1 files changed, 143 insertions, 0 deletions
diff --git a/media/libstagefright/include/SimpleSoftOMXComponent.h b/media/libstagefright/include/SimpleSoftOMXComponent.h
new file mode 100644
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--- /dev/null
+++ b/media/libstagefright/include/SimpleSoftOMXComponent.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2011 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 SIMPLE_SOFT_OMX_COMPONENT_H_
+
+#define SIMPLE_SOFT_OMX_COMPONENT_H_
+
+#include "SoftOMXComponent.h"
+
+#include <media/stagefright/foundation/AHandlerReflector.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+#include <utils/Vector.h>
+
+namespace android {
+
+struct ALooper;
+
+struct SimpleSoftOMXComponent : public SoftOMXComponent {
+    SimpleSoftOMXComponent(
+            const char *name,
+            const OMX_CALLBACKTYPE *callbacks,
+            OMX_PTR appData,
+            OMX_COMPONENTTYPE **component);
+
+    virtual ~SimpleSoftOMXComponent();
+
+    void onMessageReceived(const sp<AMessage> &msg);
+
+protected:
+    struct BufferInfo {
+        OMX_BUFFERHEADERTYPE *mHeader;
+        bool mOwnedByUs;
+    };
+
+    struct PortInfo {
+        OMX_PARAM_PORTDEFINITIONTYPE mDef;
+        Vector<BufferInfo> mBuffers;
+        List<BufferInfo *> mQueue;
+
+        enum {
+            NONE,
+            DISABLING,
+            ENABLING,
+        } mTransition;
+    };
+
+    void addPort(const OMX_PARAM_PORTDEFINITIONTYPE &def);
+
+    virtual OMX_ERRORTYPE internalGetParameter(
+            OMX_INDEXTYPE index, OMX_PTR params);
+
+    virtual OMX_ERRORTYPE internalSetParameter(
+            OMX_INDEXTYPE index, const OMX_PTR params);
+
+    virtual void onQueueFilled(OMX_U32 portIndex);
+    List<BufferInfo *> &getPortQueue(OMX_U32 portIndex);
+
+    virtual void onPortFlushCompleted(OMX_U32 portIndex);
+    virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
+
+    PortInfo *editPortInfo(OMX_U32 portIndex);
+
+private:
+    enum {
+        kWhatSendCommand,
+        kWhatEmptyThisBuffer,
+        kWhatFillThisBuffer,
+    };
+
+    Mutex mLock;
+
+    sp<ALooper> mLooper;
+    sp<AHandlerReflector<SimpleSoftOMXComponent> > mHandler;
+
+    OMX_STATETYPE mState;
+    OMX_STATETYPE mTargetState;
+
+    Vector<PortInfo> mPorts;
+
+    bool isSetParameterAllowed(
+            OMX_INDEXTYPE index, const OMX_PTR params) const;
+
+    virtual OMX_ERRORTYPE sendCommand(
+            OMX_COMMANDTYPE cmd, OMX_U32 param, OMX_PTR data);
+
+    virtual OMX_ERRORTYPE getParameter(
+            OMX_INDEXTYPE index, OMX_PTR params);
+
+    virtual OMX_ERRORTYPE setParameter(
+            OMX_INDEXTYPE index, const OMX_PTR params);
+
+    virtual OMX_ERRORTYPE useBuffer(
+            OMX_BUFFERHEADERTYPE **buffer,
+            OMX_U32 portIndex,
+            OMX_PTR appPrivate,
+            OMX_U32 size,
+            OMX_U8 *ptr);
+
+    virtual OMX_ERRORTYPE allocateBuffer(
+            OMX_BUFFERHEADERTYPE **buffer,
+            OMX_U32 portIndex,
+            OMX_PTR appPrivate,
+            OMX_U32 size);
+
+    virtual OMX_ERRORTYPE freeBuffer(
+            OMX_U32 portIndex,
+            OMX_BUFFERHEADERTYPE *buffer);
+
+    virtual OMX_ERRORTYPE emptyThisBuffer(
+            OMX_BUFFERHEADERTYPE *buffer);
+
+    virtual OMX_ERRORTYPE fillThisBuffer(
+            OMX_BUFFERHEADERTYPE *buffer);
+
+    virtual OMX_ERRORTYPE getState(OMX_STATETYPE *state);
+
+    void onSendCommand(OMX_COMMANDTYPE cmd, OMX_U32 param);
+    void onChangeState(OMX_STATETYPE state);
+    void onPortEnable(OMX_U32 portIndex, bool enable);
+    void onPortFlush(OMX_U32 portIndex, bool sendFlushComplete);
+
+    void checkTransitions();
+
+    DISALLOW_EVIL_CONSTRUCTORS(SimpleSoftOMXComponent);
+};
+
+}  // namespace android
+
+#endif  // SIMPLE_SOFT_OMX_COMPONENT_H_