along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <cmath>
using namespace PBD;
using namespace std;
+/** Called by the audio engine when there is work to be done with JACK.
+ * @param nframes Number of frames to process.
+ */
void
-Session::process (jack_nframes_t nframes)
+Session::process (nframes_t nframes)
{
MIDI::Manager::instance()->cycle_start(nframes);
}
if (non_realtime_work_pending()) {
- if (g_atomic_int_get (&butler_should_do_transport_work) == 0) {
+ if (!transport_work_requested ()) {
post_transport ();
}
}
}
int
-Session::no_roll (jack_nframes_t nframes, jack_nframes_t offset)
+Session::no_roll (nframes_t nframes, nframes_t offset)
{
- jack_nframes_t end_frame = _transport_frame + nframes; // FIXME: varispeed + no_roll ??
+ nframes_t end_frame = _transport_frame + nframes; // FIXME: varispeed + no_roll ??
int ret = 0;
bool declick = get_transport_declick_required();
boost::shared_ptr<RouteList> r = routes.reader ();
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- if ((*i)->hidden()) {
+ if ((*i)->is_hidden()) {
continue;
}
}
int
-Session::process_routes (jack_nframes_t nframes, jack_nframes_t offset)
+Session::process_routes (nframes_t nframes, nframes_t offset)
{
bool record_active;
int declick = get_transport_declick_required();
record_active = actively_recording(); // || (get_record_enabled() && get_punch_in());
- const jack_nframes_t start_frame = _transport_frame;
- const jack_nframes_t end_frame = _transport_frame + (jack_nframes_t)floor(nframes * _transport_speed);
+ const nframes_t start_frame = _transport_frame;
+ const nframes_t end_frame = _transport_frame + (nframes_t)floor(nframes * _transport_speed);
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
int ret;
- if ((*i)->hidden()) {
+ if ((*i)->is_hidden()) {
continue;
}
}
int
-Session::silent_process_routes (jack_nframes_t nframes, jack_nframes_t offset)
+Session::silent_process_routes (nframes_t nframes, nframes_t offset)
{
bool record_active = actively_recording();
int declick = get_transport_declick_required();
declick = -1;
}
- const jack_nframes_t start_frame = _transport_frame;
- const jack_nframes_t end_frame = _transport_frame + lrintf(nframes * _transport_speed);
+ const nframes_t start_frame = _transport_frame;
+ const nframes_t end_frame = _transport_frame + lrintf(nframes * _transport_speed);
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
int ret;
- if ((*i)->hidden()) {
+ if ((*i)->is_hidden()) {
continue;
}
}
void
-Session::commit_diskstreams (jack_nframes_t nframes, bool &needs_butler)
+Session::commit_diskstreams (nframes_t nframes, bool &needs_butler)
{
int dret;
float pworst = 1.0f;
}
/* force all diskstreams not handled by a Route to call do their stuff.
+ Note: the diskstreams that were handled by a route will just return zero
+ from this call, because they know they were processed. So in fact, this
+ also runs commit() for every diskstream.
*/
if ((dret = (*i)->process (_transport_frame, nframes, 0, actively_recording(), get_rec_monitors_input())) == 0) {
}
}
-
+/** Process callback used when the auditioner is not active */
void
-Session::process_with_events (jack_nframes_t nframes)
+Session::process_with_events (nframes_t nframes)
{
Event* ev;
- jack_nframes_t this_nframes;
- jack_nframes_t end_frame;
- jack_nframes_t offset;
- jack_nframes_t stop_limit;
+ nframes_t this_nframes;
+ nframes_t end_frame;
+ nframes_t offset;
+ nframes_t stop_limit;
long frames_moved;
bool session_needs_butler = false;
return;
}
- end_frame = _transport_frame + nframes;
+ end_frame = _transport_frame + (nframes_t)abs(floor(nframes * _transport_speed));
{
Event* this_event;
offset = 0;
+ /* yes folks, here it is, the actual loop where we really truly
+ process some audio */
while (nframes) {
- if (this_event == 0 || this_event->action_frame > end_frame || this_event->action_frame < _transport_frame) {
+ this_nframes = nframes; /* real (jack) time relative */
+ frames_moved = (long) floor (_transport_speed * nframes); /* transport relative */
- this_nframes = nframes;
-
- } else {
-
- /* compute nframes to next event */
-
- if (this_event->action_frame < end_frame) {
- this_nframes = nframes - (end_frame - this_event->action_frame);
- } else {
- this_nframes = nframes;
- }
- }
+ /* running an event, position transport precisely to its time */
+ if (this_event && this_event->action_frame <= end_frame && this_event->action_frame >= _transport_frame) {
