Collect plugin runtime profile statistics.

[ardour.git] / libs / ardour / thread_buffers.cc

diff --git a/libs/ardour/thread_buffers.cc b/libs/ardour/thread_buffers.cc
index 2436b6d36549a969c4d52d0a29616764fe982808..5aa90a0598cedecd3f53c6ee97fd6c6a2abb0bcb 100644 (file)
--- a/libs/ardour/thread_buffers.cc
+++ b/libs/ardour/thread_buffers.cc
@@ -18,6 +18,7 @@
 */
 
 #include <iostream>
+#include <algorithm>
 
 #include "ardour/audioengine.h"
 #include "ardour/buffer_set.h"
@@ -27,47 +28,78 @@ using namespace ARDOUR;
 using namespace std;
 
 ThreadBuffers::ThreadBuffers ()
-        : silent_buffers (new BufferSet)
-        , scratch_buffers (new BufferSet)
-        , mix_buffers (new BufferSet)
-        , gain_automation_buffer (0)
-        , pan_automation_buffer (0)
-        , npan_buffers (0)
+       : silent_buffers (new BufferSet)
+       , scratch_buffers (new BufferSet)
+       , noinplace_buffers (new BufferSet)
+       , route_buffers (new BufferSet)
+       , mix_buffers (new BufferSet)
+       , gain_automation_buffer (0)
+       , trim_automation_buffer (0)
+       , send_gain_automation_buffer (0)
+       , scratch_automation_buffer (0)
+       , pan_automation_buffer (0)
+       , npan_buffers (0)
 {
 }
 
 void
-ThreadBuffers::ensure_buffers (ChanCount howmany)
+ThreadBuffers::ensure_buffers (ChanCount howmany, size_t custom)
 {
-        // std::cerr << "ThreadBuffers " << this << " resize buffers with count = " << howmany << std::endl;
+       // std::cerr << "ThreadBuffers " << this << " resize buffers with count = " << howmany << std::endl;
 
-        /* this is all protected by the process lock in the Session
-         */
+       /* this is all protected by the process lock in the Session
+        */
 
-        if (howmany.n_total() == 0) {
-                return;
-        }
+       /* we always need at least 1 midi buffer */
+       if (howmany.n_midi() < 1) {
+               howmany.set_midi(1);
+       }
+
+       if (howmany.n_audio() == 0 && howmany.n_midi() == 1) {
+               return;
+       }
 
-        AudioEngine* _engine = AudioEngine::instance ();
+       AudioEngine* _engine = AudioEngine::instance ();
 
        for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
                size_t count = std::max (scratch_buffers->available().get(*t), howmany.get(*t));
-                size_t size = _engine->raw_buffer_size (*t);
+               size_t size;
+               if (custom > 0) {
+                       size = custom;
+               } else {
+                       size = (*t == DataType::MIDI)
+                               ? _engine->raw_buffer_size (*t)
+                               : _engine->raw_buffer_size (*t) / sizeof (Sample);
+               }
 
                scratch_buffers->ensure_buffers (*t, count, size);
+               noinplace_buffers->ensure_buffers (*t, count, size);
                mix_buffers->ensure_buffers (*t, count, size);
-                silent_buffers->ensure_buffers (*t, count, size);
+               silent_buffers->ensure_buffers (*t, count, size);
+               route_buffers->ensure_buffers (*t, count, size);
        }
 
-        delete [] gain_automation_buffer;
-        gain_automation_buffer = new gain_t[_engine->raw_buffer_size (DataType::AUDIO)];
+       size_t audio_buffer_size = custom > 0 ? custom : _engine->raw_buffer_size (DataType::AUDIO) / sizeof (Sample);
+
+       delete [] gain_automation_buffer;
+       gain_automation_buffer = new gain_t[audio_buffer_size];
+       delete [] trim_automation_buffer;
+       trim_automation_buffer = new gain_t[audio_buffer_size];
+       delete [] send_gain_automation_buffer;
+       send_gain_automation_buffer = new gain_t[audio_buffer_size];
+       delete [] scratch_automation_buffer;
+       scratch_automation_buffer = new gain_t[audio_buffer_size];
 
-       allocate_pan_automation_buffers (_engine->raw_buffer_size (DataType::AUDIO), howmany.n_audio(), false);
+       allocate_pan_automation_buffers (audio_buffer_size, howmany.n_audio(), false);
 }
 
 void
-ThreadBuffers::allocate_pan_automation_buffers (framecnt_t nframes, uint32_t howmany, bool force)
+ThreadBuffers::allocate_pan_automation_buffers (samplecnt_t nframes, uint32_t howmany, bool force)
 {
+       /* we always need at least 2 pan buffers */
+
+       howmany = max (2U, howmany);
+
        if (!force && howmany <= npan_buffers) {
                return;
        }