Merge branch 'master' into windows
[ardour.git] / libs / ardour / audio_track.cc
index 6161147f4406b443d185e002aa42ad21bfd6c456..a82c109cbaa1ad216ed89d117a6561232e980d84 100644 (file)
@@ -62,7 +62,7 @@ AudioTrack::create_diskstream ()
 {
        AudioDiskstream::Flag dflags = AudioDiskstream::Flag (0);
 
-       if (_flags & Hidden) {
+       if (_flags & Auditioner) {
                dflags = AudioDiskstream::Flag (dflags | AudioDiskstream::Hidden);
        } else {
                dflags = AudioDiskstream::Flag (dflags | AudioDiskstream::Recordable);
@@ -96,7 +96,7 @@ AudioTrack::set_diskstream (boost::shared_ptr<Diskstream> ds)
        }
 
        _diskstream->set_record_enabled (false);
-       _diskstream->request_jack_monitors_input (false);
+       _diskstream->request_input_monitoring (false);
 
        DiskstreamChanged (); /* EMIT SIGNAL */
 }
@@ -176,7 +176,7 @@ AudioTrack::deprecated_use_diskstream_connections ()
                        }
                }
 
-               _input->connect_ports_to_bundle (c, this);
+               _input->connect_ports_to_bundle (c, true, this);
 
        } else if ((prop = node.property ("inputs")) != 0) {
                if (_input->set_ports (prop->value())) {
@@ -310,25 +310,30 @@ AudioTrack::set_state_part_two ()
 int
 AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler)
 {
-       Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
+       Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
 
        if (!lm.locked()) {
+               boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
+               framecnt_t playback_distance = diskstream->calculate_playback_distance(nframes);
+               if (can_internal_playback_seek(llabs(playback_distance))) {
+                       /* TODO should declick */
+                       internal_playback_seek(playback_distance);
+               }
                return 0;
        }
 
-       Sample* b;
-       Sample* tmpb;
        framepos_t transport_frame;
        boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
 
-       automation_snapshot (start_frame, false);
-
        if (n_outputs().n_total() == 0 && _processors.empty()) {
                return 0;
        }
 
        if (!_active) {
                silence (nframes);
+               if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
+                       _meter->reset();
+               }
                return 0;
        }
 
@@ -344,7 +349,9 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
                   to do nothing.
                */
 
-               dret = diskstream->process (transport_frame, 0, playback_distance);
+               BufferSet bufs; /* empty set, no matter - nothing will happen */
+
+               dret = diskstream->process (bufs, transport_frame, 0, playback_distance, false);
                need_butler = diskstream->commit (playback_distance);
                return dret;
        }
@@ -352,126 +359,22 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
        _silent = false;
        _amp->apply_gain_automation(false);
 
-       if ((dret = diskstream->process (transport_frame, nframes, playback_distance)) != 0) {
-               need_butler = diskstream->commit (playback_distance);
-               silence (nframes);
-               return dret;
-       }
-
-       /* special condition applies */
+       BufferSet& bufs = _session.get_route_buffers (n_process_buffers ());
 
-       if (_meter_point == MeterInput) {
-               _input->process_input (_meter, start_frame, end_frame, nframes);
+       fill_buffers_with_input (bufs, _input, nframes);
+       
+       if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
+               _meter->run (bufs, start_frame, end_frame, nframes, true);
        }
 
