| // Copyright 2016 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_RASPI_SHARED_OPEN_MAX_VIDEO_DECODER_H_ |
| #define STARBOARD_RASPI_SHARED_OPEN_MAX_VIDEO_DECODER_H_ |
| |
| #include <functional> |
| #include <queue> |
| |
| #include "starboard/common/log.h" |
| #include "starboard/common/mutex.h" |
| #include "starboard/common/queue.h" |
| #include "starboard/common/ref_counted.h" |
| #include "starboard/media.h" |
| #include "starboard/raspi/shared/dispmanx_util.h" |
| #include "starboard/raspi/shared/open_max/dispmanx_resource_pool.h" |
| #include "starboard/raspi/shared/open_max/open_max_video_decode_component.h" |
| #include "starboard/shared/internal_only.h" |
| #include "starboard/shared/starboard/player/filter/video_decoder_internal.h" |
| #include "starboard/shared/starboard/player/job_queue.h" |
| #include "starboard/thread.h" |
| |
| namespace starboard { |
| namespace raspi { |
| namespace shared { |
| namespace open_max { |
| |
| class VideoDecoder |
| : public ::starboard::shared::starboard::player::filter::VideoDecoder, |
| private ::starboard::shared::starboard::player::JobQueue::JobOwner { |
| public: |
| typedef ::starboard::shared::starboard::player::JobQueue JobQueue; |
| |
| explicit VideoDecoder(SbMediaVideoCodec video_codec); |
| ~VideoDecoder() override; |
| |
| void Initialize(const DecoderStatusCB& decoder_status_cb, |
| const ErrorCB& error_cb) override; |
| size_t GetPrerollFrameCount() const override { return 1; } |
| SbTime GetPrerollTimeout() const override { return kSbTimeMax; } |
| size_t GetMaxNumberOfCachedFrames() const override { return 12; } |
| void WriteInputBuffers(const InputBuffers& input_buffers) override; |
| void WriteEndOfStream() override; |
| void Reset() override; |
| SbDecodeTarget GetCurrentDecodeTarget() override { |
| return kSbDecodeTargetInvalid; |
| } |
| |
| private: |
| struct Event { |
| enum Type { kWriteInputBuffer, kWriteEOS, kReset }; |
| explicit Event(const Type type) : type(type) { |
| SB_DCHECK(type != kWriteInputBuffer); |
| } |
| explicit Event(const scoped_refptr<InputBuffer>& input_buffer) |
| : type(kWriteInputBuffer), input_buffer(input_buffer) {} |
| |
| Type type; |
| scoped_refptr<InputBuffer> input_buffer; |
| }; |
| |
| bool TryToDeliverOneFrame(); |
| static void* ThreadEntryPoint(void* context); |
| void RunLoop(); |
| scoped_refptr<VideoFrame> CreateFrame(const OMX_BUFFERHEADERTYPE* buffer); |
| |
| void Update(); |
| |
| // These variables will be initialized inside ctor or Initialize() and will |
| // not be changed during the life time of this class. |
| scoped_refptr<DispmanxResourcePool> resource_pool_; |
| DecoderStatusCB decoder_status_cb_; |
| ErrorCB error_cb_; |
| bool eos_written_; |
| bool first_input_written_ = false; |
| |
| SbThread thread_; |
| bool request_thread_termination_; |
| Queue<Event*> queue_; |
| |
| Mutex mutex_; |
| std::queue<OMX_BUFFERHEADERTYPE*> filled_buffers_; |
| std::queue<OMX_BUFFERHEADERTYPE*> freed_buffers_; |
| |
| JobQueue::JobToken update_job_token_; |
| std::function<void()> update_job_; |
| }; |
| |
| } // namespace open_max |
| } // namespace shared |
| } // namespace raspi |
| } // namespace starboard |
| |
| #endif // STARBOARD_RASPI_SHARED_OPEN_MAX_VIDEO_DECODER_H_ |