tinyalsa::pcm pcm; auto open_result = pcm.open_capture_device(); if (open_result.failed()) { std::cerr << open_result << std::endl; return; } std::cout << pcm.get_info();

// This is a 16-bit integer stereo buffer. unsigned short int frames[1024]; unsigned int frame_count = 2; // Error checking omitted for brevity. tinyalsa::interleaved_pcm_reader pcm_reader; pcm_reader.open(); // Choose the device to open. pcm_reader.setup(); // Apply hardware parameters pcm_reader.prepare(); // Prepare the PCM to be started pcm_reader.start(); // Begin recording pcm_reader.read_unformatted(frames, frame_count); // Read recorded data