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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 #include "base/logging.h" | 5 #include "base/logging.h" |
6 #include "services/media/framework/packet.h" | 6 #include "services/media/framework/packet.h" |
7 #include "services/media/framework/payload_allocator.h" | 7 #include "services/media/framework/payload_allocator.h" |
8 | 8 |
9 namespace mojo { | 9 namespace mojo { |
10 namespace media { | 10 namespace media { |
11 | 11 |
12 Packet::Packet( | 12 Packet::Packet(int64_t pts, bool end_of_stream, size_t size, void* payload) |
13 int64_t pts, | 13 : pts_(pts), end_of_stream_(end_of_stream), size_(size), payload_(payload) { |
14 bool end_of_stream, | |
15 size_t size, | |
16 void* payload) : | |
17 pts_(pts), | |
18 end_of_stream_(end_of_stream), | |
19 size_(size), | |
20 payload_(payload) { | |
21 DCHECK((size == 0) == (payload == nullptr)); | 14 DCHECK((size == 0) == (payload == nullptr)); |
22 } | 15 } |
23 | 16 |
24 class PacketImpl : public Packet { | 17 class PacketImpl : public Packet { |
25 public: | 18 public: |
26 PacketImpl( | 19 PacketImpl(int64_t pts, |
27 int64_t pts, | 20 bool end_of_stream, |
28 bool end_of_stream, | 21 size_t size, |
29 size_t size, | 22 void* payload, |
30 void* payload, | 23 PayloadAllocator* allocator) |
31 PayloadAllocator* allocator) : | 24 : Packet(pts, end_of_stream, size, payload), allocator_(allocator) {} |
32 Packet(pts, end_of_stream, size, payload), | |
33 allocator_(allocator) {} | |
34 | 25 |
35 protected: | 26 protected: |
36 ~PacketImpl() override {}; | 27 ~PacketImpl() override{}; |
37 | 28 |
38 void Release() override { | 29 void Release() override { |
39 // In the default implementation, payload() will be nullptr if and only if | 30 // In the default implementation, payload() will be nullptr if and only if |
40 // allocator_ is nullptr. Subclasses have the option of having a non-null | 31 // allocator_ is nullptr. Subclasses have the option of having a non-null |
41 // payload() and handling deallocation themselves, so allocator_ can be | 32 // payload() and handling deallocation themselves, so allocator_ can be |
42 // nullptr even when payload() is not. | 33 // nullptr even when payload() is not. |
43 if (payload() != nullptr && allocator_ != nullptr) { | 34 if (payload() != nullptr && allocator_ != nullptr) { |
44 allocator_->ReleasePayloadBuffer(size(), payload()); | 35 allocator_->ReleasePayloadBuffer(size(), payload()); |
45 } | 36 } |
46 delete this; | 37 delete this; |
47 } | 38 } |
48 | 39 |
49 private: | 40 private: |
50 PayloadAllocator* allocator_; | 41 PayloadAllocator* allocator_; |
51 }; | 42 }; |
52 | 43 |
53 // static | 44 // static |
54 PacketPtr Packet::Create( | 45 PacketPtr Packet::Create(int64_t pts, |
55 int64_t pts, | 46 bool end_of_stream, |
56 bool end_of_stream, | 47 size_t size, |
57 size_t size, | 48 void* payload, |
58 void* payload, | 49 PayloadAllocator* allocator) { |
59 PayloadAllocator* allocator) { | |
60 DCHECK(payload == nullptr || allocator != nullptr); | 50 DCHECK(payload == nullptr || allocator != nullptr); |
61 return PacketPtr(new PacketImpl( | 51 return PacketPtr( |
62 pts, | 52 new PacketImpl(pts, end_of_stream, size, payload, allocator)); |
63 end_of_stream, | |
64 size, | |
65 payload, | |
66 allocator)); | |
67 } | 53 } |
68 | 54 |
69 // static | 55 // static |
70 PacketPtr Packet::CreateNoAllocator( | 56 PacketPtr Packet::CreateNoAllocator(int64_t pts, |
71 int64_t pts, | 57 bool end_of_stream, |
72 bool end_of_stream, | 58 size_t size, |
73 size_t size, | 59 void* payload) { |
74 void* payload) { | 60 return PacketPtr(new PacketImpl(pts, end_of_stream, size, payload, nullptr)); |
75 return PacketPtr(new PacketImpl( | |
76 pts, | |
77 end_of_stream, | |
78 size, | |
79 payload, | |
80 nullptr)); | |
81 } | 61 } |
82 | 62 |
83 // static | 63 // static |
84 PacketPtr Packet::CreateEndOfStream(int64_t pts) { | 64 PacketPtr Packet::CreateEndOfStream(int64_t pts) { |
85 return PacketPtr(new PacketImpl( | 65 return PacketPtr(new PacketImpl(pts, |
86 pts, | 66 true, // end_of_stream |
87 true, // end_of_stream | 67 0, // size |
88 0, // size | 68 nullptr, // payload |
89 nullptr, // payload | 69 nullptr)); // allocator |
90 nullptr)); // allocator | |
91 } | 70 } |
92 | 71 |
93 } // namespace media | 72 } // namespace media |
94 } // namespace mojo | 73 } // namespace mojo |
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