Scale number of output samples based on input/output sample rates.

src/pipeline/ExternVocoderStep.cpp

@@ -108,7 +108,7 @@ std::shared_ptr<short> ExternVocoderStep::execute(std::shared_ptr<short> inputSa
 
     // Read and return output samples from thread.
     *numOutputSamples = codec2_fifo_used(outputSampleFifo_);
-    *numOutputSamples = std::min(*numOutputSamples, MAX_OUTPUT_SAMPLES);
+    *numOutputSamples = std::min(*numOutputSamples, numInputSamples * getOutputSampleRate() / getInputSampleRate());
     if (*numOutputSamples > 0)
     {
         outputSamples = new short[*numOutputSamples];