region_name (region_name, _write_source->name(), false);
+
+ // cerr << _name << ": based on ci of " << (*ci)->start << " for " << (*ci)->frames << " add a region\n";
+
+ try {
+ boost::shared_ptr<Region> rx (RegionFactory::create (srcs, buffer_position, (*ci)->frames, region_name));
+ region = boost::dynamic_pointer_cast<MidiRegion> (rx);
+ }
+
+ catch (failed_constructor& err) {
+ error << _("MidiDiskstream: could not create region for captured midi!") << endmsg;
+ continue; /* XXX is this OK? */
+ }
+
+ region->GoingAway.connect (bind (mem_fun (*this, &Diskstream::remove_region_from_last_capture), boost::weak_ptr<Region>(region)));
+
+ _last_capture_regions.push_back (region);
+
+ // cerr << "add new region, buffer position = " << buffer_position << " @ " << (*ci)->start << endl;
+
+ i_am_the_modifier++;
+ _playlist->add_region (region, (*ci)->start);
+ i_am_the_modifier--;
+
+ buffer_position += (*ci)->frames;
+ }
+
+ _playlist->thaw ();
+ XMLNode &after = _playlist->get_state();
+ _session.add_command (new MementoCommand<Playlist>(*_playlist, &before, &after));
+
+ }
+
+ mark_write_completed = true;
+
+ reset_write_sources (mark_write_completed);
+
+ for (ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
+ delete *ci;
+ }
+
+ capture_info.clear ();
+ capture_start_frame = 0;
+}
+
+void
+MidiDiskstream::transport_looped (nframes_t transport_frame)
+{
+ if (was_recording) {
+
+ // adjust the capture length knowing that the data will be recorded to disk
+ // only necessary after the first loop where we're recording
+ if (capture_info.size() == 0) {
+ capture_captured += _capture_offset;
+
+ if (_alignment_style == ExistingMaterial) {
+ capture_captured += _session.worst_output_latency();
+ } else {
+ capture_captured += _roll_delay;
+ }
+ }
+
+ finish_capture (true);
+
+ // the next region will start recording via the normal mechanism
+ // we'll set the start position to the current transport pos
+ // no latency adjustment or capture offset needs to be made, as that already happened the first time
+ capture_start_frame = transport_frame;
+ first_recordable_frame = transport_frame; // mild lie
+ last_recordable_frame = max_frames;
+ was_recording = true;
+ }
+}
+
+void
+MidiDiskstream::finish_capture (bool /*rec_monitors_input*/)
+{
+ was_recording = false;
+
+ if (capture_captured == 0) {
+ return;
+ }
+
+ // Why must we destroy?
+ assert(!destructive());
+
+ CaptureInfo* ci = new CaptureInfo;
+
+ ci->start = capture_start_frame;
+ ci->frames = capture_captured;
+
+ /* XXX theoretical race condition here. Need atomic exchange ?
+ However, the circumstances when this is called right
+ now (either on record-disable or transport_stopped)
+ mean that no actual race exists. I think ...
+ We now have a capture_info_lock, but it is only to be used
+ to synchronize in the transport_stop and the capture info
+ accessors, so that invalidation will not occur (both non-realtime).
+ */
+
+ // cerr << "Finish capture, add new CI, " << ci->start << '+' << ci->frames << endl;
+
+ capture_info.push_back (ci);
+ capture_captured = 0;
}
void
-MidiDiskstream::transport_stopped (struct tm& when, time_t twhen, bool abort_capture)
+MidiDiskstream::set_record_enabled (bool yn)
{
+ if (!recordable() || !_session.record_enabling_legal()) {
+ return;
+ }
+
+ assert(!destructive());
+
+ if (yn && _source_port == 0) {
+
+ /* pick up connections not initiated *from* the IO object
+ we're associated with.
+ */
+
+ get_input_sources ();
+ }
+
+ /* yes, i know that this not proof against race conditions, but its
+ good enough. i think.
+ */
+
+ if (record_enabled() != yn) {
+ if (yn) {
+ engage_record_enable ();
+ } else {
+ disengage_record_enable ();
+ }
+ }
}
void
-MidiDiskstream::finish_capture (bool rec_monitors_input)
+MidiDiskstream::engage_record_enable ()
{
+ bool rolling = _session.transport_speed() != 0.0f;
+
+ g_atomic_int_set (&_record_enabled, 1);
+
+ if (_source_port && Config->get_monitoring_model() == HardwareMonitoring) {
+ _source_port->request_monitor_input (!(_session.config.get_auto_input() && rolling));
+ }
+
+ // FIXME: Why is this necessary? Isn't needed for AudioDiskstream...
