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Refactor methods in PortaudioBackend to get ASIO buffer sizes

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This commit is contained in:
Tim Mayberry 2015-08-04 12:25:46 +10:00
parent 6ca1c8164f
commit 7295bb6454
2 changed files with 34 additions and 7 deletions
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35
libs/backends/portaudio/portaudio_io.cc
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@ -160,7 +160,11 @@ PortAudioIO::available_sample_rates(int device_id, std::vector<float>& sampleRat
#ifdef WITH_ASIO
bool
PortAudioIO::get_asio_buffer_sizes (int device_id, std::vector<uint32_t>& buffer_sizes)
PortAudioIO::get_asio_buffer_properties (int device_id,
long& min_size_frames,
long& max_size_frames,
long& preferred_size_frames,
long& granularity)
{
// we shouldn't really need all these checks but it shouldn't hurt
const PaDeviceInfo* device_info = Pa_GetDeviceInfo(device_id);
@ -185,20 +189,37 @@ PortAudioIO::get_asio_buffer_sizes (int device_id, std::vector<uint32_t>& buffer
return false;
}
long min_size, max_size, preferred_size, granularity;
PaError err = PaAsio_GetAvailableBufferSizes (
device_id, &min_size, &max_size, &preferred_size, &granularity);
PaError err = PaAsio_GetAvailableBufferSizes (device_id,
&min_size_frames,
&max_size_frames,
&preferred_size_frames,
&granularity);
if (err != paNoError) {
DEBUG_AUDIO (string_compose (
"Unable to determine available buffer sizes for device %1\n", device_id));
return false;
}
buffer_sizes.push_back(preferred_size);
return true;
}
bool
PortAudioIO::get_asio_buffer_sizes (int device_id, std::vector<uint32_t>& buffer_sizes)
{
long min_size_frames, max_size_frames, preferred_size_frames, granularity;
if (!get_asio_buffer_properties (device_id,
min_size_frames,
max_size_frames,
preferred_size_frames,
granularity)) {
DEBUG_AUDIO (string_compose (
"Unable to get device buffer properties from device index %1\n", device_id));
return false;
}
buffer_sizes.push_back(preferred_size_frames);
}
#endif
bool

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

@ -56,6 +56,12 @@ public:
bool get_default_buffer_sizes (int device_id, std::vector<uint32_t>& buffer_sizes);
#ifdef WITH_ASIO
bool get_asio_buffer_properties (int device_id,
long& min_size_frames,
long& max_size_frames,
long& preferred_size_frames,
long& granularity);
bool get_asio_buffer_sizes (int device_id, std::vector<uint32_t>& buffer_size);
#endif