fixes for 98% of all the warnings/errors reported by OS X gcc on tiger
[ardour.git] / libs / ardour / audio_track.cc
index 862f15b68cc2fd5f5b923e714187d758b77b0611..14870cb72dc18b2649bd78c814dcb5bd1e10e296 100644 (file)
@@ -92,7 +92,7 @@ AudioTrack::set_diskstream (boost::shared_ptr<Diskstream> ds)
 {
        Track::set_diskstream (ds);
 
-        _diskstream->set_track (this);
+       _diskstream->set_track (this);
        _diskstream->set_destructive (_mode == Destructive);
        _diskstream->set_non_layered (_mode == NonLayered);
 
@@ -209,6 +209,7 @@ AudioTrack::_set_state (const XMLNode& node, int version, bool call_base)
 {
        const XMLProperty *prop;
        XMLNodeConstIterator iter;
+       XMLNode *child;
 
        if (call_base) {
                if (Route::_set_state (node, version, call_base)) {
@@ -222,25 +223,29 @@ AudioTrack::_set_state (const XMLNode& node, int version, bool call_base)
                _mode = Normal;
        }
 
+       if (version >= 3000) {
+               if ((child = find_named_node (node, X_("Diskstream"))) != 0) {
+                       boost::shared_ptr<AudioDiskstream> ds (new AudioDiskstream (_session, *child));
+                       ds->do_refill_with_alloc ();
+                       set_diskstream (ds);
+               }
+       }
+
+       /* set rec-enable control *AFTER* setting up diskstream, because it may want to operate
+          on the diskstream as it sets its own state
+       */
+
        XMLNodeList nlist;
        XMLNodeConstIterator niter;
-       XMLNode *child;
 
        nlist = node.children();
        for (niter = nlist.begin(); niter != nlist.end(); ++niter){
                child = *niter;
 
-               if (child->name() == X_("recenable")) {
-                       _rec_enable_control->set_state (*child, version);
-                       _session.add_controllable (_rec_enable_control);
-               }
-       }
-
-       if (version >= 3000) {
-               if ((child = find_named_node (node, X_("Diskstream"))) != 0) {
-                       boost::shared_ptr<AudioDiskstream> ds (new AudioDiskstream (_session, *child));
-                       ds->do_refill_with_alloc ();
-                       set_diskstream (ds);
+               if (child->name() == Controllable::xml_node_name && (prop = child->property ("name")) != 0) {
+                       if (prop->value() == X_("recenable")) {
+                               _rec_enable_control->set_state (*child, version);
+                       }
                }
        }
 
@@ -348,30 +353,28 @@ AudioTrack::set_state_part_two ()
 }
 
 int
-AudioTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame, int declick,
-                 bool can_record, bool rec_monitors_input, bool& need_butler)
+AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick,
+                 bool can_record, bool& need_butler)
 {
+       Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
+       if (!lm.locked()) {
+               return 0;
+       }
+
        int dret;
        Sample* b;
        Sample* tmpb;
-       nframes_t transport_frame;
+       framepos_t transport_frame;
        boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
-        
-       {
-               Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
-               if (lm.locked()) {
-                       // automation snapshot can also be called from the non-rt context
-                       // and it uses the redirect list, so we take the lock out here
-                       automation_snapshot (start_frame, false);
-               }
-       }
+
+       automation_snapshot (start_frame, false);
 
        if (n_outputs().n_total() == 0 && _processors.empty()) {
                return 0;
        }
 
        if (!_active) {
-                silence (nframes);
+               silence (nframes);
                return 0;
        }
 
@@ -383,13 +386,13 @@ AudioTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
                   playback distance to zero, thus causing diskstream::commit
                   to do nothing.
                */
-               return diskstream->process (transport_frame, 0, can_record, rec_monitors_input, need_butler);
+               return diskstream->process (transport_frame, 0, can_record, need_butler);
        }
 
        _silent = false;
        _amp->apply_gain_automation(false);
 
-       if ((dret = diskstream->process (transport_frame, nframes, can_record, rec_monitors_input, need_butler)) != 0) {
+       if ((dret = diskstream->process (transport_frame, nframes, can_record, need_butler)) != 0) {
                silence (nframes);
                return dret;
        }
@@ -449,7 +452,7 @@ AudioTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
 
                                Sample* bb = bufs.get_audio (i).data();
 
-                               for (nframes_t xx = 0; xx < nframes; ++xx) {
+                               for (pframes_t xx = 0; xx < nframes; ++xx) {
                                        bb[xx] = b[xx] * scaling;
                                }
 
@@ -499,21 +502,13 @@ AudioTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
                        bufs.set_count (chn);
                }
 
