1 files changed, 80 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/mp3dec/SoftMP3.h b/media/libstagefright/codecs/mp3dec/SoftMP3.h
new file mode 100644
index 0000000..3a05466
--- /dev/null
+++ b/media/libstagefright/codecs/mp3dec/SoftMP3.h
@@ -0,0 +1,80 @@
+/*
+ * 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_MP3_H_
+
+#define SOFT_MP3_H_
+
+#include "SimpleSoftOMXComponent.h"
+
+struct tPVMP3DecoderExternal;
+
+namespace android {
+
+struct SoftMP3 : public SimpleSoftOMXComponent {
+    SoftMP3(const char *name,
+            const OMX_CALLBACKTYPE *callbacks,
+            OMX_PTR appData,
+            OMX_COMPONENTTYPE **component);
+
+protected:
+    virtual ~SoftMP3();
+
+    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);
+    virtual void onPortFlushCompleted(OMX_U32 portIndex);
+    virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
+
+private:
+    enum {
+        kNumBuffers = 4,
+        kOutputBufferSize = 4608 * 2,
+        kPVMP3DecoderDelay = 529 // frames
+    };
+
+    tPVMP3DecoderExternal *mConfig;
+    void *mDecoderBuf;
+    int64_t mAnchorTimeUs;
+    int64_t mNumFramesOutput;
+
+    int32_t mNumChannels;
+    int32_t mSamplingRate;
+
+    bool mIsFirst;
+    bool mSignalledError;
+
+    enum {
+        NONE,
+        AWAITING_DISABLED,
+        AWAITING_ENABLED
+    } mOutputPortSettingsChange;
+
+    void initPorts();
+    void initDecoder();
+
+    DISALLOW_EVIL_CONSTRUCTORS(SoftMP3);
+};
+
+}  // namespace android
+
+#endif  // SOFT_MP3_H_
+
+