/*
- 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
#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 <pbd/memento_command.h>
-#include <pbd/enumwriter.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/send.h>
-#include <ardour/region_factory.h>
-#include <ardour/midi_playlist.h>
-#include <ardour/playlist_factory.h>
-#include <ardour/cycle_timer.h>
-#include <ardour/midi_region.h>
-#include <ardour/midi_port.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;
+nframes_t MidiDiskstream::midi_readahead = 4096;
+
MidiDiskstream::MidiDiskstream (Session &sess, const string &name, Diskstream::Flag flag)
: Diskstream(sess, name, flag)
, _playback_buf(0)
, _capture_buf(0)
- //, _current_playback_buffer(0)
- //, _current_capture_buffer(0)
- //, _playback_wrap_buffer(0)
- //, _capture_wrap_buffer(0)
, _source_port(0)
- , _capture_transition_buf(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 */
assert(!destructive());
}
-
+
MidiDiskstream::MidiDiskstream (Session& sess, const XMLNode& node)
: Diskstream(sess, node)
, _playback_buf(0)
, _capture_buf(0)
- //, _current_playback_buffer(0)
- //, _current_capture_buffer(0)
- //, _playback_wrap_buffer(0)
- //, _capture_wrap_buffer(0)
, _source_port(0)
- , _capture_transition_buf(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();
}
set_block_size (_session.get_block_size());
allocate_temporary_buffers ();
- _playback_buf = new MidiRingBuffer (_session.diskstream_buffer_size());
- _capture_buf = new MidiRingBuffer (_session.diskstream_buffer_size());
- _capture_transition_buf = new RingBufferNPT<CaptureTransition> (128);
-
+ 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 = ChanCount(DataType::MIDI, 1);
assert(recordable());
Glib::Mutex::Lock lm (state_lock);
}
+
+void
+MidiDiskstream::non_realtime_locate (nframes_t position)
+{
+ 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) {
}
if (input_change_pending & ConfigurationChanged) {
- assert(_io->n_inputs() == _n_channels);
- }
+ 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 ();
}
input_change_pending = NoChange;
-
+
/* implicit unlock */
}
void
MidiDiskstream::get_input_sources ()
{
- uint32_t ni = _io->n_inputs().n_midi();
+ 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_input(0);
-
- /* I don't get it....
- const char **connections = _io->input(0)->get_connections ();
-
- if (connections == 0 || connections[0] == 0) {
-
- if (_source_port) {
- // _source_port->disable_metering ();
- }
-
- _source_port = 0;
+ _source_port = _io->midi(0);
- } else {
- _source_port = dynamic_cast<MidiPort*>(
- _session.engine().get_port_by_name (connections[0]) );
- }
-
- if (connections) {
- free (connections);
- }*/
-}
+ // do... stuff?
+}
int
MidiDiskstream::find_and_use_playlist (const string& name)
{
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));
}
int
MidiDiskstream::use_playlist (boost::shared_ptr<Playlist> playlist)
-{
+{
assert(boost::dynamic_pointer_cast<MidiPlaylist>(playlist));
Diskstream::use_playlist(playlist);
int
MidiDiskstream::use_new_playlist ()
-{
+{
string newname;
boost::shared_ptr<MidiPlaylist> playlist;
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;
}
}
boost::shared_ptr<MidiPlaylist> playlist;
newname = Playlist::bump_name (_playlist->name(), _session);
-
+
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;
}
}
}
void
-MidiDiskstream::check_record_status (nframes_t transport_frame, nframes_t nframes, bool can_record)
+MidiDiskstream::set_note_mode (NoteMode m)
{
- // FIXME: waaay too much code to duplicate (AudioDiskstream)
-
- int possibly_recording;
- int rolling;
- int change;
- const int transport_rolling = 0x4;
- const int track_rec_enabled = 0x2;
- const int global_rec_enabled = 0x1;
-
- /* merge together the 3 factors that affect record status, and compute
- what has changed.
