diff options
Diffstat (limited to 'libs/backends/portaudio/portaudio_backend.h')
| -rw-r--r-- | libs/backends/portaudio/portaudio_backend.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libs/backends/portaudio/portaudio_backend.h b/libs/backends/portaudio/portaudio_backend.h index b0d148701d..0433f120ee 100644 --- a/libs/backends/portaudio/portaudio_backend.h +++ b/libs/backends/portaudio/portaudio_backend.h @@ -320,6 +320,8 @@ 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 (); @@ -334,6 +336,22 @@ class PortAudioBackend : public AudioBackend { 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); @@ -346,10 +364,17 @@ class PortAudioBackend : public AudioBackend { bool _active; /* is running, process thread */ bool _freewheel; bool _freewheeling; + bool _freewheel_ack; + bool _reinit_thread_callback; bool _measure_latency; 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; uint64_t m_max_deviation_us; @@ -387,6 +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; |