| 19 | } |
| 20 | |
| 21 | void STFT::process(juce::AudioBuffer<float> &block) |
| 22 | { |
| 23 | num_samples = block.getNumSamples(); |
| 24 | |
| 25 | for (int channel = 0; channel < num_channels; ++channel) { |
| 26 | float *channel_data = block.getWritePointer(channel); |
| 27 | |
| 28 | current_input_buffer_write_position = input_buffer_write_position; |
| 29 | current_output_buffer_write_position = output_buffer_write_position; |
| 30 | current_output_buffer_read_position = output_buffer_read_position; |
| 31 | current_samples_since_last_FFT = samples_since_last_FFT; |
| 32 | |
| 33 | for (int sample = 0; sample < num_samples; ++sample) { |
| 34 | const float input_sample = channel_data[sample]; |
| 35 | |
| 36 | input_buffer.setSample(channel, current_input_buffer_write_position, input_sample); |
| 37 | if (++current_input_buffer_write_position >= input_buffer_length) |
| 38 | current_input_buffer_write_position = 0; |
| 39 | // diff |
| 40 | channel_data[sample] = output_buffer.getSample(channel, current_output_buffer_read_position); |
| 41 | |
| 42 | output_buffer.setSample(channel, current_output_buffer_read_position, 0.0f); |
| 43 | if (++current_output_buffer_read_position >= output_buffer_length) |
| 44 | current_output_buffer_read_position = 0; |
| 45 | |
| 46 | if (++current_samples_since_last_FFT >= hop_size) { |
| 47 | current_samples_since_last_FFT = 0; |
| 48 | analysis(channel); |
| 49 | modification(channel); |
| 50 | synthesis(channel); |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | input_buffer_write_position = current_input_buffer_write_position; |
| 56 | output_buffer_write_position = current_output_buffer_write_position; |
| 57 | output_buffer_read_position = current_output_buffer_read_position; |
| 58 | samples_since_last_FFT = current_samples_since_last_FFT; |
| 59 | } |
| 60 | |
| 61 | |
| 62 | void STFT::updateFftSize(const int new_fft_size) |