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/*
* 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__
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