| // Copyright 2017 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_WIN32_VIDEO_DECODER_THREAD_H_ |
| #define STARBOARD_SHARED_WIN32_VIDEO_DECODER_THREAD_H_ |
| |
| #include <deque> |
| #include <queue> |
| |
| #include "starboard/common/ref_counted.h" |
| #include "starboard/common/semaphore.h" |
| #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/shared/starboard/player/filter/video_decoder_internal.h" |
| #include "starboard/shared/starboard/player/job_queue.h" |
| #include "starboard/shared/win32/media_common.h" |
| #include "starboard/shared/win32/simple_thread.h" |
| #include "starboard/shared/win32/win32_decoder_impl.h" |
| #include "starboard/shared/win32/win32_video_decoder.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace win32 { |
| |
| // This class receives decoded video frames. |
| class VideoDecodedCallback { |
| public: |
| virtual ~VideoDecodedCallback() {} |
| virtual void OnVideoDecoded(VideoFramePtr data) = 0; |
| }; |
| |
| // This decoder thread simplifies decoding media. Data is pushed in via |
| // QueueInput() and QueueEndOfStream() and output data is pushed via |
| // the AudioDecodedCallback. |
| class VideoDecoderThread : private SimpleThread { |
| public: |
| VideoDecoderThread(AbstractWin32VideoDecoder* decoder_impl, |
| VideoDecodedCallback* callback); |
| ~VideoDecoderThread() SB_OVERRIDE; |
| |
| // Returns true if more input can be pushed to this thread. |
| bool QueueInput(const scoped_refptr<InputBuffer>& buffer); |
| void QueueEndOfStream(); |
| |
| private: |
| void TransferPendingInputTo(std::deque<scoped_refptr<InputBuffer> >* output); |
| void Run() SB_OVERRIDE; |
| AbstractWin32VideoDecoder* win32_video_decoder_; |
| VideoDecodedCallback* callback_; |
| std::deque<scoped_refptr<InputBuffer> > input_buffer_queue_; |
| ::starboard::Mutex input_buffer_queue_mutex_; |
| atomic_int32_t processing_elements_; |
| Semaphore semaphore_; |
| }; |
| |
| } // namespace win32 |
| } // namespace shared |
| } // namespace starboard |
| |
| #endif // STARBOARD_SHARED_WIN32_VIDEO_DECODER_THREAD_H_ |