| // Copyright 2018 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_SHARED_FFMPEG_FFMPEG_AUDIO_DECODER_IMPL_H_ |
| #define STARBOARD_SHARED_FFMPEG_FFMPEG_AUDIO_DECODER_IMPL_H_ |
| |
| #include <queue> |
| |
| #include "starboard/common/ref_counted.h" |
| #include "starboard/media.h" |
| #include "starboard/shared/ffmpeg/ffmpeg_audio_decoder.h" |
| #include "starboard/shared/ffmpeg/ffmpeg_common.h" |
| #include "starboard/shared/ffmpeg/ffmpeg_dispatch.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/shared/starboard/player/job_queue.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace ffmpeg { |
| |
| // For each version V that is supported, there will be an implementation of an |
| // explicit specialization of the AudioDecoder class. |
| template <int V> |
| class AudioDecoderImpl : public AudioDecoder { |
| public: |
| static AudioDecoder* Create(SbMediaAudioCodec audio_codec, |
| const SbMediaAudioHeader& audio_header); |
| }; |
| |
| // Forward class declaration of the explicit specialization with value FFMPEG. |
| template <> |
| class AudioDecoderImpl<FFMPEG>; |
| |
| // Declare the explicit specialization of the class with value FFMPEG. |
| template <> |
| class AudioDecoderImpl<FFMPEG> : public AudioDecoder, |
| private starboard::player::JobQueue::JobOwner { |
| public: |
| AudioDecoderImpl(SbMediaAudioCodec audio_codec, |
| const SbMediaAudioHeader& audio_header); |
| ~AudioDecoderImpl() override; |
| |
| // From: AudioDecoder |
| static AudioDecoder* Create(SbMediaAudioCodec audio_codec, |
| const SbMediaAudioHeader& audio_header); |
| bool is_valid() const override; |
| |
| // From: starboard::player::filter::AudioDecoder |
| void Initialize(const OutputCB& output_cb, const ErrorCB& error_cb) override; |
| void Decode(const scoped_refptr<InputBuffer>& input_buffer, |
| const ConsumedCB& consumed_cb) override; |
| void WriteEndOfStream() override; |
| scoped_refptr<DecodedAudio> Read() override; |
| void Reset() override; |
| SbMediaAudioSampleType GetSampleType() const override; |
| SbMediaAudioFrameStorageType GetStorageType() const override; |
| int GetSamplesPerSecond() const override; |
| |
| private: |
| void InitializeCodec(); |
| void TeardownCodec(); |
| |
| static const int kMaxDecodedAudiosSize = 64; |
| |
| FFMPEGDispatch* ffmpeg_; |
| OutputCB output_cb_; |
| ErrorCB error_cb_; |
| SbMediaAudioCodec audio_codec_; |
| 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_SHARED_FFMPEG_FFMPEG_AUDIO_DECODER_IMPL_H_ |