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Implement AudioBackend::driver_name() in PortaudioBackend

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This was missing and is necessary for EngineControl dialog to work properly
This commit is contained in:
Tim Mayberry 2015-07-29 13:28:17 +10:00
parent 6a0e46352c
commit fe50d06876
4 changed files with 27 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

14
libs/backends/portaudio/portaudio_backend.cc
View file

@ -128,10 +128,22 @@ PortAudioBackend::enumerate_drivers () const
int
PortAudioBackend::set_driver (const std::string& name)
{
_pcmio->set_host_api (name);
DEBUG_AUDIO (string_compose ("Portaudio: set_driver %1 \n", name));
if (!_pcmio->set_host_api (name)) {
DEBUG_AUDIO (string_compose ("Portaudio: Unable to set_driver %1 \n", name));
return -1;
}
return 0;
}
std::string
PortAudioBackend::driver_name () const
{
std::string driver_name = _pcmio->get_host_api ();
DEBUG_AUDIO (string_compose ("Portaudio: driver_name %1 \n", driver_name));
return driver_name;
}
bool
PortAudioBackend::use_separate_input_and_output_devices () const
{

1
libs/backends/portaudio/portaudio_backend.h
View file

@ -163,6 +163,7 @@ class PortAudioBackend : public AudioBackend {
bool is_realtime () const;
bool requires_driver_selection() const;
std::string driver_name () const;
std::vector<std::string> enumerate_drivers () const;
int set_driver (const std::string&);

13
libs/backends/portaudio/portaudio_io.cc
View file

@ -44,6 +44,7 @@ PortAudioIO::PortAudioIO ()
, _cur_sample_rate (0)
, _cur_input_latency (0)
, _cur_output_latency (0)
, _host_api_index(-1)
{
}
@ -180,14 +181,18 @@ PortAudioIO::host_api_list (std::vector<std::string>& api_list)
}
}
void
bool
PortAudioIO::set_host_api (const std::string& host_api_name)
{
_host_api_index = get_host_api_index_from_name (host_api_name);
PaHostApiIndex new_index = get_host_api_index_from_name (host_api_name);
if (_host_api_index < 0) {
DEBUG_AUDIO ("Error setting host API\n");
if (new_index < 0) {
DEBUG_AUDIO ("Portaudio: Error setting host API\n");
return false;
}
_host_api_index = new_index;
_host_api_name = host_api_name;
return true;
}
PaHostApiIndex

6
libs/backends/portaudio/portaudio_io.h
View file

@ -39,8 +39,9 @@ public:
bool initialize_pa ();
void host_api_list (std::vector<std::string>&);
void set_host_api (const std::string& host_api_name);
void host_api_list (std::vector<std::string>&);
bool set_host_api (const std::string& host_api_name);
std::string get_host_api () const { return _host_api_name; }
PaHostApiIndex get_host_api_index_from_name (const std::string& name);
PaDeviceIndex get_default_input_device ();
@ -114,6 +115,7 @@ private: // Data
std::map<int, paDevice *> _output_devices;
PaHostApiIndex _host_api_index;
std::string _host_api_name;
};