1 files changed, 63 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/g711/dec/SoftG711.h b/media/libstagefright/codecs/g711/dec/SoftG711.h
new file mode 100644
index 0000000..bff0c68
--- /dev/null
+++ b/media/libstagefright/codecs/g711/dec/SoftG711.h
@@ -0,0 +1,63 @@
+/*
+ * 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 SOFT_G711_H_
+
+#define SOFT_G711_H_
+
+#include "SimpleSoftOMXComponent.h"
+
+namespace android {
+
+struct SoftG711 : public SimpleSoftOMXComponent {
+    SoftG711(const char *name,
+            const OMX_CALLBACKTYPE *callbacks,
+            OMX_PTR appData,
+            OMX_COMPONENTTYPE **component);
+
+protected:
+    virtual ~SoftG711();
+
+    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);
+
+private:
+    enum {
+        kNumBuffers = 4,
+        kMaxNumSamplesPerFrame = 16384,
+    };
+
+    bool mIsMLaw;
+    OMX_U32 mNumChannels;
+    bool mSignalledError;
+
+    void initPorts();
+
+    static void DecodeALaw(int16_t *out, const uint8_t *in, size_t inSize);
+    static void DecodeMLaw(int16_t *out, const uint8_t *in, size_t inSize);
+
+    DISALLOW_EVIL_CONSTRUCTORS(SoftG711);
+};
+
+}  // namespace android
+
+#endif  // SOFT_G711_H_
+