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replace "None" with DeviceNone in ALSA/Coreaudio
[ardour.git] / libs / backends / coreaudio / coreaudio_backend.h
diff --git a/libs/backends/coreaudio/coreaudio_backend.h b/libs/backends/coreaudio/coreaudio_backend.h
index ecc7107c71d43dc4d9c5ef9590e10975b70ebfca..55aaf473895be569c7c916e6e5bc8bf9dbd1ba6d 100644 (file)
--- a/libs/backends/coreaudio/coreaudio_backend.h
+++ b/libs/backends/coreaudio/coreaudio_backend.h
@@ -65,9 +65,11 @@ class CoreBackendPort {
                virtual ~CoreBackendPort ();
 
                const std::string& name () const { return _name; }
+               const std::string& pretty_name () const { return _pretty_name; }
                PortFlags flags () const { return _flags; }
 
                int set_name (const std::string &name) { _name = name; return 0; }
+               int set_pretty_name (const std::string &name) { _pretty_name = name; return 0; }
 
                virtual DataType type () const = 0;
 
@@ -107,6 +109,7 @@ class CoreBackendPort {
        private:
                CoreAudioBackend &_osx_backend;
                std::string _name;
+               std::string _pretty_name;
                const PortFlags _flags;
                LatencyRange _capture_latency_range;
                LatencyRange _playback_latency_range;
@@ -162,9 +165,15 @@ class CoreAudioBackend : public AudioBackend {
                std::string name () const;
                bool is_realtime () const;
 
+               bool use_separate_input_and_output_devices () const { return true; }
                std::vector<DeviceStatus> enumerate_devices () const;
+               std::vector<DeviceStatus> enumerate_input_devices () const;
+               std::vector<DeviceStatus> enumerate_output_devices () const;
+
                std::vector<float> available_sample_rates (const std::string& device) const;
+               std::vector<float> available_sample_rates2 (const std::string&, const std::string&) const;
                std::vector<uint32_t> available_buffer_sizes (const std::string& device) const;
+               std::vector<uint32_t> available_buffer_sizes2 (const std::string&, const std::string&) const;
                uint32_t available_input_channel_count (const std::string& device) const;
                uint32_t available_output_channel_count (const std::string& device) const;
 
@@ -172,6 +181,8 @@ class CoreAudioBackend : public AudioBackend {
                bool can_change_buffer_size_when_running () const;
 
                int set_device_name (const std::string&);
+               int set_input_device_name (const std::string&);
+               int set_output_device_name (const std::string&);
                int set_sample_rate (float);
                int set_buffer_size (uint32_t);
                int set_interleaved (bool yn);
@@ -179,13 +190,15 @@ class CoreAudioBackend : public AudioBackend {
                int set_output_channels (uint32_t);
                int set_systemic_input_latency (uint32_t);
                int set_systemic_output_latency (uint32_t);
-               int set_systemic_midi_input_latency (std::string const, uint32_t);
-               int set_systemic_midi_output_latency (std::string const, uint32_t);
+               int set_systemic_midi_input_latency (std::string const, uint32_t) { return 0; }
+               int set_systemic_midi_output_latency (std::string const, uint32_t) { return 0; }
 
                int reset_device () { return 0; };
 
                /* Retrieving parameters */
                std::string  device_name () const;
+               std::string  input_device_name () const;
+               std::string  output_device_name () const;
                float        sample_rate () const;
                uint32_t     buffer_size () const;
                bool         interleaved () const;
@@ -193,8 +206,8 @@ class CoreAudioBackend : public AudioBackend {
                uint32_t     output_channels () const;
                uint32_t     systemic_input_latency () const;
                uint32_t     systemic_output_latency () const;
-               uint32_t     systemic_midi_input_latency (std::string const) const;
-               uint32_t     systemic_midi_output_latency (std::string const) const;
+               uint32_t     systemic_midi_input_latency (std::string const) const { return 0; }
+               uint32_t     systemic_midi_output_latency (std::string const) const { return 0; }
 
                bool can_set_systemic_midi_latencies () const { return false; /* XXX */}
 
@@ -207,12 +220,18 @@ class CoreAudioBackend : public AudioBackend {
                int set_midi_option (const std::string&);
                std::string midi_option () const;
 
