move to new cspot

components/spotify/cspot/bell/main/audio-dsp/AudioPipeline.cpp

@@ -0,0 +1,47 @@
+#include "AudioPipeline.h"
+#include <iostream>
+#include "BellLogger.h"
+
+using namespace bell;
+
+AudioPipeline::AudioPipeline() {
+    // this->headroomGainTransform = std::make_shared<Gain>(Channels::LEFT_RIGHT);
+    // this->transforms.push_back(this->headroomGainTransform);
+};
+
+void AudioPipeline::addTransform(std::shared_ptr<AudioTransform> transform) {
+    transforms.push_back(transform);
+    recalculateHeadroom();
+}
+
+void AudioPipeline::recalculateHeadroom() {
+    float headroom = 0.0f;
+
+    // Find largest headroom required by any transform down the chain, and apply it
+    for (auto transform : transforms) {
+        if (headroom < transform->calculateHeadroom()) {
+            headroom = transform->calculateHeadroom();
+        }
+    }
+
+    // headroomGainTransform->configure(-headroom);
+}
+
+void AudioPipeline::volumeUpdated(int volume) {
+    BELL_LOG(debug, "AudioPipeline", "Requested");
+    std::scoped_lock lock(this->accessMutex);
+    for (auto transform : transforms) {
+        transform->config->currentVolume = volume;
+        transform->reconfigure();
+    }
+    BELL_LOG(debug, "AudioPipeline", "Volume applied, DSP reconfigured");
+}
+
+std::unique_ptr<StreamInfo> AudioPipeline::process(std::unique_ptr<StreamInfo> data) {
+    std::scoped_lock lock(this->accessMutex);
+    for (auto &transform : transforms) {
+        data = transform->process(std::move(data));
+    }
+
+    return data;
+}