Update web audio impl

1 files changed, 15 insertions, 0 deletions

diff --git a/index.htm b/index.htm
index 830ebed..e2e9d55 100644
--- a/index.htm
+++ b/index.htm
@@ -18,6 +18,14 @@
           }
           process(input, output, parameters) {
             //  TODO
+
+            let sample_rate    = sampleRate;
+            let num_channels   = output[0].length;
+            let num_samples    = output[0][0].length;
+            let max_num_frames = this.state.max_num_frames;
+
+            let position = this.state.program.instance.exports.js_sound_playback(num_samples);
+
             return true;
           }
         }
@@ -159,7 +167,9 @@
         let sound_node;
 
         let sound_state = {
+          program        : null,
           memory         : null,
+          max_num_frames : 0,
           buffer_address : 0,
         };
 
@@ -181,6 +191,11 @@
 
           await sound_context.audioWorklet.addModule(URL.createObjectURL(blob));
 
+          sound_state.program        = program;
+          sound_state.memory         = memory;
+          sound_state.max_num_frames = program.instance.exports.js_max_num_audio_frames();
+          sound_state.buffer_address = program.instance.exports.js_sound_buffer();
+
           sound_node = new AudioWorkletNode(
             sound_context,
             "Sound_Ring",