+ if (!_write_source)
+ use_new_write_source();
+
+ _write_source->mark_streaming_midi_write_started (_note_mode, _session.transport_frame());
+
+ RecordEnableChanged (); /* EMIT SIGNAL */
}
void
-MidiDiskstream::set_record_enabled (bool yn, void* src)
+MidiDiskstream::disengage_record_enable ()
{
+ g_atomic_int_set (&_record_enabled, 0);
+ if (_source_port && Config->get_monitoring_model() == HardwareMonitoring) {
+ if (_source_port) {
+ _source_port->request_monitor_input (false);
+ }
+ }
+
+ RecordEnableChanged (); /* EMIT SIGNAL */
}
XMLNode&
snprintf (buf, sizeof(buf), "0x%x", _flags);
node->add_property ("flags", buf);
+ node->add_property("channel-mode", enum_2_string(get_channel_mode()));
+
+ snprintf (buf, sizeof(buf), "0x%x", get_channel_mask());
+ node->add_property("channel-mask", buf);
+
node->add_property ("playlist", _playlist->name());
-
+
snprintf (buf, sizeof(buf), "%f", _visible_speed);
node->add_property ("speed", buf);
node->add_property("name", _name);
- id().print(buf);
+ id().print(buf, sizeof(buf));
node->add_property("id", buf);
- if (!_capturing_sources.empty() && _session.get_record_enabled()) {
+ if (_write_source && _session.get_record_enabled()) {
XMLNode* cs_child = new XMLNode (X_("CapturingSources"));
XMLNode* cs_grandchild;
- for (vector<SMFSource*>::iterator i = _capturing_sources.begin(); i != _capturing_sources.end(); ++i) {
- cs_grandchild = new XMLNode (X_("file"));
- cs_grandchild->add_property (X_("path"), (*i)->path());
- cs_child->add_child_nocopy (*cs_grandchild);
- }
+ cs_grandchild = new XMLNode (X_("file"));
+ cs_grandchild->add_property (X_("path"), _write_source->path());
+ cs_child->add_child_nocopy (*cs_grandchild);
/* store the location where capture will start */
Location* pi;
- if (_session.get_punch_in() && ((pi = _session.locations()->auto_punch_location()) != 0)) {
- snprintf (buf, sizeof (buf), "%" PRIu32, pi->start());
+ if (_session.config.get_punch_in() && ((pi = _session.locations()->auto_punch_location()) != 0)) {
+ snprintf (buf, sizeof (buf), "%" PRId64, pi->start());
} else {
snprintf (buf, sizeof (buf), "%" PRIu32, _session.transport_frame());
}
}
int
-MidiDiskstream::set_state (const XMLNode& node)
+MidiDiskstream::set_state (const XMLNode& node, int /*version*/)
{
const XMLProperty* prop;
XMLNodeList nlist = node.children();
in_set_state = true;
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == IO::state_node_name) {
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ /*if ((*niter)->name() == IO::state_node_name) {
deprecated_io_node = new XMLNode (**niter);
- }
+ }*/
+ assert ((*niter)->name() != IO::state_node_name);
if ((*niter)->name() == X_("CapturingSources")) {
capture_pending_node = *niter;
}
- }
+ }
/* prevent write sources from being created */
-
+
in_set_state = true;
-
+
if ((prop = node.property ("name")) != 0) {
_name = prop->value();
- }
+ }
- if (deprecated_io_node) {
- if ((prop = deprecated_io_node->property ("id")) != 0) {
- _id = prop->value ();
- }
- } else {
- if ((prop = node.property ("id")) != 0) {
- _id = prop->value ();
- }
+ if ((prop = node.property ("id")) != 0) {
+ _id = prop->value ();
}
if ((prop = node.property ("flags")) != 0) {
- _flags = strtol (prop->value().c_str(), 0, 0);
+ _flags = Flag (string_2_enum (prop->value(), _flags));
+ }
+
+ ChannelMode channel_mode = AllChannels;
+ if ((prop = node.property ("channel-mode")) != 0) {
+ channel_mode = ChannelMode (string_2_enum(prop->value(), channel_mode));
+ }
+
+ unsigned int channel_mask = 0xFFFF;
+ if ((prop = node.property ("channel-mask")) != 0) {
+ sscanf (prop->value().c_str(), "0x%x", &channel_mask);
+ if (channel_mask & (~0xFFFF)) {
+ warning << _("MidiDiskstream: XML property channel-mask out of range") << endmsg;
+ }
}
+ set_channel_mode(channel_mode, channel_mask);
+
if ((prop = node.property ("channels")) != 0) {
nchans = atoi (prop->value().c_str());
}
-
+
if ((prop = node.property ("playlist")) == 0) {
return -1;
}
{
bool had_playlist = (_playlist != 0);
-
+
if (find_and_use_playlist (prop->value())) {
return -1;
}
if (!had_playlist) {
_playlist->set_orig_diskstream_id (_id);
}
-
- if (!destructive() && capture_pending_node) {
- /* destructive streams have one and only one source per channel,
- and so they never end up in pending capture in any useful
- sense.
