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fix coreaudio half-duplex buffersize query

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This commit is contained in:
Robin Gareus 2015-08-11 04:43:07 +02:00
parent 5e5db3c402
commit e8b2d7a85b
1 changed files with 19 additions and 3 deletions
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22
libs/backends/coreaudio/coreaudio_backend.cc
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@ -237,11 +237,27 @@ CoreAudioBackend::available_sample_rates (const std::string&) const
}
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