Split out the test changes from emscripten-core#23508

This mostly adds an Audio Worklet parameter test, but also tidies a little the related tests and shared code.

Author: cwoffenden

test/test_interactive.py

@@ -334,10 +334,32 @@ def test_audio_worklet_2x_hard_pan_io(self):
     shutil.copy(test_file('webaudio/audio_files/emscripten-bass-mono.mp3'), 'audio_files/')
     self.btest_exit('webaudio/audioworklet_2x_in_hard_pan.c', args=['-sAUDIO_WORKLET', '-sWASM_WORKERS'])
 
+  # Tests an AudioWorklet with multiple stereo inputs mixing in the processor via a parameter to a single stereo output (6kB stack)
+  def test_audio_worklet_params_mixing(self):
+    os.mkdir('audio_files')
+    shutil.copy(test_file('webaudio/audio_files/emscripten-beat.mp3'), 'audio_files/')
+    shutil.copy(test_file('webaudio/audio_files/emscripten-bass.mp3'), 'audio_files/')
+    self.btest_exit('webaudio/audioworklet_params_mixing.c', args=['-sAUDIO_WORKLET', '-sWASM_WORKERS'])
+
 
 class interactive64(interactive):
   def setUp(self):
     super().setUp()
     self.set_setting('MEMORY64')
-    self.emcc_args.append('-Wno-experimental')
     self.require_wasm64()
+
+
+class interactive64_4gb(interactive):
+  def setUp(self):
+    super().setUp()
+    self.set_setting('MEMORY64')
+    self.set_setting('INITIAL_MEMORY', '4200mb')
+    self.set_setting('GLOBAL_BASE', '4gb')
+    self.require_wasm64()
+
+
+class interactive_2gb(interactive):
+  def setUp(self):
+    super().setUp()
+    self.set_setting('INITIAL_MEMORY', '2200mb')
+    self.set_setting('GLOBAL_BASE', '2gb')

test/webaudio/audioworklet_2x_in_hard_pan.c

@@ -15,25 +15,37 @@
 #include "audioworklet_test_shared.inc"
 
 // Callback to process and copy the audio tracks
-bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, AudioSampleFrame* outputs, int numParams, const AudioParamFrame* params, void* data) {
+bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, AudioSampleFrame* outputs, int __unused numParams, const AudioParamFrame* __unused params, void* __unused data) {
   audioProcessedCount++;
 
-  // Twin mono in, single stereo out
+  // Twin mono in (or disabled), single stereo out
   assert(numInputs == 2 && numOutputs == 1);
-  assert(inputs[0].numberOfChannels == 1 && inputs[1].numberOfChannels == 1);
+  assert(inputs[0].numberOfChannels == 0 || inputs[0].numberOfChannels == 1);
+  assert(inputs[1].numberOfChannels == 0 || inputs[1].numberOfChannels == 1);
   assert(outputs[0].numberOfChannels == 2);
   // All with the same number of samples
   assert(inputs[0].samplesPerChannel == inputs[1].samplesPerChannel);
   assert(inputs[0].samplesPerChannel == outputs[0].samplesPerChannel);
-  // Now with all known quantities we can memcpy the data
-  int samplesPerChannel = inputs[0].samplesPerChannel;
-  memcpy(outputs[0].data, inputs[0].data, samplesPerChannel * sizeof(float));
-  memcpy(outputs[0].data + samplesPerChannel, inputs[1].data, samplesPerChannel * sizeof(float));
+  // Now with all known quantities we can memcpy the L&R data (or zero it if the
+  // channels are disabled)
+  int bytesPerChannel = outputs[0].samplesPerChannel * sizeof(float);
+  float* outputData = outputs[0].data;
+  if (inputs[0].numberOfChannels > 0) {
+    memcpy(outputData, inputs[0].data, bytesPerChannel);
+  } else {
+    memset(outputData, 0, bytesPerChannel);
+  }
+  outputData += outputs[0].samplesPerChannel;
+  if (inputs[1].numberOfChannels > 0) {
+    memcpy(outputData, inputs[1].data, bytesPerChannel);
+  } else {
+    memset(outputData, 0, bytesPerChannel);
+  }
   return true;
 }
 