- */
-
- rolling = _session.transport_speed() != 0.0f;
- possibly_recording = (rolling << 2) | (record_enabled() << 1) | can_record;
- change = possibly_recording ^ last_possibly_recording;
-
- if (possibly_recording == last_possibly_recording) {
- return;
- }
-
- /* change state */
-
- /* if per-track or global rec-enable turned on while the other was already on, we've started recording */
-
- if ((change & track_rec_enabled) && record_enabled() && (!(change & global_rec_enabled) && can_record) ||
- ((change & global_rec_enabled) && can_record && (!(change & track_rec_enabled) && record_enabled()))) {
-
- /* starting to record: compute first+last frames */
-
- first_recordable_frame = transport_frame + _capture_offset;
- last_recordable_frame = max_frames;
- capture_start_frame = transport_frame;
-
- if (!(last_possibly_recording & transport_rolling) && (possibly_recording & transport_rolling)) {
-
- /* was stopped, now rolling (and recording) */
+ _note_mode = m;
+ midi_playlist()->set_note_mode(m);
+ if (_write_source && _write_source->model())
+ _write_source->model()->set_note_mode(m);
+}
- if (_alignment_style == ExistingMaterial) {
- first_recordable_frame += _session.worst_output_latency();
- } else {
- first_recordable_frame += _roll_delay;
- }
-
+#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;
- /* was rolling, but record state changed */
-
- if (_alignment_style == ExistingMaterial) {
-
-
- if (!Config->get_punch_in()) {
-
- /* manual punch in happens at the correct transport frame
- because the user hit a button. but to get alignment correct
- we have to back up the position of the new region to the
- appropriate spot given the roll delay.
- */
-
- capture_start_frame -= _roll_delay;
-
- /* XXX paul notes (august 2005): i don't know why
- this is needed.
- */
-
- first_recordable_frame += _capture_offset;
+ }
+ break;
- } else {
+ case MIDI::song:
+ o << trace_prefix << "Song" << endl;
+ break;
- /* autopunch toggles recording at the precise
- transport frame, and then the DS waits
- to start recording for a time that depends
- on the output latency.
- */
+ case MIDI::tune:
+ o << trace_prefix << "Tune" << endl;
+ break;
- first_recordable_frame += _session.worst_output_latency();
- }
+ case MIDI::eox:
+ o << trace_prefix << "End-of-System Exclusive" << endl;
+ break;
- } else {
+ case MIDI::timing:
+ o << trace_prefix << "Timing" << endl;
+ break;
- if (Config->get_punch_in()) {
- first_recordable_frame += _roll_delay;
- } else {
- capture_start_frame -= _roll_delay;
- }
- }
-
- }
+ case MIDI::start:
+ o << trace_prefix << "Start" << endl;
+ break;
- if (_flags & Recordable) {
- RingBufferNPT<CaptureTransition>::rw_vector transvec;
- _capture_transition_buf->get_write_vector(&transvec);
+ case MIDI::stop:
+ o << trace_prefix << "Stop" << endl;
+ break;
- if (transvec.len[0] > 0) {
- transvec.buf[0]->type = CaptureStart;
- transvec.buf[0]->capture_val = capture_start_frame;
- _capture_transition_buf->increment_write_ptr(1);
- } else {
- // bad!
- fatal << X_("programming error: capture_transition_buf is full on rec start! inconceivable!")
- << endmsg;
- }
- }
+ case MIDI::contineu:
+ o << trace_prefix << "Continue" << endl;
+ break;
- } else if (!record_enabled() || !can_record) {
-
- /* stop recording */
+ case active:
+ o << trace_prefix << "Active Sense" << endl;
+ break;
- last_recordable_frame = transport_frame + _capture_offset;
-
- if (_alignment_style == ExistingMaterial) {
- last_recordable_frame += _session.worst_output_latency();
- } else {
- last_recordable_frame += _roll_delay;
- }
+ default:
+ o << trace_prefix << "Unrecognized MIDI message" << endl;
+ break;
}
-
- last_possibly_recording = possibly_recording;
}
+#endif
int
-MidiDiskstream::process (nframes_t transport_frame, nframes_t nframes, nframes_t offset, bool can_record, bool rec_monitors_input)
+MidiDiskstream::process (nframes_t transport_frame, nframes_t nframes, bool can_record, bool rec_monitors_input)
{
- // FIXME: waay too much code to duplicate (AudioDiskstream::process)
int ret = -1;
nframes_t rec_offset = 0;
nframes_t rec_nframes = 0;
bool nominally_recording;
bool re = record_enabled ();
- bool collect_playback = false;
/* if we've already processed the frames corresponding to this call,
just return. this allows multiple routes that are taking input
if (_processed) {
return 0;
}
-
+
commit_should_unlock = false;
check_record_status (transport_frame, nframes, can_record);
return 0;
}
- /* This lock is held until the end of AudioDiskstream::commit, so these two functions
+ /* 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.