-               /* don't waste time with automation if we're recording or we've just stopped (yes it can happen) */
+               /* final argument: don't waste time with automation if we're recording or we've just stopped (yes it can happen) */
 
-               if (!diskstream->record_enabled() && _session.transport_rolling()) {
-#ifdef XXX_MOVE_THIS_TO_AMP
-                       Glib::Mutex::Lock am (data().control_lock(), Glib::TRY_LOCK);
-
-                       if (am.locked() && gain_control()->automation_playback()) {
-                               _amp->apply_gain_automation(
-                                               gain_control()->list()->curve().rt_safe_get_vector (
-                                                       start_frame, end_frame, _session.gain_automation_buffer(), nframes));
-                       }
-#endif
-               }
-
-               process_output_buffers (bufs, start_frame, end_frame, nframes, (!_session.get_record_enabled() || !Config->get_do_not_record_plugins()), declick);
+               process_output_buffers (
+                       bufs, start_frame, end_frame, nframes,
+                       (!_session.get_record_enabled() || !Config->get_do_not_record_plugins()),
+                       declick,
+                       (!diskstream->record_enabled() && _session.transport_rolling()));
 
        } else {
                /* problem with the diskstream; just be quiet for a bit */
@@ -524,24 +519,24 @@ AudioTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
 }
 
 int
-AudioTrack::export_stuff (BufferSet& buffers, sframes_t start, nframes_t nframes, bool enable_processing)
+AudioTrack::export_stuff (BufferSet& buffers, framepos_t start, framecnt_t nframes, bool enable_processing)
 {
        boost::scoped_array<gain_t> gain_buffer (new gain_t[nframes]);
-       boost::scoped_array<float> mix_buffer (new float[nframes]);
+       boost::scoped_array<Sample> mix_buffer (new Sample[nframes]);
        boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
 
        Glib::RWLock::ReaderLock rlock (_processor_lock);
 
        boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(diskstream->playlist());
-       assert(apl);
 
-       assert(buffers.get_audio(0).capacity() >= nframes);
+       assert(apl);
+       assert(buffers.count().n_audio() >= 1);
+       assert ((framecnt_t) buffers.get_audio(0).capacity() >= nframes);
 
        if (apl->read (buffers.get_audio(0).data(), mix_buffer.get(), gain_buffer.get(), start, nframes) != nframes) {
                return -1;
        }
 
-       assert(buffers.count().n_audio() >= 1);
        uint32_t n=1;
        Sample* b = buffers.get_audio(0).data();
        BufferSet::audio_iterator bi = buffers.audio_begin();
@@ -552,8 +547,7 @@ AudioTrack::export_stuff (BufferSet& buffers, sframes_t start, nframes_t nframes
                                return -1;
                        }
                        b = bi->data();
-               }
-               else {
+               } else {
                        /* duplicate last across remaining buffers */
                        memcpy (bi->data(), b, sizeof (Sample) * nframes);
                }
@@ -574,7 +568,7 @@ AudioTrack::export_stuff (BufferSet& buffers, sframes_t start, nframes_t nframes
                boost::shared_ptr<Processor> processor = boost::dynamic_pointer_cast<Processor> (*i);
                boost::shared_ptr<Delivery> delivery = boost::dynamic_pointer_cast<Delivery> (*i);
                boost::shared_ptr<PeakMeter> meter = boost::dynamic_pointer_cast<PeakMeter> (*i);
-               
+
                if (processor && (!delivery || !Delivery::role_requires_output_ports (delivery->role())) && !meter) {
                        processor->run (buffers, start, start+nframes, nframes, true);
                }
@@ -591,7 +585,7 @@ AudioTrack::bounce (InterThreadInfo& itt)
 }
 
 boost::shared_ptr<Region>
-AudioTrack::bounce_range (nframes_t start, nframes_t end, InterThreadInfo& itt, bool enable_processing)
+AudioTrack::bounce_range (framepos_t start, framepos_t end, InterThreadInfo& itt, bool enable_processing)
 {
        vector<boost::shared_ptr<Source> > srcs;
        return _session.write_one_track (*this, start, end, false, srcs, itt, enable_processing);
@@ -675,7 +669,7 @@ AudioTrack::freeze_me (InterThreadInfo& itt)
        /* create a new region from all filesources, keep it private */
 
        PropertyList plist;
-       
+
        plist.add (Properties::start, 0);
        plist.add (Properties::length, srcs[0]->length(srcs[0]->timeline_position()));
        plist.add (Properties::name, region_name);
@@ -734,3 +728,9 @@ AudioTrack::write_source (uint32_t n)
        assert (ds);
        return ds->write_source (n);
 }
+
+bool
+AudioTrack::bounceable () const
+{
+       return n_inputs().n_audio() >= n_outputs().n_audio();
+}