/*
- 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 "ardour/ardour.h"
#include "ardour/audioengine.h"
+#include "ardour/butler.h"
#include "ardour/configuration.h"
#include "ardour/cycle_timer.h"
#include "ardour/io.h"
assert(!destructive());
}
-
+
MidiDiskstream::MidiDiskstream (Session& sess, const XMLNode& node)
: Diskstream(sess, node)
, _playback_buf(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 ();
- const size_t size = _session.midi_diskstream_buffer_size();
+ 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)
{
void
MidiDiskstream::non_realtime_input_change ()
{
- {
+ {
Glib::Mutex::Lock lm (state_lock);
if (input_change_pending == NoChange) {
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 */
}
_source_port = _io->midi(0);
// 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;
}
}
assert( ! yn);
return -1;
}
-
+
void
MidiDiskstream::set_note_mode (NoteMode m)
{
_write_source->model()->set_note_mode(m);
}
-void
-MidiDiskstream::check_record_status (nframes_t transport_frame, nframes_t /*nframes*/, bool can_record)
-{
- // 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) */
-
- if (_alignment_style == ExistingMaterial) {
- first_recordable_frame += _session.worst_output_latency();
- } else {
- first_recordable_frame += _roll_delay;
- }
-
- } else {
-
- /* was rolling, but record state changed */
-
- if (_alignment_style == ExistingMaterial) {
-
-
- if (!_session.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;
-
- } else {
-
- /* 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.
- */
-
- first_recordable_frame += _session.worst_output_latency();
- }
-
- } else {
-
- if (_session.config.get_punch_in()) {
- first_recordable_frame += _roll_delay;
- } else {
- capture_start_frame -= _roll_delay;
- }
- }
-
- }
-
- } else if (!record_enabled() || !can_record) {
-
- /* stop recording */
-
- last_recordable_frame = transport_frame + _capture_offset;
-
- if (_alignment_style == ExistingMaterial) {
- last_recordable_frame += _session.worst_output_latency();
- } else {
- last_recordable_frame += _roll_delay;
- }
- }
-
- last_possibly_recording = possibly_recording;
-}
-
#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) {
<< (int) msg[2]
<< endl;
break;
-
+
case on:
o << trace_prefix
<< "Channel "
<< (int) msg[2]
<< endl;
break;
-
+
case polypress:
o << trace_prefix
<< "Channel "
<< (int) msg[1]
<< endl;
break;
-
+
case MIDI::controller:
o << trace_prefix
<< "Channel "
<< (int) msg[2]
<< endl;
break;
-
+
case program:
- o << trace_prefix
+ o << trace_prefix
<< "Channel "
<< (msg[0]&0xF)+1
<< " Program Change ProgNum "
<< (int) msg[1]
<< endl;
break;
-
+
case chanpress:
- o << trace_prefix
+ o << trace_prefix
<< "Channel "
<< (msg[0]&0xF)+1
<< " Channel Pressure "
<< (int) msg[1]
<< endl;
break;
-
+
case MIDI::pitchbend:
o << trace_prefix
<< "Channel "
<< ((msg[2]<<7)|msg[1])
<< endl;
break;
-
+
case MIDI::sysex:
if (len == 1) {
switch (msg[0]) {
default:
o << trace_prefix
<< "System Exclusive (1 byte : " << hex << (int) *msg << dec << ')'
- << endl;
+ << endl;
break;
- }
+ }
} else {
o << trace_prefix
<< "System Exclusive (" << len << ") = [ " << hex;
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;
int
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 = true;
/* 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);
adjust_capture_position = 0;
if (nominally_recording || (_session.get_record_enabled() && _session.config.get_punch_in())) {
- OverlapType ot;
-
- 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;
+ OverlapType ot = coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes);
- 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;
assert(ev.buffer());
_capture_buf->write(ev.time() + transport_frame, ev.type(), ev.size(), ev.buffer());
}
-
+
} else {
if (was_recording) {
} 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;
- collect_playback = false;
}
- 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;
- }
-
- // Pump entire port buffer into playback 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());
- _playback_buf->write(ev.time() + transport_frame, ev.type(), ev.size(), ev.buffer());
- }
- }
-
ret = 0;
_processed = true;
commit_should_unlock = false;
state_lock.unlock();
- }
+ }
return ret;
}
/*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;
}
{
Glib::Mutex::Lock lm (state_lock);
int ret = -1;
-
+
_playback_buf->reset();
_capture_buf->reset();
g_atomic_int_set(&_frames_read_from_ringbuffer, 0);
/** @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)) {
//cerr << "start adjusted from " << start;
start = loop_start + ((start - loop_start) % loop_length);
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?
// 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
+ 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;
if (write_space == 0) {
return 0;
}
-
+
if (reversed) {
return 0;
}
// << 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;
}
* 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.
*/
_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 >= 2 * disk_io_chunk_frames || ((force_flush || !was_recording) && total > disk_io_chunk_frames)) {
ret = 1;
- }
+ }
to_write = disk_io_chunk_frames;
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.
*/
}
/* 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);
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);
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 (!(_session.config.get_auto_input() && rolling));
}
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);
}
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 ();
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);
}
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) {
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*/)
{
- if (!recordable()) {
+ if (!_session.writable() || !recordable()) {
return;
}
}
use_new_write_source (0);
-
- if (record_enabled()) {
- //_capturing_sources.push_back (_write_source);
- }
}
int
}
get_input_sources ();
-
+
if (_source_port && _source_port->flags() & JackPortIsPhysical) {
have_physical = true;
}
{
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
<< " 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