*/
commit_should_unlock = true;
adjust_capture_position = 0;
- if (nominally_recording || (_session.get_record_enabled() && Config->get_punch_in())) {
- OverlapType ot;
+ 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);
- ot = coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes);
-
- switch (ot) {
- case OverlapNone:
- rec_nframes = 0;
- break;
-
- case OverlapInternal:
- /* ---------- recrange
- |---| transrange
- */
- rec_nframes = nframes;
- rec_offset = 0;
- break;
-
- case OverlapStart:
- /* |--------| recrange
- -----| transrange
- */
- rec_nframes = transport_frame + nframes - first_recordable_frame;
- if (rec_nframes) {
- rec_offset = first_recordable_frame - transport_frame;
- }
- break;
-
- case OverlapEnd:
- /* |--------| recrange
- |-------- transrange
- */
- rec_nframes = last_recordable_frame - transport_frame;
- rec_offset = 0;
- break;
-
- case OverlapExternal:
- /* |--------| recrange
- -------------- transrange
- */
- rec_nframes = last_recordable_frame - last_recordable_frame;
- rec_offset = first_recordable_frame - transport_frame;
- break;
- }
+ calculate_record_range(ot, transport_frame, nframes, rec_nframes, rec_offset);
if (rec_nframes && !was_recording) {
capture_captured = 0;
if (nominally_recording || rec_nframes) {
- assert(_source_port);
-
// Pump entire port buffer into the ring buffer (FIXME: split cycles?)
- //_capture_buf->write(_source_port->get_midi_buffer(), transport_frame);
- size_t num_events = _source_port->get_midi_buffer().size();
- size_t to_write = std::min(_capture_buf->write_space(), num_events);
-
- for (size_t i=0; i < to_write; ++i) {
- MidiEvent& ev = _source_port->get_midi_buffer()[i];
- _capture_buf->write(ev.time + transport_frame, ev.size, ev.buffer);
+ 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 {
if (was_recording) {
if (rec_nframes) {
- /* XXX XXX XXX XXX XXX XXX XXX XXX */
-
/* data will be written to disk */
if (rec_nframes == nframes && rec_offset == 0) {
-
playback_distance = nframes;
- } else {
-
- collect_playback = true;
}
adjust_capture_position = rec_nframes;
} else if (nominally_recording) {
- /* can't do actual capture yet - waiting for latency effects to finish before we start*/
+ /* XXXX do this for MIDI !!!
+ can't do actual capture yet - waiting for latency effects to finish before we start
+ */
playback_distance = nframes;
- } else {
-
- collect_playback = true;
- }
-
- if (collect_playback) {
-
- /* we're doing playback */
-
- nframes_t necessary_samples;
-
- /* no varispeed playback if we're recording, because the output .... TBD */
-
- if (rec_nframes == 0 && _actual_speed != 1.0f) {
- necessary_samples = (nframes_t) floor ((nframes * fabs (_actual_speed))) + 1;
- } else {
- necessary_samples = nframes;
- }
-
- // XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX
- // Write into playback buffer here, and whatnot?
