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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_COMPONENT_DEVICE_DEFAULT_H_ | |
| 6 #define CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_COMPONENT_DEVICE_DEFAULT_H_ | |
| 7 | |
| 8 #include <list> | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "base/memory/weak_ptr.h" | |
| 12 #include "base/threading/thread_checker.h" | |
| 13 | |
| 14 #include "chromecast/public/media/media_clock_device.h" | |
| 15 #include "chromecast/public/media/media_component_device.h" | |
| 16 | |
| 17 namespace chromecast { | |
| 18 class TaskRunner; | |
| 19 | |
| 20 namespace media { | |
| 21 struct MediaPipelineDeviceParams; | |
| 22 | |
| 23 class MediaComponentDeviceDefault : public MediaComponentDevice { | |
| 24 public: | |
| 25 MediaComponentDeviceDefault(const MediaPipelineDeviceParams& params, | |
| 26 MediaClockDevice* media_clock_device); | |
| 27 ~MediaComponentDeviceDefault() override; | |
| 28 | |
| 29 // MediaComponentDevice implementation. | |
| 30 void SetClient(Client* client) override; | |
| 31 State GetState() const override; | |
| 32 bool SetState(State new_state) override; | |
| 33 bool SetStartPts(int64_t time_microseconds) override; | |
| 34 FrameStatus PushFrame(DecryptContext* decrypt_context, | |
| 35 CastDecoderBuffer* buffer, | |
| 36 FrameStatusCB* completion_cb) override; | |
| 37 RenderingDelay GetRenderingDelay() const override; | |
| 38 bool GetStatistics(Statistics* stats) const override; | |
| 39 | |
| 40 private: | |
| 41 struct DefaultDecoderBuffer { | |
| 42 DefaultDecoderBuffer(); | |
| 43 ~DefaultDecoderBuffer(); | |
| 44 | |
| 45 // Buffer size. | |
| 46 size_t size; | |
| 47 | |
| 48 // Presentation timestamp. | |
| 49 base::TimeDelta pts; | |
| 50 }; | |
| 51 | |
| 52 void RenderTask(); | |
| 53 | |
| 54 TaskRunner* task_runner_; | |
| 55 MediaClockDevice* const media_clock_device_; | |
| 56 scoped_ptr<Client> client_; | |
| 57 | |
| 58 State state_; | |
| 59 | |
| 60 // Indicate whether the end of stream has been received. | |
| 61 bool is_eos_; | |
| 62 | |
| 63 // Media time of the last rendered audio sample. | |
| 64 base::TimeDelta rendering_time_; | |
| 65 | |
| 66 // Frame decoded/rendered since the pipeline left the idle state. | |
| 67 uint64 decoded_frame_count_; | |
| 68 uint64 decoded_byte_count_; | |
| 69 | |
| 70 // List of frames not rendered yet. | |
| 71 std::list<DefaultDecoderBuffer> frames_; | |
| 72 | |
| 73 // Indicate whether there is a scheduled rendering task. | |
| 74 bool scheduled_rendering_task_; | |
| 75 | |
| 76 // Pending frame. | |
| 77 scoped_ptr<CastDecoderBuffer> pending_buffer_; | |
| 78 scoped_ptr<FrameStatusCB> frame_pushed_cb_; | |
| 79 | |
| 80 base::ThreadChecker thread_checker_; | |
| 81 | |
| 82 base::WeakPtr<MediaComponentDeviceDefault> weak_this_; | |
| 83 base::WeakPtrFactory<MediaComponentDeviceDefault> weak_factory_; | |
| 84 | |
| 85 DISALLOW_COPY_AND_ASSIGN(MediaComponentDeviceDefault); | |
| 86 }; | |
| 87 | |
| 88 } // namespace media | |
| 89 } // namespace chromecast | |
| 90 | |
| 91 #endif // CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_COMPONENT_DEVICE_DEFAULT_H_ | |
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