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43 lines
1.6 KiB
43 lines
1.6 KiB
#include "input/common.h" |
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int write_to_fftw_input_buffers(int16_t buf[], int16_t frames, void *data) { |
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struct audio_data *audio = (struct audio_data *)data; |
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for (uint16_t i = 0; i < frames * 2; i += 2) { |
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if (audio->channels == 1) { |
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if (audio->average) { |
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audio->audio_out_bass_l[audio->bass_index] = (buf[i] + buf[i + 1]) / 2; |
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} |
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if (audio->left) { |
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audio->audio_out_bass_l[audio->bass_index] = buf[i]; |
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} |
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if (audio->right) { |
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audio->audio_out_bass_l[audio->bass_index] = buf[i + 1]; |
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} |
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} |
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// stereo storing channels in buffer |
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if (audio->channels == 2) { |
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audio->audio_out_bass_l[audio->bass_index] = buf[i]; |
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audio->audio_out_bass_r[audio->bass_index] = buf[i + 1]; |
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audio->audio_out_mid_r[audio->mid_index] = audio->audio_out_bass_r[audio->bass_index]; |
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audio->audio_out_treble_r[audio->treble_index] = |
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audio->audio_out_bass_r[audio->bass_index]; |
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} |
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audio->audio_out_mid_l[audio->mid_index] = audio->audio_out_bass_l[audio->bass_index]; |
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audio->audio_out_treble_l[audio->treble_index] = audio->audio_out_bass_l[audio->bass_index]; |
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audio->bass_index++; |
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audio->mid_index++; |
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audio->treble_index++; |
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if (audio->bass_index == audio->FFTbassbufferSize - 1) |
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audio->bass_index = 0; |
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if (audio->mid_index == audio->FFTmidbufferSize - 1) |
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audio->mid_index = 0; |
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if (audio->treble_index == audio->FFTtreblebufferSize - 1) |
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audio->treble_index = 0; |
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} |
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return 0; |
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}
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