X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fbackends%2Fportaudio%2Fportaudio_backend.h;h=0433f120ee7b4623e1d4df1b01e83b2ac74545f3;hb=f1b336b01e28f499dcd73a1fd65236efe118eb7d;hp=15f32befc28dc25f91119cb0d77d3fb5d869fa11;hpb=a65b1ddedc28a4135057dd48782f4cfa5d1411ea;p=ardour.git

diff --git a/libs/backends/portaudio/portaudio_backend.h b/libs/backends/portaudio/portaudio_backend.h
index 15f32befc2..0433f120ee 100644
--- a/libs/backends/portaudio/portaudio_backend.h
+++ b/libs/backends/portaudio/portaudio_backend.h
@@ -30,12 +30,12 @@
 #include <boost/shared_ptr.hpp>
 
 #include "ardour/audio_backend.h"
+#include "ardour/dsp_load_calculator.h"
 #include "ardour/types.h"
 
 #include "portaudio_io.h"
 #include "winmmemidi_io.h"
 #include "cycle_timer.h"
-#include "dsp_load_calculator.h"
 
 namespace ARDOUR {
 
@@ -320,13 +320,40 @@ class PortAudioBackend : public AudioBackend {
 
 		void* main_blocking_process_thread ();
 
+		void* freewheel_process_thread ();
+
 	private: // Methods
 		bool start_blocking_process_thread ();
 		bool stop_blocking_process_thread ();
 		bool blocking_process_freewheel ();
-		bool blocking_process_main ();
+		bool blocking_process_main (const float* interleaved_input_data,
+		                            float* interleaved_output_data);
 
 		void process_port_connection_changes ();
+		void process_incoming_midi ();
+		void process_outgoing_midi ();
+
+		bool engine_halted ();
+		bool running ();
+
+		static int portaudio_callback(const void* input,
+	                                  void* output,
+	                                  unsigned long frameCount,
+	                                  const PaStreamCallbackTimeInfo* timeInfo,
+	                                  PaStreamCallbackFlags statusFlags,
+	                                  void* userData);
+
+		bool process_callback(const float* input,
+	                          float* output,
+	                          uint32_t frame_count,
+	                          const PaStreamCallbackTimeInfo* timeInfo,
+	                          PaStreamCallbackFlags statusFlags);
+
+		bool start_freewheel_process_thread ();
+		bool stop_freewheel_process_thread ();
+
+		static bool set_mmcss_pro_audio (HANDLE* task_handle);
+		static bool reset_mmcss (HANDLE task_handle);
 
 	private:
 		std::string _instance_name;
@@ -337,9 +364,16 @@ class PortAudioBackend : public AudioBackend {
 		bool  _active; /* is running, process thread */
 		bool  _freewheel;
 		bool  _freewheeling;
+		bool  _freewheel_ack;
+		bool  _reinit_thread_callback;
 		bool  _measure_latency;
 
-		DSPLoadCalculator m_dsp_calc;
+		ARDOUR::DSPLoadCalculator m_dsp_calc;
+
+		bool m_freewheel_thread_active;
+
+		pthread_mutex_t m_freewheel_mutex;
+		pthread_cond_t m_freewheel_signal;
 
 		uint64_t m_cycle_count;
 		uint64_t m_total_deviation_us;
@@ -378,6 +412,12 @@ class PortAudioBackend : public AudioBackend {
 		/* blocking thread */
 		pthread_t _main_blocking_thread;
 
+		/* main thread in callback mode(or fw thread when running) */
+		pthread_t m_main_thread;
+
+		/* freewheel thread in callback mode */
+		pthread_t m_pthread_freewheel;
+
 		/* process threads */
 		static void* portaudio_process_thread (void *);
 		std::vector<pthread_t> _threads;