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WinMME based midi input/output for portaudio backend

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TODO:

Use MMCSS to elevate thread priorities
Enable/test and fix SYSEX related code
This commit is contained in:
Tim Mayberry 2015-05-17 20:55:04 +10:00
parent b12f865a4a
commit e258c827e2
18 changed files with 2074 additions and 72 deletions
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11
libs/backends/portaudio/portaudio_backend.h
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@ -33,6 +33,8 @@
#include "ardour/types.h"
#include "portaudio_io.h"
#include "winmmemidi_io.h"
#include "cycle_timer.h"
namespace ARDOUR {
@ -312,6 +314,7 @@ class PortAudioBackend : public AudioBackend {
private:
std::string _instance_name;
PortAudioIO *_pcmio;
WinMMEMidiIO *_midiio;
bool _run; /* keep going or stop, ardour thread */
bool _active; /* is running, process thread */
@ -319,7 +322,12 @@ class PortAudioBackend : public AudioBackend {
bool _freewheeling;
bool _measure_latency;
uint64_t _last_process_start;
uint64_t m_cycle_count;
uint64_t m_total_deviation_us;
uint64_t m_max_deviation_us;
CycleTimer m_cycle_timer;
uint64_t m_last_cycle_start;
static std::vector<std::string> _midi_options;
static std::vector<AudioBackend::DeviceStatus> _input_audio_device_status;
@ -365,6 +373,7 @@ class PortAudioBackend : public AudioBackend {
/* port engine */
PortHandle add_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
int register_system_audio_ports ();
int register_system_midi_ports ();
void unregister_ports (bool system_only = false);
std::vector<PamPort *> _ports;