Move Codec2-related code from hardware/google/av

Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/components/g711/C2SoftG711Dec.h b/media/codec2/components/g711/C2SoftG711Dec.h
new file mode 100644
index 0000000..23e8ffc
--- /dev/null
+++ b/media/codec2/components/g711/C2SoftG711Dec.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef ANDROID_C2_SOFT_G711_DEC_H_
+#define ANDROID_C2_SOFT_G711_DEC_H_
+
+#include <SimpleC2Component.h>
+
+
+namespace android {
+
+struct C2SoftG711Dec : public SimpleC2Component {
+    class IntfImpl;
+
+    C2SoftG711Dec(const char *name, c2_node_id_t id,
+               const std::shared_ptr<IntfImpl> &intfImpl);
+    virtual ~C2SoftG711Dec();
+
+    // From SimpleC2Component
+    c2_status_t onInit() override;
+    c2_status_t onStop() override;
+    void onReset() override;
+    void onRelease() override;
+    c2_status_t onFlush_sm() override;
+    void process(
+            const std::unique_ptr<C2Work> &work,
+            const std::shared_ptr<C2BlockPool> &pool) override;
+    c2_status_t drain(
+            uint32_t drainMode,
+            const std::shared_ptr<C2BlockPool> &pool) override;
+private:
+    std::shared_ptr<IntfImpl> mIntf;
+    bool mSignalledOutputEos;
+
+#ifdef ALAW
+    void DecodeALaw(int16_t *out, const uint8_t *in, size_t inSize);
+#else
+    void DecodeMLaw(int16_t *out, const uint8_t *in, size_t inSize);
+#endif
+
+    C2_DO_NOT_COPY(C2SoftG711Dec);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_C2_SOFT_G711_DEC_H_