- //cerr << "MDS FIXME: collect playback" << endl;
-
}
ret = 0;
commit_should_unlock = false;
state_lock.unlock();
- }
+ }
return ret;
}
adjust_capture_position = 0;
}
- if (_slaved) {
- need_butler = _playback_buf->write_space() >= _playback_buf->capacity() / 2;
- } else {
- need_butler = _playback_buf->write_space() >= disk_io_chunk_frames
- || _capture_buf->read_space() >= disk_io_chunk_frames;
+ 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();
}
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;
}
_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;
int
MidiDiskstream::can_internal_playback_seek (nframes_t distance)
{
- if (_playback_buf->read_space() < distance) {
- return false;
- } else {
- return true;
- }
+ 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
/** @a start is set to the new frame position (TIME) read up to */
int
MidiDiskstream::read (nframes_t& start, nframes_t dur, bool reversed)
-{
+{
nframes_t this_read = 0;
bool reloop = false;
nframes_t loop_end = 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) {
+
+ if (loc && (start >= loop_end)) {
//cerr << "start adjusted from " << start;
start = loop_start + ((start - loop_start) % loop_length);
//cerr << "to " << start << endl;
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;
+ 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 required look-ahead (well, behind) to find previous
+ // 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;
int
MidiDiskstream::do_refill ()
{
- int32_t ret = 0;
- size_t write_space = _playback_buf->write_space();
-
- bool reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
+ 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 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.
- */
-
- // FIXME: using disk_io_chunk_frames as an event count, not good
- // count vs duration semantic differences are nonexistant for audio,
- // which makes translating for MIDI code confusing...
- if (_playback_buf->write_space() >= (_slaved?3:2) * disk_io_chunk_frames) {
- ret = 1;
- }
-
- /* if we're running close to normal speed and there isn't enough
- space to do disk_io_chunk_frames of I/O, then don't bother.
-
- at higher speeds, just do it because the sync between butler
- and audio thread may not be good enough.
- */
-
- if ((write_space < disk_io_chunk_frames) && fabs (_actual_speed) < 2.0f) {
- cerr << "No refill 1\n";
- return 0;
- }
-
- /* when slaved, don't try to get too close to the read pointer. this
- leaves space for the buffer reversal to have something useful to
- work with.
- */
-
- if (_slaved && write_space < (_playback_buf->capacity() / 2)) {
- cerr << "No refill 2\n";
- return 0;
- }
-
if (reversed) {
- cerr << "No refill 3 (reverse)\n";
return 0;
}
+ /* at end: nothing to do */
if (file_frame == max_frames) {
- //cerr << "No refill 4 (EOF)\n";
-
- /* at end: nothing to do */
-
return 0;
}
-#if 0
- // or this
- if (file_frame > max_frames - total_space) {
+ // At this point we...
+ assert(_playback_buf->write_space() > 0); // ... have something to write to, and
+ assert(file_frame <= max_frames); // ... something to write
- /* to close to the end: read what we can, and zero fill the rest */
+ // 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;
+ }
- zero_fill = total_space - (max_frames - file_frame);
- total_space = max_frames - file_frame;
+ nframes_t to_read = midi_readahead - (frames_written - frames_read);
- } else {
- zero_fill = 0;
- }
-#endif
+ //cout << "MDS read for midi_readahead " << to_read << " rb_contains: "
+ // << frames_written - frames_read << endl;
- // At this point we:
- assert(_playback_buf->write_space() > 0); // ... have something to write to, and
- assert(file_frame <= max_frames); // ... something to write
+ to_read = min(to_read, (max_frames - file_frame));
- // So (read it, then) write it:
-
- nframes_t file_frame_tmp = file_frame;
- nframes_t to_read = min(disk_io_chunk_frames, (max_frames - file_frame));
-
- // FIXME: read count?
- if (read (file_frame_tmp, to_read, reversed)) {
+ if (read (file_frame, to_read, reversed)) {
ret = -1;
- goto out;
}
- file_frame = file_frame_tmp;
-
-out:
-
return ret;
}
* 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 (Session::RunContext context, bool force_flush)
+MidiDiskstream::do_flush (RunContext /*context*/, bool force_flush)
{
uint32_t to_write;
int32_t ret = 0;
- // FIXME: I'd be lying if I said I knew what this thing was
- //RingBufferNPT<CaptureTransition>::rw_vector transvec;
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();
}
- total = _session.transport_frame() - _last_flush_frame;
-
- if (total == 0 || _capture_buf->read_space() == 0 && _session.transport_speed() == 0 || (total < disk_io_chunk_frames && !force_flush && was_recording)) {
+ if (total == 0 || _capture_buf->read_space() == 0
+ || (!force_flush && (total < disk_io_chunk_frames && was_recording))) {
goto out;
}
if (total >= 2 * disk_io_chunk_frames || ((force_flush || !was_recording) && total > disk_io_chunk_frames)) {
ret = 1;
- }
+ }
- //to_write = min (disk_io_chunk_frames, (nframes_t) vector.len[0]);
to_write = disk_io_chunk_frames;
assert(!destructive());
- if (record_enabled() && _session.transport_frame() - _last_flush_frame > disk_io_chunk_frames) {
- if ((!_write_source) || _write_source->write (*_capture_buf, to_write) != to_write) {
+ 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 {
}
out:
- //return ret;
- return 0; // FIXME: everything's fine! always! honest!
