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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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