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// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// 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 STARBOARD_ANDROID_SHARED_AUDIO_DECODER_H_
#define STARBOARD_ANDROID_SHARED_AUDIO_DECODER_H_
#include <jni.h>
#include <queue>
#include <string>
#include "starboard/android/shared/drm_system.h"
#include "starboard/android/shared/media_codec_bridge.h"
#include "starboard/android/shared/media_decoder.h"
#include "starboard/common/ref_counted.h"
#include "starboard/media.h"
#include "starboard/shared/internal_only.h"
#include "starboard/shared/starboard/media/media_util.h"
#include "starboard/shared/starboard/player/decoded_audio_internal.h"
#include "starboard/shared/starboard/player/filter/audio_decoder_internal.h"
#include "starboard/shared/starboard/player/filter/audio_frame_discarder.h"
#include "starboard/shared/starboard/player/job_queue.h"
namespace starboard {
namespace android {
namespace shared {
class AudioDecoder
: public ::starboard::shared::starboard::player::filter::AudioDecoder,
private ::starboard::shared::starboard::player::JobQueue::JobOwner,
private MediaDecoder::Host {
public:
typedef ::starboard::shared::starboard::media::AudioStreamInfo
AudioStreamInfo;
AudioDecoder(const AudioStreamInfo& audio_stream_info,
SbDrmSystem drm_system);
~AudioDecoder() override;
void Initialize(const OutputCB& output_cb, const ErrorCB& error_cb) override;
void Decode(const InputBuffers& input_buffers,
const ConsumedCB& consumed_cb) override;
void WriteEndOfStream() override;
scoped_refptr<DecodedAudio> Read(int* samples_per_second) override;
void Reset() override;
bool is_valid() const { return media_decoder_ != NULL; }
private:
typedef ::starboard::shared::starboard::player::filter::AudioFrameDiscarder
AudioFrameDiscarder;
// The maximum amount of work that can exist in the union of |decoded_audios_|
// and |media_decoder_->GetNumberOfPendingTasks()|.
static const int kMaxPendingWorkSize = 64;
bool InitializeCodec();
void ProcessOutputBuffer(MediaCodecBridge* media_codec_bridge,
const DequeueOutputResult& output) override;
void OnEndOfStreamWritten(MediaCodecBridge* media_codec_bridge) override {}
void RefreshOutputFormat(MediaCodecBridge* media_codec_bridge) override;
bool Tick(MediaCodecBridge* media_codec_bridge) override { return false; }
void OnFlushing() override {}
void ReportError(SbPlayerError error, const std::string& error_message);
const AudioStreamInfo audio_stream_info_;
const SbMediaAudioSampleType sample_type_;
jint output_sample_rate_;
jint output_channel_count_;
DrmSystem* drm_system_;
OutputCB output_cb_;
ErrorCB error_cb_;
ConsumedCB consumed_cb_;
starboard::Mutex decoded_audios_mutex_;
std::queue<scoped_refptr<DecodedAudio> > decoded_audios_;
AudioFrameDiscarder audio_frame_discarder_;
scoped_ptr<MediaDecoder> media_decoder_;
};
} // namespace shared
} // namespace android
} // namespace starboard
#endif // STARBOARD_ANDROID_SHARED_AUDIO_DECODER_H_