1 files changed, 104 insertions, 0 deletions
diff --git a/host/frontend/gcastv2/libsource/include/source/StreamingSource.h b/host/frontend/gcastv2/libsource/include/source/StreamingSource.h
new file mode 100644
index 000000000..27a30a4d8
--- /dev/null
+++ b/host/frontend/gcastv2/libsource/include/source/StreamingSource.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2018, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android-base/logging.h>
+
+#include <cinttypes>
+#include <memory>
+#include <vector>
+
+namespace android {
+
+class SBuffer {
+public:
+    SBuffer() = delete;
+    SBuffer(const SBuffer&) = delete;
+    SBuffer(SBuffer&&) = default;
+    explicit SBuffer(std::size_t size)
+        : buffer_(size, 0), time_us_(0) {}
+    
+    SBuffer& operator=(const SBuffer&) = delete;
+    SBuffer& operator=(SBuffer&&) = default;
+
+    std::size_t capacity() const {
+        return buffer_.capacity();
+    }
+
+    std::size_t size() const {
+        return buffer_.size();
+    }
+
+    void resize(std::size_t size) {
+        buffer_.resize(size);
+    }
+
+    uint8_t* data() {
+        return buffer_.data();
+    }
+    
+    const uint8_t* data() const {
+        return buffer_.data();
+    }
+
+    int64_t time_us() const {
+        return time_us_;
+    }
+
+    void time_us(int64_t time_us) {
+        time_us_ = time_us;
+    }
+private:
+    std::vector<uint8_t> buffer_;
+    int64_t time_us_;
+
+};
+
+struct StreamingSource {
+    explicit StreamingSource();
+
+    StreamingSource(const StreamingSource &) = delete;
+    StreamingSource &operator=(const StreamingSource &) = delete;
+
+    virtual ~StreamingSource() = default;
+
+    virtual int32_t initCheck() const = 0;
+
+    void setCallback(std::function<void(const std::shared_ptr<SBuffer> &)> cb);
+
+    virtual int32_t start() = 0;
+    virtual int32_t stop() = 0;
+
+    virtual bool canPause() { return false; }
+    virtual int32_t pause() { return -EINVAL; }
+    virtual int32_t resume() { return -EINVAL; }
+
+    virtual bool paused() const { return false; }
+
+    virtual int32_t requestIDRFrame() = 0;
+    virtual void notifyNewStreamConsumer() = 0;
+    virtual void notifyStreamConsumerDisconnected() = 0;
+
+protected:
+    void onAccessUnit(const std::shared_ptr<SBuffer> &accessUnit);
+
+private:
+    std::function<void(const std::shared_ptr<SBuffer> &)> mCallbackFn;
+};
+
+}  // namespace android
+