-               std::vector<DeviceStatus> enumerate_midi_devices () const;
-               int set_midi_device_enabled (std::string const, bool);
-               bool midi_device_enabled (std::string const) const;
+               std::vector<DeviceStatus> enumerate_midi_devices () const {
+                       return std::vector<AudioBackend::DeviceStatus> ();
+               }
+               int set_midi_device_enabled (std::string const, bool) {
+                       return true;
+               }
+               bool midi_device_enabled (std::string const) const {
+                       return false;
+               }
 
                // really private, but needing static access:
-               int process_callback();
+               int process_callback(uint32_t, uint64_t);
                void error_callback();
                void xrun_callback();
                void buffer_size_callback();
@@ -250,6 +269,7 @@ class CoreAudioBackend : public AudioBackend {
                int         set_port_name (PortHandle, const std::string&);
                std::string get_port_name (PortHandle) const;
                PortHandle  get_port_by_name (const std::string&) const;
+               int get_port_property (PortHandle, const std::string& key, std::string& value, std::string& type) const;
 
                int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
 
@@ -300,7 +320,7 @@ class CoreAudioBackend : public AudioBackend {
                void* get_buffer (PortHandle, pframes_t);
 
                void* freewheel_thread ();
-               void post_process ();
+               void pre_process ();
                void coremidi_rediscover ();
 
        private:
@@ -317,13 +337,22 @@ class CoreAudioBackend : public AudioBackend {
                bool  _freewheel_ack;
                bool  _reinit_thread_callback;
                bool  _measure_latency;
+
+               uint64_t _last_process_start;
+
                pthread_mutex_t _process_callback_mutex;
 
+               pthread_mutex_t _freewheel_mutex;
+               pthread_cond_t  _freewheel_signal;
+
                static std::vector<std::string> _midi_options;
-               static std::vector<AudioBackend::DeviceStatus> _audio_device_status;
+               static std::vector<AudioBackend::DeviceStatus> _input_audio_device_status;
+               static std::vector<AudioBackend::DeviceStatus> _output_audio_device_status;
+               static std::vector<AudioBackend::DeviceStatus> _duplex_audio_device_status;
                static std::vector<AudioBackend::DeviceStatus> _midi_device_status;
 
-               mutable std::string _audio_device;
+               mutable std::string _input_audio_device;
+               mutable std::string _output_audio_device;
                std::string _midi_driver_option;
 
                /* audio settings */
@@ -340,21 +369,6 @@ class CoreAudioBackend : public AudioBackend {
                /* coreaudio specific  */
                uint32_t name_to_id(std::string) const;
 
-               /* midi settings */
-               struct CoreMidiDeviceInfo {
-                       bool     enabled;
-                       uint32_t systemic_input_latency;
-                       uint32_t systemic_output_latency;
-                       CoreMidiDeviceInfo()
-                               : enabled (true)
-                               , systemic_input_latency (0)
-                               , systemic_output_latency (0)
-                       {}
-               };
-
-               mutable std::map<std::string, struct CoreMidiDeviceInfo *> _midi_devices;
-               struct CoreMidiDeviceInfo * midi_device_info(std::string const) const;
-
                /* processing */
                float  _dsp_load;
                uint64_t _processed_samples;
@@ -433,6 +447,46 @@ class CoreAudioBackend : public AudioBackend {
                        return NULL;
                }
 
+#ifdef USE_MIDI_PARSER
+
+               bool midi_process_byte (const uint8_t);
+
+               void midi_record_byte (uint8_t byte) {
+                       if (_total_bytes < sizeof (_parser_buffer)) {
+                               _parser_buffer[_total_bytes] = byte;
+                       } else {
+                               ++_unbuffered_bytes;
+                       }
+                       ++_total_bytes;
+               }
+
+               void midi_prepare_byte_event (const uint8_t byte) {
+                       _parser_buffer[0] = byte;
+                       _parser_bytes = 1;
+               }
+
+               bool midi_prepare_buffered_event () {
+                       const bool result = _unbuffered_bytes == 0;
+                       if (result) {
+                               _parser_bytes = _total_bytes;
+                       }
+                       _total_bytes = 0;
+                       _unbuffered_bytes = 0;
+                       if (_status_byte >= 0xf0) {
+                               _expected_bytes = 0;
+                               _status_byte = 0;
+                       }
+                       return result;
+               }
+
+               size_t  _unbuffered_bytes;
+               size_t  _total_bytes;
+               size_t  _expected_bytes;
+               uint8_t _status_byte;
+               uint8_t _parser_buffer[128];
+               uint8_t _parser_bytes;
+#endif
+
 }; // class CoreAudioBackend
 
 } // namespace
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