-       if (monitoring_state() == MonitoringInput) {
-
-               passthru (start_frame, end_frame, nframes, false);
-
-       } else if ((b = diskstream->playback_buffer(0)) != 0) {
-
-               /*
-                 XXX is it true that the earlier test on n_outputs()
-                 means that we can avoid checking it again here? i think
-                 so, because changing the i/o configuration of an IO
-                 requires holding the AudioEngine lock, which we hold
-                 while in the process() tree.
-               */
-
-
-               /* copy the diskstream data to all output buffers */
-
-               size_t limit = input_streams ().n_audio();
-               BufferSet& bufs = _session.get_scratch_buffers ();
-               const size_t blimit = bufs.count().n_audio();
-
-               uint32_t n;
-               uint32_t i;
-
-               if (limit > blimit) {
-
-                       /* example case: auditioner configured for stereo output,
-                          but loaded with an 8 channel file. there are only
-                          2 passthrough buffers, but n_process_buffers() will
-                          return 8.
-
-                          arbitrary decision: map all channels in the diskstream
-                          to the outputs available.
-                       */
-
-                       float scaling = limit/blimit;
-
-                       for (i = 0, n = 1; i < blimit; ++i, ++n) {
-
-                               /* first time through just copy a channel into
-                                  the output buffer.
-                               */
-
-                               Sample* bb = bufs.get_audio (i).data();
-
-                               for (pframes_t xx = 0; xx < nframes; ++xx) {
-                                       bb[xx] = b[xx] * scaling;
-                               }
-
-                               if (n < diskstream->n_channels().n_audio()) {
-                                       tmpb = diskstream->playback_buffer(n);
-                                       if (tmpb!=0) {
-                                               b = tmpb;
-                                       }
-                               }
-                       }
-
-                       for (;i < limit; ++i, ++n) {
-
-                               /* for all remaining channels, sum with existing
-                                  data in the output buffers
-                               */
-
-                               bufs.get_audio (i%blimit).accumulate_with_gain_from (b, nframes, 0, scaling);
-
-                               if (n < diskstream->n_channels().n_audio()) {
-                                       tmpb = diskstream->playback_buffer(n);
-                                       if (tmpb!=0) {
-                                               b = tmpb;
-                                       }
-                               }
-
-                       }
-
-                       limit = blimit;
-
-               } else {
-                       for (i = 0, n = 1; i < limit; ++i, ++n) {
-                               memcpy (bufs.get_audio (i).data(), b, sizeof (Sample) * nframes);
-                               if (n < diskstream->n_channels().n_audio()) {
-                                       tmpb = diskstream->playback_buffer(n);
-                                       if (tmpb!=0) {
-                                               b = tmpb;
-                                       }
-                               }
-                       }
-
-                       /* try to leave any MIDI buffers alone */
-
-                       ChanCount chn;
-                       chn.set_audio (limit);
-                       chn.set_midi (_input->n_ports().n_midi());
-                       bufs.set_count (chn);
-               }
-
-               /* final argument: don't waste time with automation if we're recording or we've just stopped (yes it can happen) */
-
-               process_output_buffers (
-                       bufs, start_frame, end_frame, nframes,
-                       declick,
-                       (!diskstream->record_enabled() && _session.transport_rolling())
-                       );
-
-       } else {
-               /* problem with the diskstream; just be quiet for a bit */
+       if ((dret = diskstream->process (bufs, transport_frame, nframes, playback_distance, (monitoring_state() == MonitoringDisk))) != 0) {
+               need_butler = diskstream->commit (playback_distance);
                silence (nframes);
+               return dret;
        }
 
+       process_output_buffers (bufs, start_frame, end_frame, nframes, declick, (!diskstream->record_enabled() && _session.transport_rolling()));
+
        need_butler = diskstream->commit (playback_distance);
 
        return 0;
@@ -485,7 +388,7 @@ AudioTrack::export_stuff (BufferSet& buffers, framepos_t start, framecnt_t nfram
        boost::scoped_array<Sample> mix_buffer (new Sample[nframes]);
        boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
 
-       Glib::RWLock::ReaderLock rlock (_processor_lock);
+       Glib::Threads::RWLock::ReaderLock rlock (_processor_lock);
 
        boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(diskstream->playlist());
 
@@ -559,7 +462,7 @@ AudioTrack::bounceable (boost::shared_ptr<Processor> endpoint, bool include_endp
                return true;
        }
 
-       Glib::RWLock::ReaderLock lm (_processor_lock);
+       Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
        uint32_t naudio = n_inputs().n_audio();
 
        for (ProcessorList::const_iterator r = _processors.begin(); r != _processors.end(); ++r) {
@@ -668,7 +571,7 @@ AudioTrack::freeze_me (InterThreadInfo& itt)
        _freeze_record.processor_info.clear ();
 
        {
-               Glib::RWLock::ReaderLock lm (_processor_lock);
+               Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
 
                for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
 
@@ -731,7 +634,7 @@ AudioTrack::unfreeze ()
                audio_diskstream()->use_playlist (_freeze_record.playlist);
 
                {
-                       Glib::RWLock::ReaderLock lm (_processor_lock); // should this be a write lock? jlc
+                       Glib::Threads::RWLock::ReaderLock lm (_processor_lock); // should this be a write lock? jlc
                        for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
                                for (vector<FreezeRecordProcessorInfo*>::iterator ii = _freeze_record.processor_info.begin(); ii != _freeze_record.processor_info.end(); ++ii) {
                                        if ((*ii)->id == (*i)->id()) {