1 files changed, 107 insertions, 0 deletions
diff --git a/media/libaah_rtp/aah_decoder_pump.h b/media/libaah_rtp/aah_decoder_pump.h
new file mode 100644
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+++ b/media/libaah_rtp/aah_decoder_pump.h
@@ -0,0 +1,107 @@
+/*
+ * 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 __DECODER_PUMP_H__
+#define __DECODER_PUMP_H__
+
+#include <pthread.h>
+
+#include <common_time/cc_helper.h>
+#include <media/stagefright/MediaSource.h>
+#include <utils/LinearTransform.h>
+#include <utils/List.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class MetaData;
+class OMXClient;
+class TimedAudioTrack;
+
+class AAH_DecoderPump : public MediaSource {
+  public:
+    explicit AAH_DecoderPump(OMXClient& omx);
+    status_t initCheck();
+
+    status_t queueForDecode(MediaBuffer* buf);
+
+    status_t init(const sp<MetaData>& params);
+    status_t shutdown();
+
+    void setRenderTSTransform(const LinearTransform& trans);
+    void setRenderVolume(uint8_t volume);
+    bool isAboutToUnderflow(int64_t threshold);
+    bool getStatus() const { return thread_status_; }
+
+    // MediaSource methods
+    virtual status_t     start(MetaData *params) { return OK; }
+    virtual sp<MetaData> getFormat() { return format_; }
+    virtual status_t     stop() { return OK; }
+    virtual status_t     read(MediaBuffer **buffer,
+                              const ReadOptions *options);
+
+  protected:
+    virtual ~AAH_DecoderPump();
+
+  private:
+    class ThreadWrapper : public Thread {
+      public:
+        friend class AAH_DecoderPump;
+        explicit ThreadWrapper(AAH_DecoderPump* owner);
+
+      private:
+        virtual bool threadLoop();
+        AAH_DecoderPump* owner_;
+
+        DISALLOW_EVIL_CONSTRUCTORS(ThreadWrapper);
+    };
+
+    void* workThread();
+    virtual status_t shutdown_l();
+    void queueToRenderer(MediaBuffer* decoded_sample);
+    void stopAndCleanupRenderer();
+
+    sp<MetaData>        format_;
+    int32_t             format_channels_;   // channel count, not channel mask
+    int32_t             format_sample_rate_;
+
+    sp<MediaSource>     decoder_;
+    OMXClient&          omx_;
+    Mutex               init_lock_;
+
+    sp<ThreadWrapper>   thread_;
+    Condition           thread_cond_;
+    Mutex               thread_lock_;
+    status_t            thread_status_;
+
+    Mutex               render_lock_;
+    TimedAudioTrack*    renderer_;
+    bool                last_queued_pts_valid_;
+    int64_t             last_queued_pts_;
+    bool                last_ts_transform_valid_;
+    LinearTransform     last_ts_transform_;
+    uint8_t             last_volume_;
+    CCHelper            cc_helper_;
+
+    // protected by the thread_lock_
+    typedef List<MediaBuffer*> MBQueue;
+    MBQueue in_queue_;
+
+    DISALLOW_EVIL_CONSTRUCTORS(AAH_DecoderPump);
+};
+
+}  // namespace android
+#endif  // __DECODER_PUMP_H__