Initial support for a true streaming player for mpeg2 transport streams.

Change-Id: I153eec439d260a5524b21270e16d36940ec3161a

1 files changed, 81 insertions, 0 deletions

diff --git a/media/libmediaplayerservice/nuplayer/DecoderWrapper.h b/media/libmediaplayerservice/nuplayer/DecoderWrapper.h
new file mode 100644
index 0000000..883b356
--- /dev/null
+++ b/media/libmediaplayerservice/nuplayer/DecoderWrapper.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2010 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 DECODER_WRAPPER_H_
+
+#define DECODER_WRAPPER_H_
+
+#include <media/stagefright/foundation/AHandler.h>
+
+namespace android {
+
+struct MediaSource;
+
+struct DecoderWrapper : public AHandler {
+    DecoderWrapper();
+
+    void setNotificationMessage(const sp<AMessage> &msg);
+    void initiateSetup(const sp<AMessage> &msg);
+    void initiateShutdown();
+    void signalFlush();
+    void signalResume();
+
+protected:
+    virtual ~DecoderWrapper();
+
+    virtual void onMessageReceived(const sp<AMessage> &msg);
+
+private:
+    struct WrapperSource;
+    struct WrapperReader;
+
+    enum {
+        kWhatSetup,
+        kWhatInputBufferFilled,
+        kWhatOutputBufferDrained,
+        kWhatShutdown,
+        kWhatFillBufferDone,
+        kWhatInputDataRequested,
+        kWhatFlush,
+        kWhatResume,
+    };
+
+    sp<AMessage> mNotify;
+
+    sp<WrapperSource> mSource;
+
+    sp<ALooper> mReaderLooper;
+    sp<WrapperReader> mReader;
+
+    int32_t mNumOutstandingInputBuffers;
+    int32_t mNumOutstandingOutputBuffers;
+    int32_t mNumPendingDecodes;
+    bool mFlushing;
+
+    void onSetup(const sp<AMessage> &msg);
+    void onFlush();
+    void onResume();
+
+    void postFillBuffer();
+    void completeFlushIfPossible();
+
+    DISALLOW_EVIL_CONSTRUCTORS(DecoderWrapper);
+};
+
+}  // namespace android
+
+#endif  // DECODER_WRAPPER_H_
+