1 files changed, 88 insertions, 0 deletions
diff --git a/include/media/stagefright/CodecBase.h b/include/media/stagefright/CodecBase.h
new file mode 100644
index 0000000..1bf27a6
--- /dev/null
+++ b/include/media/stagefright/CodecBase.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2014 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 CODEC_BASE_H_
+
+#define CODEC_BASE_H_
+
+#include <stdint.h>
+#include <media/IOMX.h>
+
+#include <media/stagefright/foundation/AHandler.h>
+
+namespace android {
+
+struct ABuffer;
+
+struct CodecBase : public AHandler {
+    enum {
+        kWhatFillThisBuffer      = 'fill',
+        kWhatDrainThisBuffer     = 'drai',
+        kWhatEOS                 = 'eos ',
+        kWhatShutdownCompleted   = 'scom',
+        kWhatFlushCompleted      = 'fcom',
+        kWhatOutputFormatChanged = 'outC',
+        kWhatError               = 'erro',
+        kWhatComponentAllocated  = 'cAll',
+        kWhatComponentConfigured = 'cCon',
+        kWhatInputSurfaceCreated = 'isfc',
+        kWhatSignaledInputEOS    = 'seos',
+        kWhatBuffersAllocated    = 'allc',
+    };
+
+    virtual void setNotificationMessage(const sp<AMessage> &msg) = 0;
+
+    virtual void initiateAllocateComponent(const sp<AMessage> &msg) = 0;
+    virtual void initiateConfigureComponent(const sp<AMessage> &msg) = 0;
+    virtual void initiateCreateInputSurface() = 0;
+    virtual void initiateStart() = 0;
+    virtual void initiateShutdown(bool keepComponentAllocated = false) = 0;
+
+    // require an explicit message handler
+    virtual void onMessageReceived(const sp<AMessage> &msg) = 0;
+
+    virtual void signalFlush() = 0;
+    virtual void signalResume() = 0;
+
+    virtual void signalRequestIDRFrame() = 0;
+    virtual void signalSetParameters(const sp<AMessage> &msg) = 0;
+    virtual void signalEndOfInputStream() = 0;
+
+    struct PortDescription : public RefBase {
+        virtual size_t countBuffers() = 0;
+        virtual IOMX::buffer_id bufferIDAt(size_t index) const = 0;
+        virtual sp<ABuffer> bufferAt(size_t index) const = 0;
+
+    protected:
+        PortDescription();
+        virtual ~PortDescription();
+
+    private:
+        DISALLOW_EVIL_CONSTRUCTORS(PortDescription);
+    };
+
+protected:
+    CodecBase();
+    virtual ~CodecBase();
+
+private:
+    DISALLOW_EVIL_CONSTRUCTORS(CodecBase);
+};
+
+}  // namespace android
+
+#endif  // CODEC_BASE_H_
+