: Processor (s, str)
, _flags (f)
, i_am_the_modifier (false)
- , _visible_speed (0.0)
- , _actual_speed (0.0)
- , _speed (0.0)
- , _target_speed (0.0)
, _buffer_reallocation_required (false)
, _seek_required (false)
, _slaved (false)
, loop_location (0)
, in_set_state (false)
- , file_frame (0)
, playback_sample (0)
, wrap_buffer_size (0)
, speed_buffer_size (0)
, _frames_read_from_ringbuffer (0)
{
midi_interpolation.add_channel_to (0,0);
+ set_display_to_user (false);
}
void
return false;
}
- if (in != out) {
- /* currently no way to deliver different channels that we receive */
- return false;
- }
+ /* currently no way to deliver different channels that we receive */
+ out = in;
return true;
}
{
DEBUG_TRACE (DEBUG::DiskIO, string_compose ("Configuring %1 for in:%2 out:%3\n", name(), in, out));
- RCUWriter<ChannelList> writer (channels);
- boost::shared_ptr<ChannelList> c = writer.get_copy();
+ bool changed = false;
- uint32_t n_audio = in.n_audio();
+ {
+ RCUWriter<ChannelList> writer (channels);
+ boost::shared_ptr<ChannelList> c = writer.get_copy();
- if (n_audio > c->size()) {
- add_channel_to (c, n_audio - c->size());
- } else if (n_audio < c->size()) {
- remove_channel_from (c, c->size() - n_audio);
+ uint32_t n_audio = in.n_audio();
+
+ if (n_audio > c->size()) {
+ add_channel_to (c, n_audio - c->size());
+ changed = true;
+ } else if (n_audio < c->size()) {
+ remove_channel_from (c, c->size() - n_audio);
+ changed = true;
+ }
+
+ /* writer leaves scope, actual channel list is updated */
}
if (in.n_midi() > 0 && !_midi_buf) {
const size_t size = _session.butler()->midi_diskstream_buffer_size();
_midi_buf = new MidiRingBuffer<framepos_t>(size);
midi_interpolation.add_channel_to (0,0);
+ changed = true;
}
- if (speed() != 1.0f || speed() != -1.0f) {
- seek ((framepos_t) (_session.transport_frame() * (double) speed()));
- } else {
+ if (changed) {
seek (_session.transport_frame());
}
{
/* now refill channel buffers */
- if (speed() != 1.0f || speed() != -1.0f) {
- seek ((framepos_t) (location * (double) speed()), true);
- } else {
- seek (location, true);
- }
+ seek (location, true);
}
void
-DiskIOProcessor::non_realtime_set_speed ()
+DiskIOProcessor::non_realtime_speed_change ()
{
if (_buffer_reallocation_required) {
_buffer_reallocation_required = false;
}
if (_seek_required) {
- if (speed() != 1.0f || speed() != -1.0f) {
- seek ((framepos_t) (_session.transport_frame() * (double) speed()), true);
- }
- else {
- seek (_session.transport_frame(), true);
- }
-
+ seek (_session.transport_frame(), true);
_seek_required = false;
}
}
bool
-DiskIOProcessor::realtime_set_speed (double sp, bool global)
+DiskIOProcessor::realtime_speed_change ()
{
- bool changed = false;
- double new_speed = sp * _session.transport_speed();
-
- if (_visible_speed != sp) {
- _visible_speed = sp;
- changed = true;
- }
+ const framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() * fabs (_session.transport_speed())) + 2;
+ bool _buffer_reallocation_required;
- if (new_speed != _actual_speed) {
-
- framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() *
- fabs (new_speed)) + 2;
-
- if (required_wrap_size > wrap_buffer_size) {
- _buffer_reallocation_required = true;
- }
-
- _actual_speed = new_speed;
- _target_speed = fabs(_actual_speed);
- }
-
- if (changed) {
- if (!global) {
- _seek_required = true;
- }
- SpeedChanged (); /* EMIT SIGNAL */
+ if (required_wrap_size > wrap_buffer_size) {
+ _buffer_reallocation_required = true;
+ } else {
+ _buffer_reallocation_required = false;
}
- return _buffer_reallocation_required || _seek_required;
+ return _buffer_reallocation_required;
}
int
_flags = Flag (string_2_enum (prop->value(), _flags));
}
- if ((prop = node.property ("speed")) != 0) {
- double sp = atof (prop->value().c_str());
-
- if (realtime_set_speed (sp, false)) {
- non_realtime_set_speed ();
- }
- }
return 0;
}
while (how_many--) {
c->push_back (new ChannelInfo (_session.butler()->audio_diskstream_playback_buffer_size()));
interpolation.add_channel_to (_session.butler()->audio_diskstream_playback_buffer_size(), speed_buffer_size);
+ DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: new channel, write space = %2 read = %3\n",
+ name(),
+ c->back()->buf->write_space(),
+ c->back()->buf->read_space()));
}
return 0;
DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: set to use playlist %2 (%3)\n", name(), playlist->name(), dt.to_string()));
if (playlist == _playlists[dt]) {
+ DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: already using that playlist\n", name()));
return 0;
}
playlist->DropReferences.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_deleted, this, boost::weak_ptr<Playlist>(playlist)));
playlist->RangesMoved.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_ranges_moved, this, _1, _2));
- DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1 now use playlist %1 (%2)\n", name(), playlist->name(), playlist->id()));
+ DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1 now using playlist %1 (%2)\n", name(), playlist->name(), playlist->id()));
PlaylistChanged (dt); /* EMIT SIGNAL */
_session.set_dirty ();
capture_transition_buf = 0;
}
+void
+DiskIOProcessor::drop_route ()
+{
+ _route.reset ();
+}
+
void
DiskIOProcessor::set_route (boost::shared_ptr<Route> r)
{
_route = r;
+
+ if (_route) {
+ _route->DropReferences.connect_same_thread (*this, boost::bind (&DiskIOProcessor::drop_route, this));
+ }
}
/** Get the start, end, and length of a location "atomically".
*length = *end - *start;
}
}
+