 // Audio processor created, now register the audio callback
-void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* data) {
+void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* __unused data) {
   if (!success) {
     printf("Audio worklet node creation failed\n");
     return;
@@ -68,3 +80,8 @@ void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* data) {
   // Register the counter that exits the test after one second of mixing
   emscripten_set_timeout_loop(&playedAndMixed, 16, NULL);
 }
+
+// This implementation has no custom start-up requirements
+EmscriptenStartWebAudioWorkletCallback getStartCallback(void) {
+  return &initialised;
+}

test/webaudio/audioworklet_2x_in_out_stereo.c

@@ -14,26 +14,37 @@
 #include "audioworklet_test_shared.inc"
 
 // Callback to process and copy the audio tracks
-bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, AudioSampleFrame* outputs, int numParams, const AudioParamFrame* params, void* data) {
+bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, AudioSampleFrame* outputs, int __unused numParams, const AudioParamFrame* __unused params, void* __unused data) {
   audioProcessedCount++;
 
   // Twin stereo in and out
   assert(numInputs == 2 && numOutputs == 2);
-  assert(inputs[0].numberOfChannels == 2 && inputs[1].numberOfChannels == 2);
-  assert(outputs[0].numberOfChannels == 2 && outputs[1].numberOfChannels == 2);
+  assert(inputs[0].numberOfChannels == 0 || inputs[0].numberOfChannels == 2);
+  assert(inputs[1].numberOfChannels == 0 || inputs[1].numberOfChannels == 2);
+  assert(outputs[0].numberOfChannels == 2);
+  assert(outputs[1].numberOfChannels == 2);
   // All with the same number of samples
   assert(inputs[0].samplesPerChannel == inputs[1].samplesPerChannel);
   assert(inputs[0].samplesPerChannel == outputs[0].samplesPerChannel);
   assert(outputs[0].samplesPerChannel == outputs[1].samplesPerChannel);
-  // Now with all known quantities we can memcpy the data
-  int totalSamples = outputs[0].samplesPerChannel * outputs[0].numberOfChannels;
-  memcpy(outputs[0].data, inputs[0].data, totalSamples * sizeof(float));
-  memcpy(outputs[1].data, inputs[1].data, totalSamples * sizeof(float));
+  // Now with all known quantities we can memcpy all the data (or zero it if the
+  // channels are disabled)
+  int totalBytes = outputs[0].samplesPerChannel * outputs[0].numberOfChannels * sizeof(float);
+  if (inputs[0].numberOfChannels > 0) {
+    memcpy(outputs[0].data, inputs[0].data, totalBytes);
+  } else {
+    memset(outputs[0].data, 0, totalBytes);
+  }
+  if (inputs[1].numberOfChannels > 0) {
+    memcpy(outputs[1].data, inputs[1].data, totalBytes);
+  } else {
+    memset(outputs[1].data, 0, totalBytes);
+  }
   return true;
 }
 
 // Audio processor created, now register the audio callback
-void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* data) {
+void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* __unused data) {
   if (!success) {
     printf("Audio worklet node creation failed\n");
     return;
@@ -70,3 +81,8 @@ void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* data) {
   // Register the counter that exits the test after one second of mixing
   emscripten_set_timeout_loop(&playedAndMixed, 16, NULL);
 }
+
+// This implementation has no custom start-up requirements
+EmscriptenStartWebAudioWorkletCallback getStartCallback(void) {
+  return &initialised;
+}

test/webaudio/audioworklet_in_out_mono.c

@@ -15,7 +15,7 @@
 #include "audioworklet_test_shared.inc"
 
 // Callback to process and mix the audio tracks
-bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, AudioSampleFrame* outputs, int numParams, const AudioParamFrame* params, void* data) {
+bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, AudioSampleFrame* outputs, int __unused numParams, const AudioParamFrame* __unused params, void* __unused data) {
   audioProcessedCount++;
 
