diff options
| author | Robin Gareus <robin@gareus.org> | 2014-06-12 21:35:25 +0200 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2014-06-13 11:47:51 +0200 |
| commit | da912f7ed41249af2262cb11b6332bf5bd8d9907 (patch) | |
| tree | a635a059f83b180064d10a5b6e551897f716d40b /libs/backends/alsa/alsa_audiobackend.h | |
| parent | be7da2e9526c394b14d1b84129c400bc0dc0f96d (diff) | |
add AudioEngine API to configure individual MIDI devices
Diffstat (limited to 'libs/backends/alsa/alsa_audiobackend.h')
| -rw-r--r-- | libs/backends/alsa/alsa_audiobackend.h | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/libs/backends/alsa/alsa_audiobackend.h b/libs/backends/alsa/alsa_audiobackend.h index 1f6c3d3400..e0d1f114c3 100644 --- a/libs/backends/alsa/alsa_audiobackend.h +++ b/libs/backends/alsa/alsa_audiobackend.h @@ -178,6 +178,8 @@ class AlsaAudioBackend : 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); /* Retrieving parameters */ std::string device_name () const; @@ -188,6 +190,10 @@ class AlsaAudioBackend : 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; + + bool can_set_systemic_midi_latencies () const { return true; } /* External control app */ std::string control_app_name () const { return std::string (); } @@ -198,6 +204,10 @@ class AlsaAudioBackend : 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; + /* State Control */ protected: int _start (bool for_latency_measurement); @@ -287,10 +297,10 @@ class AlsaAudioBackend : public AudioBackend { bool _run; /* keep going or stop, ardour thread */ bool _active; /* is running, process thread */ bool _freewheeling; + bool _measure_latency; - void enumerate_midi_devices (std::vector<std::string> &) const; std::string _audio_device; - std::string _midi_device; + std::string _midi_driver_option; /* audio device reservation */ ARDOUR::SystemExec *_device_reservation; @@ -300,10 +310,10 @@ class AlsaAudioBackend : public AudioBackend { void release_device(); bool _reservation_succeeded; + /* audio settings */ float _samplerate; size_t _samples_per_period; size_t _periods_per_cycle; - float _dsp_load; static size_t _max_buffer_size; uint32_t _n_inputs; @@ -311,11 +321,25 @@ class AlsaAudioBackend : public AudioBackend { uint32_t _systemic_audio_input_latency; uint32_t _systemic_audio_output_latency; - uint32_t _systemic_midi_input_latency; - uint32_t _systemic_midi_output_latency; - uint64_t _processed_samples; + /* midi settings */ + struct AlsaMidiDeviceInfo { + bool enabled; + uint32_t systemic_input_latency; + uint32_t systemic_output_latency; + AlsaMidiDeviceInfo() + : enabled (true) + , systemic_input_latency (0) + , systemic_output_latency (0) + {} + }; + + mutable std::map<std::string, struct AlsaMidiDeviceInfo *> _midi_devices; + struct AlsaMidiDeviceInfo * midi_device_info(std::string const) const; + /* processing */ + float _dsp_load; + uint64_t _processed_samples; pthread_t _main_thread; /* process threads */ |