| // 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_SHARED_STARBOARD_PLAYER_DECODED_AUDIO_INTERNAL_H_ |
| #define STARBOARD_SHARED_STARBOARD_PLAYER_DECODED_AUDIO_INTERNAL_H_ |
| |
| #include "starboard/common/ref_counted.h" |
| #include "starboard/common/scoped_ptr.h" |
| #include "starboard/media.h" |
| #include "starboard/shared/internal_only.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace starboard { |
| namespace player { |
| |
| // Decoded audio frames produced by an audio decoder. It can contain multiple |
| // frames with continuous timestamps. |
| // It doesn't have a specific storage type and sample type. The decoder and the |
| // renderer will determinate the proper storage type and sample type in their |
| // own way. |
| class DecodedAudio : public RefCountedThreadSafe<DecodedAudio> { |
| public: |
| DecodedAudio(); // Signal an EOS. |
| DecodedAudio(int channels, |
| SbMediaAudioSampleType sample_type, |
| SbMediaAudioFrameStorageType storage_type, |
| SbTime timestamp, |
| size_t size); |
| |
| int channels() const { return channels_; } |
| SbMediaAudioSampleType sample_type() const { return sample_type_; } |
| SbMediaAudioFrameStorageType storage_type() const { return storage_type_; } |
| |
| bool is_end_of_stream() const { return buffer_ == NULL; } |
| SbTime timestamp() const { return timestamp_; } |
| const uint8_t* buffer() const { return buffer_.get(); } |
| size_t size() const { return size_; } |
| |
| uint8_t* buffer() { return buffer_.get(); } |
| int frames() const; |
| |
| void SwitchFormatTo(SbMediaAudioSampleType new_sample_type, |
| SbMediaAudioFrameStorageType new_storage_type); |
| void ShrinkTo(size_t new_size); |
| // During seeking, the target time can be in the middle of the DecodedAudio |
| // object. This function will adjust the object to the seek target time by |
| // removing the frames in the beginning that are before the seek target time. |
| void AdjustForSeekTime(int samples_per_second, SbTime seeking_to_time); |
| |
| private: |
| void SwitchSampleTypeTo(SbMediaAudioSampleType new_sample_type); |
| void SwitchStorageTypeTo(SbMediaAudioFrameStorageType new_storage_type); |
| |
| int channels_; |
| SbMediaAudioSampleType sample_type_; |
| SbMediaAudioFrameStorageType storage_type_; |
| // The timestamp of the first audio frame. |
| SbTime timestamp_; |
| // Use scoped_array<uint8_t> instead of std::vector<uint8_t> to avoid wasting |
| // time on setting content to 0. |
| scoped_array<uint8_t> buffer_; |
| size_t size_; |
| |
| DecodedAudio(const DecodedAudio&) = delete; |
| void operator=(const DecodedAudio&) = delete; |
| }; |
| |
| } // namespace player |
| } // namespace starboard |
| } // namespace shared |
| } // namespace starboard |
| |
| #endif // STARBOARD_SHARED_STARBOARD_PLAYER_DECODED_AUDIO_INTERNAL_H_ |