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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SERVICES_MEDIA_FRAMEWORK_MOJO_PUSH_PRODUCER_BASE_H_ | 5 #ifndef SERVICES_MEDIA_FRAMEWORK_MOJO_PUSH_PRODUCER_BASE_H_ |
| 6 #define SERVICES_MEDIA_FRAMEWORK_MOJO_PUSH_PRODUCER_BASE_H_ | 6 #define SERVICES_MEDIA_FRAMEWORK_MOJO_PUSH_PRODUCER_BASE_H_ |
| 7 | 7 |
| 8 #include "base/single_thread_task_runner.h" | 8 #include "base/single_thread_task_runner.h" |
| 9 #include "base/synchronization/lock.h" | 9 #include "base/synchronization/lock.h" |
| 10 #include "base/task_runner.h" | 10 #include "base/task_runner.h" |
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| 48 int64_t GetFirstPtsSinceFlush(); | 48 int64_t GetFirstPtsSinceFlush(); |
| 49 | 49 |
| 50 // ActiveSink implementation. | 50 // ActiveSink implementation. |
| 51 PayloadAllocator* allocator() override; | 51 PayloadAllocator* allocator() override; |
| 52 | 52 |
| 53 void SetDemandCallback(const DemandCallback& demand_callback) override; | 53 void SetDemandCallback(const DemandCallback& demand_callback) override; |
| 54 | 54 |
| 55 Demand SupplyPacket(PacketPtr packet) override; | 55 Demand SupplyPacket(PacketPtr packet) override; |
| 56 | 56 |
| 57 // MediaProducer implementation. | 57 // MediaProducer implementation. |
| 58 void Connect( | 58 void Connect(InterfaceHandle<MediaConsumer> consumer, |
| 59 InterfaceHandle<MediaConsumer> consumer, | 59 const ConnectCallback& callback) override; |
| 60 const ConnectCallback& callback) override; | |
| 61 | 60 |
| 62 void Disconnect() override; | 61 void Disconnect() override; |
| 63 | 62 |
| 64 private: | 63 private: |
| 65 MojoProducer(); | 64 MojoProducer(); |
| 66 | 65 |
| 67 // Sends a packet to the consumer. | 66 // Sends a packet to the consumer. |
| 68 // TODO(dalesat): Don't use a raw pointer, if possible. | 67 // TODO(dalesat): Don't use a raw pointer, if possible. |
| 69 void SendPacket( | 68 void SendPacket(Packet* packet_raw_ptr, MediaPacketPtr media_packet); |
| 70 Packet* packet_raw_ptr, | |
| 71 MediaPacketPtr media_packet); | |
| 72 | 69 |
| 73 // Sets the current state and calls the registered callback, if there is one. | 70 // Sets the current state and calls the registered callback, if there is one. |
| 74 void SetState(MediaState state); | 71 void SetState(MediaState state); |
| 75 | 72 |
| 76 // Creates a MediaPacket from a Packet. | 73 // Creates a MediaPacket from a Packet. |
| 77 MediaPacketPtr CreateMediaPacket(const PacketPtr& packet); | 74 MediaPacketPtr CreateMediaPacket(const PacketPtr& packet); |
| 78 | 75 |
| 79 // Allocates from the shared buffer. | 76 // Allocates from the shared buffer. |
| 80 MojoAllocator mojo_allocator_; | 77 MojoAllocator mojo_allocator_; |
| 81 | 78 |
| 82 BindingSet<MediaProducer> bindings_; | 79 BindingSet<MediaProducer> bindings_; |
| 83 MediaConsumerPtr consumer_; | 80 MediaConsumerPtr consumer_; |
| 84 StatusCallback status_callback_; | 81 StatusCallback status_callback_; |
| 85 | 82 |
| 86 mutable base::Lock lock_; | 83 mutable base::Lock lock_; |
| 87 // THE FIELDS BELOW SHOULD ONLY BE ACCESSED WITH lock_ TAKEN. | 84 // THE FIELDS BELOW SHOULD ONLY BE ACCESSED WITH lock_ TAKEN. |
| 88 MediaState state_= MediaState::UNPREPARED; | 85 MediaState state_ = MediaState::UNPREPARED; |
| 89 bool end_of_stream_= false; | 86 bool end_of_stream_ = false; |
| 90 DemandCallback demand_callback_; | 87 DemandCallback demand_callback_; |
| 91 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 88 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
| 92 int64_t first_pts_since_flush_ = Packet::kUnknownPts; | 89 int64_t first_pts_since_flush_ = Packet::kUnknownPts; |
| 93 // TODO(dalesat): Base this logic on presentation time or duration. | 90 // TODO(dalesat): Base this logic on presentation time or duration. |
| 94 uint32_t max_pushes_outstanding_ = 0; | 91 uint32_t max_pushes_outstanding_ = 0; |
| 95 uint32_t current_pushes_outstanding_ = 0; | 92 uint32_t current_pushes_outstanding_ = 0; |
| 96 // THE FIELDS ABOVE SHOULD ONLY BE ACCESSED WITH lock_ TAKEN. | 93 // THE FIELDS ABOVE SHOULD ONLY BE ACCESSED WITH lock_ TAKEN. |
| 97 }; | 94 }; |
| 98 | 95 |
| 99 } // namespace media | 96 } // namespace media |
| 100 } // namespace mojo | 97 } // namespace mojo |
| 101 | 98 |
| 102 #endif // SERVICES_MEDIA_FRAMEWORK_MOJO_PUSH_PRODUCER_BASE_H_ | 99 #endif // SERVICES_MEDIA_FRAMEWORK_MOJO_PUSH_PRODUCER_BASE_H_ |
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