| // Copyright 2018 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_SHARED_OPUS_OPUS_AUDIO_DECODER_H_ |
| #define STARBOARD_SHARED_OPUS_OPUS_AUDIO_DECODER_H_ |
| |
| #include <queue> |
| #include <vector> |
| |
| #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/job_queue.h" |
| #include "third_party/opus/include/opus_multistream.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace opus { |
| |
| class OpusAudioDecoder |
| : public ::starboard::shared::starboard::player::filter::AudioDecoder, |
| private starboard::player::JobQueue::JobOwner { |
| public: |
| typedef shared::starboard::media::AudioSampleInfo AudioSampleInfo; |
| |
| explicit OpusAudioDecoder(const SbMediaAudioSampleInfo& audio_sample_info); |
| ~OpusAudioDecoder() override; |
| |
| bool is_valid() const; |
| |
| // AudioDecoder functions |
| 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(int* samples_per_second) override; |
| void Reset() override; |
| |
| private: |
| static const int kMaxOpusFramesPerAU = 9600; |
| |
| SbMediaAudioSampleType GetSampleType() const; |
| |
| OutputCB output_cb_; |
| ErrorCB error_cb_; |
| |
| OpusMSDecoder* decoder_ = NULL; |
| bool stream_ended_ = false; |
| std::queue<scoped_refptr<DecodedAudio> > decoded_audios_; |
| AudioSampleInfo audio_sample_info_; |
| int frames_per_au_ = kMaxOpusFramesPerAU; |
| }; |
| |
| } // namespace opus |
| } // namespace shared |
| } // namespace starboard |
| |
| #endif // STARBOARD_SHARED_OPUS_OPUS_AUDIO_DECODER_H_ |