+ return ret;
}
void
-MidiDiskstream::transport_stopped (struct tm& when, time_t twhen, bool abort_capture)
+MidiDiskstream::transport_stopped (struct tm& /*when*/, time_t /*twhen*/, bool abort_capture)
{
uint32_t buffer_position;
bool more_work = true;
finish_capture (true);
- /* butler is already stopped, but there may be work to do
+ /* butler is already stopped, but there may be work to do
to flush remaining data to disk.
*/
while (more_work && !err) {
- switch (do_flush (Session::TransportContext, true)) {
+ switch (do_flush (TransportContext, true)) {
case 0:
more_work = false;
break;
}
/* figure out the name for this take */
-
+
srcs.push_back (_write_source);
- _write_source->update_header (capture_info.front()->start, when, twhen);
+ _write_source->set_timeline_position (capture_info.front()->start);
_write_source->set_captured_for (_name);
string whole_file_region_name;
*/
try {
- boost::shared_ptr<Region> rx (RegionFactory::create (srcs, _write_source->last_capture_start_frame(), total_capture,
- whole_file_region_name,
- 0, Region::Flag (Region::DefaultFlags|Region::Automatic|Region::WholeFile)));
+ 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);
XMLNode &before = _playlist->get_state();
_playlist->freeze ();
- for (buffer_position = _write_source->last_capture_start_frame(), ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
+ for (buffer_position = 0, ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
string region_name;
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);
}
void
-MidiDiskstream::finish_capture (bool rec_monitors_input)
+MidiDiskstream::finish_capture (bool /*rec_monitors_input*/)
{
was_recording = false;
-
+
if (capture_captured == 0) {
return;
}
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
+
+ /* 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
}
assert(!destructive());
-
+
if (yn && _source_port == 0) {
/* pick up connections not initiated *from* the IO object
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 (!(Config->get_auto_input() && rolling));
+ _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 */
}
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);
Location* pi;
- if (Config->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);
+ }*/
+ 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 ((prop = node.property ("id")) != 0) {
_id = prop->value ();
_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 (capture_pending_node) {
use_pending_capture_data (*capture_pending_node);
}
// 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;
if (_write_source) {
- if (SMFSource::is_empty (_write_source->path())) {
+ if (_write_source->is_empty ()) {
_write_source->mark_for_remove ();
_write_source.reset();
} else {
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->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 (!recordable()) {
+ if (!_session.writable() || !recordable()) {
return;
}
if (_write_source && mark_write_complete) {
_write_source->mark_streaming_write_completed ();
}
+
use_new_write_source (0);
-
- if (record_enabled()) {
- //_capturing_sources.push_back (_write_source);
- }
}
int
}
void
-MidiDiskstream::set_block_size (nframes_t nframes)
+MidiDiskstream::set_block_size (nframes_t /*nframes*/)
{
}
MidiDiskstream::monitor_input (bool yn)
{
if (_source_port)
- _source_port->request_monitor_input (yn);
- else
- cerr << "MidiDiskstream NO SOURCE PORT TO MONITOR\n";
+ _source_port->ensure_monitor_input (yn);
}
void
}
get_input_sources ();
-
+
if (_source_port && _source_port->flags() & JackPortIsPhysical) {
have_physical = true;
}
(double) _capture_buf->capacity());
}
-
int
-MidiDiskstream::use_pending_capture_data (XMLNode& node)
+MidiDiskstream::use_pending_capture_data (XMLNode& /*node*/)
{
return 0;
}
* so that an event at \a start has time = 0
*/
void
-MidiDiskstream::get_playback(MidiBuffer& dst, nframes_t start, nframes_t end)
+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