- */
+
+ if (capture_pending_node) {
use_pending_capture_data (*capture_pending_node);
}
/* make sure this is clear before we do anything else */
- _capturing_sources.clear ();
+ // FIXME?
+ //_capturing_source = 0;
- /* write sources are handled when we handle the input set
+ /* write sources are handled when we handle the input set
up of the IO that owns this DS (::non_realtime_input_change())
*/
-
+
in_set_state = false;
return 0;
int
MidiDiskstream::use_new_write_source (uint32_t n)
{
+ if (!recordable()) {
+ return 1;
+ }
+
+ assert(n == 0);
+
+ if (_write_source) {
+
+ if (_write_source->is_empty ()) {
+ _write_source->mark_for_remove ();
+ _write_source.reset();
+ } else {
+ _write_source.reset();
+ }
+ }
+
+ try {
+ _write_source = boost::dynamic_pointer_cast<SMFSource>(_session.create_midi_source_for_session (*this));
+ if (!_write_source) {
+ throw failed_constructor();
+ }
+ }
+
+ catch (failed_constructor &err) {
+ error << string_compose (_("%1:%2 new capture file not initialized correctly"), _name, n) << endmsg;
+ _write_source.reset();
+ return -1;
+ }
+
+ _write_source->set_allow_remove_if_empty (true);
+ _write_source->mark_streaming_midi_write_started (_note_mode, _session.transport_frame());
+
return 0;
}
void
-MidiDiskstream::reset_write_sources (bool mark_write_complete, bool force)
+MidiDiskstream::reset_write_sources (bool mark_write_complete, bool /*force*/)
{
+ if (!_session.writable() || !recordable()) {
+ return;
+ }
+
+ if (_write_source && mark_write_complete) {
+ _write_source->mark_streaming_write_completed ();
+ }
+
+ use_new_write_source (0);
}
int
MidiDiskstream::rename_write_sources ()
{
+ if (_write_source != 0) {
+ _write_source->set_source_name (_name, destructive());
+ /* XXX what to do if this fails ? */
+ }
return 0;
}
void
-MidiDiskstream::set_block_size (jack_nframes_t nframes)
+MidiDiskstream::set_block_size (nframes_t /*nframes*/)
{
}
void
MidiDiskstream::monitor_input (bool yn)
{
+ if (_source_port)
+ _source_port->ensure_monitor_input (yn);
}
void
MidiDiskstream::set_align_style_from_io ()
{
+ bool have_physical = false;
+
+ if (_io == 0) {
+ return;
+ }
+
+ get_input_sources ();
+
+ if (_source_port && _source_port->flags() & JackPortIsPhysical) {
+ have_physical = true;
+ }
+
+ if (have_physical) {
+ set_align_style (ExistingMaterial);
+ } else {
+ set_align_style (CaptureTime);
+ }
}
float
MidiDiskstream::playback_buffer_load () const
{
- return 0;
+ return (float) ((double) _playback_buf->read_space()/
+ (double) _playback_buf->capacity());
}
float
MidiDiskstream::capture_buffer_load () const
{
- return 0;
+ return (float) ((double) _capture_buf->write_space()/
+ (double) _capture_buf->capacity());
}
-
int
-MidiDiskstream::use_pending_capture_data (XMLNode& node)
+MidiDiskstream::use_pending_capture_data (XMLNode& /*node*/)
{
return 0;
}
+
+/** Writes playback events in the given range to \a dst, translating time stamps
+ * so that an event at \a start has time = 0
+ */
+void
+MidiDiskstream::get_playback (MidiBuffer& dst, nframes_t start, nframes_t end)
+{
+ dst.clear();
+ assert(dst.size() == 0);
+
+ // Reverse. ... We just don't do reverse, ok? Back off.
+ if (end <= start) {
+ return;
+ }
+
+ // Translates stamps to be relative to start
+
+ _playback_buf->read(dst, start, end);
+
+#if 0
+ const size_t events_read = _playback_buf->read(dst, start, end);
+ cout << _name << ": MDS events read = " << events_read
+ << " start = " << start << " end = " << end
+ << " readspace " << _playback_buf->read_space()
+ << " writespace " << _playback_buf->write_space() << endl;
+#endif
+
+ gint32 frames_read = end - start;
+ g_atomic_int_add(&_frames_read_from_ringbuffer, frames_read);
+}
+
projects / ardour.git / blobdiff