}
std::vector<uint32_t>
-CoreAudioBackend::available_buffer_sizes (const std::string& device) const
+CoreAudioBackend::available_buffer_sizes (const std::string&) const
{
std::vector<uint32_t> bs;
- _pcmio->available_buffer_sizes(name_to_id(device), bs);
- return bs;
+ std::vector<uint32_t> bs_in;
+ std::vector<uint32_t> bs_out;
+ const uint32_t inp = name_to_id(_input_audio_device);
+ const uint32_t out = name_to_id(_output_audio_device);
+ if (inp == UINT32_MAX && out == UINT32_MAX) {
+ return bs;
+ } else if (inp == UINT32_MAX) {
+ _pcmio->available_buffer_sizes(out, bs_out);
+ return bs_out;
+ } else if (out == UINT32_MAX) {
+ _pcmio->available_buffer_sizes(out, bs_in);
+ return bs_in;
+ } else {
+ _pcmio->available_buffer_sizes(inp, bs_in);
+ _pcmio->available_buffer_sizes(out, bs_out);
+ std::set_intersection(bs_in.begin(), bs_in.end(), bs_out.begin(), bs_out.end(), std::back_inserter(bs));
+ return bs;
+ }
}
uint32_t