+ /* this isn't quite right for reverse play */
+ frames_moved = (long) (this_event->action_frame - _transport_frame);
+ this_nframes = (nframes_t) abs( floor(frames_moved / _transport_speed) );
+ }
if (this_nframes) {
nframes -= this_nframes;
offset += this_nframes;
- frames_moved = (jack_nframes_t) floor (_transport_speed * this_nframes);
-
if (frames_moved < 0) {
decrement_transport_position (-frames_moved);
} else {
}
/* this is necessary to handle the case of seamless looping */
- /* not sure if it will work in conjuction with varispeed */
- end_frame = _transport_frame + nframes;
+ end_frame = _transport_frame + (nframes_t) floor (nframes * _transport_speed);
}
{
Slave* sl = _slave;
- if (!locate_pending() && ((_slave_type == None) || (sl && sl->ok() && sl->locked()))) {
+ if (!locate_pending() && ((Config->get_slave_source() == None) || (sl && sl->ok() && sl->locked()))) {
return true;
}
}
bool
-Session::follow_slave (jack_nframes_t nframes, jack_nframes_t offset)
+Session::follow_slave (nframes_t nframes, nframes_t offset)
{
float slave_speed;
- jack_nframes_t slave_transport_frame;
- jack_nframes_t this_delta;
+ nframes_t slave_transport_frame;
+ nframes_t this_delta;
int dir;
bool starting;
if (!_slave->ok()) {
stop_transport ();
- set_slave_source (None, 0);
+ Config->set_slave_source (None);
goto noroll;
}
cerr << "delta = " << (int) (dir * this_delta)
<< " speed = " << slave_speed
<< " ts = " << _transport_speed
- << " M@"<< slave_transport_frame << " S@" << _transport_frame
+ << " M@ "<< slave_transport_frame << " S@ " << _transport_frame
<< " avgdelta = " << average_slave_delta
<< endl;
#endif
Location* al = _locations.auto_loop_location();
- if (al && auto_loop && (slave_transport_frame < al->start() || slave_transport_frame > al->end())) {
+ if (al && play_loop && (slave_transport_frame < al->start() || slave_transport_frame > al->end())) {
// cancel looping
- request_auto_loop(false);
+ request_play_loop(false);
}
if (slave_transport_frame != _transport_frame) {
slave_state = Running;
bool ok = true;
- jack_nframes_t frame_delta = slave_transport_frame - _transport_frame;
+ nframes_t frame_delta = slave_transport_frame - _transport_frame;
boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
/* XXX what? */
}
- memset (delta_accumulator, 0, sizeof (jack_nframes_t) * delta_accumulator_size);
+ memset (delta_accumulator, 0, sizeof (nframes_t) * delta_accumulator_size);
average_slave_delta = 0;
this_delta = 0;
}
// << " tf = " << _transport_frame
// << endl;
- if (_slave_type == JACK) {
+ if (Config->get_slave_source() == JACK) {
last_stop_frame = _transport_frame;
}
request_transport_speed (adjusted_speed);
#if 1
- if ((jack_nframes_t) average_slave_delta > _slave->resolution()) {
+ if ((nframes_t) average_slave_delta > _slave->resolution()) {
// cerr << "not locked\n";
goto silent_motion;
}
increment_transport_position (frames_moved);
}
- jack_nframes_t stop_limit;
+ nframes_t stop_limit;
if (actively_recording()) {
stop_limit = max_frames;
}
void
-Session::process_without_events (jack_nframes_t nframes)
+Session::process_without_events (nframes_t nframes)
{
bool session_needs_butler = false;
- jack_nframes_t stop_limit;
+ nframes_t stop_limit;
long frames_moved;
- jack_nframes_t offset = 0;
+ nframes_t offset = 0;
{
if (post_transport_work & (PostTransportLocate|PostTransportStop)) {
} else {
increment_transport_position (frames_moved);
}
-
+
maybe_stop (stop_limit);
check_declick_out ();
summon_butler ();
}
+/** Process callback used when the auditioner is active.
+ * @param nframes number of frames to process.
+ */
void
-Session::process_audition (jack_nframes_t nframes)
+Session::process_audition (nframes_t nframes)
{
Event* ev;
boost::shared_ptr<RouteList> r = routes.reader ();
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- if (!(*i)->hidden()) {
+ if (!(*i)->is_hidden()) {
(*i)->silence (nframes, 0);
}
}
}
if (!auditioner->active()) {
+ /* auditioner no longer active, so go back to the normal process callback */
process_function = &Session::process_with_events;
}
}
bool
-Session::maybe_sync_start (jack_nframes_t& nframes, jack_nframes_t& offset)
+Session::maybe_sync_start (nframes_t& nframes, nframes_t& offset)
{
- jack_nframes_t sync_offset;
-
+ nframes_t sync_offset;
+
if (!waiting_for_sync_offset) {
return false;
}
projects / ardour.git / blobdiff