   // Single mono output
@@ -29,11 +29,18 @@ bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, Audi
   // We can now do a quick mix since we know the layouts
   if (numInputs > 0) {
     int totalSamples = outputs[0].samplesPerChannel * outputs[0].numberOfChannels;
+    // Simple copy of the first input's audio data, checking that we have
+    // channels (since a muted input has zero channels).
     float* outputData = outputs[0].data;
-    memcpy(outputData, inputs[0].data, totalSamples * sizeof(float));
+    if (inputs[0].numberOfChannels > 0) {
+      memcpy(outputData, inputs[0].data, totalSamples * sizeof(float));
+    } else {
+      // And for muted we need to fill the buffer with zeroes otherwise it repeats the last frame
+      memset(outputData, 0, totalSamples * sizeof(float));
+    }
+    // Now add another inputs
     for (int n = 1; n < numInputs; n++) {
-      // It's possible to have an input with no channels
-      if (inputs[n].numberOfChannels == 1) {
+      if (inputs[n].numberOfChannels > 0) {
         float* inputData = inputs[n].data;
         for (int i = totalSamples - 1; i >= 0; i--) {
           outputData[i] += inputData[i];
@@ -45,7 +52,7 @@ bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, Audi
 }
 
 // Audio processor created, now register the audio callback
-void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* data) {
+void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* __unused data) {
   if (!success) {
     printf("Audio worklet node creation failed\n");
     return;
@@ -80,3 +87,9 @@ void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* data) {
   // Register the counter that exits the test after one second of mixing
   emscripten_set_timeout_loop(&playedAndMixed, 16, NULL);
 }
+
+// This implementation has no custom start-up requirements
+EmscriptenStartWebAudioWorkletCallback getStartCallback(void) {
+  return &initialised;
+}
+

test/webaudio/audioworklet_in_out_stereo.c

@@ -15,7 +15,7 @@
 #include "audioworklet_test_shared.inc"
 
 // Callback to process and mix the audio tracks
-bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, AudioSampleFrame* outputs, int numParams, const AudioParamFrame* params, void* data) {
+bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, AudioSampleFrame* outputs, int __unused numParams, const AudioParamFrame* __unused params, void* __unused data) {
   audioProcessedCount++;
 
   // Single stereo output
@@ -29,11 +29,18 @@ bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, Audi
   // We can now do a quick mix since we know the layouts
   if (numInputs > 0) {
     int totalSamples = outputs[0].samplesPerChannel * outputs[0].numberOfChannels;
+    // Simple copy of the first input's audio data, checking that we have
+    // channels (since a muted input has zero channels).
     float* outputData = outputs[0].data;
-    memcpy(outputData, inputs[0].data, totalSamples * sizeof(float));
+    if (inputs[0].numberOfChannels > 0) {
+      memcpy(outputData, inputs[0].data, totalSamples * sizeof(float));
+    } else {
+      // And for muted we need to fill the buffer with zeroes otherwise it repeats the last frame
+      memset(outputData, 0, totalSamples * sizeof(float));
+    }
+    // Now add another inputs
     for (int n = 1; n < numInputs; n++) {
-      // It's possible to have an input with no channels
-      if (inputs[n].numberOfChannels == 2) {
+      if (inputs[n].numberOfChannels > 0) {
         float* inputData = inputs[n].data;
         for (int i = totalSamples - 1; i >= 0; i--) {
           outputData[i] += inputData[i];
@@ -45,7 +52,7 @@ bool process(int numInputs, const AudioSampleFrame* inputs, int numOutputs, Audi
 }
 
 // Audio processor created, now register the audio callback
-void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* data) {
+void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* __unused data) {
   if (!success) {
     printf("Audio worklet node creation failed\n");
     return;
@@ -80,3 +87,8 @@ void processorCreated(EMSCRIPTEN_WEBAUDIO_T context, bool success, void* data) {
   // Register the counter that exits the test after one second of mixing
   emscripten_set_timeout_loop(&playedAndMixed, 16, NULL);
 }
+
+// This implementation has no custom start-up requirements
+EmscriptenStartWebAudioWorkletCallback getStartCallback(void) {
+  return &initialised;
+}