| 41 | } |
| 42 | |
| 43 | int Resampler::processBlock(const float* inBuffer, float* outBuffer, int inNumSamples) |
| 44 | { |
| 45 | jassert(mNumInputSamplesAvailable + inNumSamples <= mInternalBuffer.getNumSamples()); |
| 46 | |
| 47 | mInternalBuffer.copyFrom(0, mNumInputSamplesAvailable, inBuffer, inNumSamples); |
| 48 | float* internal_buffer_ptr = mInternalBuffer.getWritePointer(0); |
| 49 | |
| 50 | // Lowpass filter if necessary |
| 51 | if (mTargetSampleRate < mSourceSampleRate) { |
| 52 | for (int i = 0; i < inNumSamples; i++) { |
| 53 | for (auto& lowpass_filter: mLowpassFilters) { |
| 54 | internal_buffer_ptr[mNumInputSamplesAvailable + i] = |
| 55 | lowpass_filter.processSample(internal_buffer_ptr[mNumInputSamplesAvailable + i]); |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | mNumInputSamplesAvailable += inNumSamples; |
| 61 | |
| 62 | int num_out_samples_to_produce = static_cast<int>(std::floor(mNumInputSamplesAvailable / mSpeedRatio)); |
| 63 | |
| 64 | int num_input_samples_used = |
| 65 | mInterpolator.process(mSpeedRatio, mInternalBuffer.getReadPointer(0), outBuffer, num_out_samples_to_produce); |
| 66 | |
| 67 | jassert(num_input_samples_used <= mNumInputSamplesAvailable); |
| 68 | |
| 69 | mNumInputSamplesAvailable -= num_input_samples_used; |
| 70 | |
| 71 | for (int i = 0; i < mNumInputSamplesAvailable; i++) { |
| 72 | mInternalBuffer.setSample(0, i, mInternalBuffer.getSample(0, i + num_input_samples_used)); |
| 73 | } |
| 74 | |
| 75 | return num_out_samples_to_produce; |
| 76 | } |
| 77 | |
| 78 | int Resampler::getNumOutSamplesOnNextProcessBlock(int inNumSamples) const |
| 79 | { |
no test coverage detected