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// Copyright 2016 Google Inc. 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_TIZEN_SHARED_FFMPEG_FFMPEG_AUDIO_DECODER_H_
#define STARBOARD_TIZEN_SHARED_FFMPEG_FFMPEG_AUDIO_DECODER_H_
#include <queue>
#include "starboard/media.h"
#include "starboard/shared/internal_only.h"
#include "starboard/shared/starboard/player/decoded_audio_internal.h"
#include "starboard/shared/starboard/player/filter/audio_decoder_internal.h"
#include "starboard/tizen/shared/ffmpeg/ffmpeg_common.h"
namespace starboard {
namespace shared {
namespace ffmpeg {
class AudioDecoder : public starboard::player::filter::AudioDecoder {
public:
typedef starboard::player::DecodedAudio DecodedAudio;
typedef starboard::player::InputBuffer InputBuffer;
AudioDecoder(SbMediaAudioCodec audio_codec,
const SbMediaAudioHeader& audio_header);
~AudioDecoder() SB_OVERRIDE;
void Decode(const InputBuffer& input_buffer) SB_OVERRIDE;
void WriteEndOfStream() SB_OVERRIDE;
scoped_refptr<DecodedAudio> Read() SB_OVERRIDE;
void Reset() SB_OVERRIDE;
SbMediaAudioSampleType GetSampleType() const SB_OVERRIDE;
int GetSamplesPerSecond() const SB_OVERRIDE;
bool CanAcceptMoreData() const SB_OVERRIDE {
return !stream_ended_ && decoded_audios_.size() <= kMaxDecodedAudiosSize;
}
bool is_valid() const { return codec_context_ != NULL; }
private:
void InitializeCodec();
void TeardownCodec();
static const int kMaxDecodedAudiosSize = 64;
SbMediaAudioCodec audio_codec_;
SbMediaAudioSampleType sample_type_;
AVCodecContext* codec_context_;
AVFrame* av_frame_;
bool stream_ended_;
std::queue<scoped_refptr<DecodedAudio> > decoded_audios_;
SbMediaAudioHeader audio_header_;
};
} // namespace ffmpeg
} // namespace shared
} // namespace starboard
#endif // STARBOARD_TIZEN_SHARED_FFMPEG_FFMPEG_AUDIO_DECODER_H_