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Searched refs:oscillator (Results 1 – 2 of 2) sorted by relevance

/device/generic/car/emulator/audio/driver/
Daudio_hw.h83 struct oscillator { struct
114 struct oscillator oscillator; // Protected by this->lock member
Daudio_hw.c940 static int pseudo_pcm_read(void *data, unsigned int count, struct oscillator *oscillator) { in pseudo_pcm_read() argument
944 sdata[index] = (int16_t)(sin(oscillator->phase) * 4096); in pseudo_pcm_read()
945 oscillator->phase += oscillator->phase_increment; in pseudo_pcm_read()
946 oscillator->phase = oscillator->phase > TWO_PI ? in pseudo_pcm_read()
947 oscillator->phase - TWO_PI : oscillator->phase; in pseudo_pcm_read()
1108 int read_bytes = pseudo_pcm_read(buffer, bytes, &in->oscillator); in in_read()
1502 in->oscillator.phase = 0.0f; in adev_open_input_stream()
1503 in->oscillator.phase_increment = (TWO_PI*(frequency)) in adev_open_input_stream()