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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_ | 5 #ifndef MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_ |
6 #define MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_ | 6 #define MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_ |
7 | 7 |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
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43 // (perhaps to just one or two). | 43 // (perhaps to just one or two). |
44 // | 44 // |
45 // This class is not thread safe. Should only be called from the Main cast | 45 // This class is not thread safe. Should only be called from the Main cast |
46 // thread. | 46 // thread. |
47 class FrameReceiver : public RtpPayloadFeedback, | 47 class FrameReceiver : public RtpPayloadFeedback, |
48 public base::SupportsWeakPtr<FrameReceiver> { | 48 public base::SupportsWeakPtr<FrameReceiver> { |
49 public: | 49 public: |
50 FrameReceiver(const scoped_refptr<CastEnvironment>& cast_environment, | 50 FrameReceiver(const scoped_refptr<CastEnvironment>& cast_environment, |
51 const FrameReceiverConfig& config, | 51 const FrameReceiverConfig& config, |
52 EventMediaType event_media_type, | 52 EventMediaType event_media_type, |
53 PacedPacketSender* const packet_sender); | 53 CastTransportSender* const transport); |
54 | 54 |
55 ~FrameReceiver() override; | 55 ~FrameReceiver() override; |
56 | 56 |
57 // Request an encoded frame. | 57 // Request an encoded frame. |
58 // | 58 // |
59 // The given |callback| is guaranteed to be run at some point in the future, | 59 // The given |callback| is guaranteed to be run at some point in the future, |
60 // except for those requests still enqueued at destruction time. | 60 // except for those requests still enqueued at destruction time. |
61 void RequestEncodedFrame(const ReceiveEncodedFrameCallback& callback); | 61 void RequestEncodedFrame(const ReceiveEncodedFrameCallback& callback); |
62 | 62 |
63 // Called to deliver another packet, possibly a duplicate, and possibly | 63 // Called to deliver another packet, possibly a duplicate, and possibly |
64 // out-of-order. Returns true if the parsing of the packet succeeded. | 64 // out-of-order. Returns true if the parsing of the packet succeeded. |
65 bool ProcessPacket(scoped_ptr<Packet> packet); | 65 bool ProcessPacket(scoped_ptr<Packet> packet); |
66 | 66 |
67 // TODO(miu): This is the wrong place for this, but the (de)serialization | |
68 // implementation needs to be consolidated first. | |
69 static bool ParseSenderSsrc(const uint8* packet, size_t length, uint32* ssrc); | |
70 | |
71 protected: | 67 protected: |
72 friend class FrameReceiverTest; // Invokes ProcessParsedPacket(). | 68 friend class FrameReceiverTest; // Invokes ProcessParsedPacket(). |
73 | 69 |
74 void ProcessParsedPacket(const RtpCastHeader& rtp_header, | 70 void ProcessParsedPacket(const RtpCastHeader& rtp_header, |
75 const uint8* payload_data, | 71 const uint8* payload_data, |
76 size_t payload_size); | 72 size_t payload_size); |
77 | 73 |
78 // RtpPayloadFeedback implementation. | 74 // RtpPayloadFeedback implementation. |
79 void CastFeedback(const RtcpCastMessage& cast_message) override; | 75 void CastFeedback(const RtcpCastMessage& cast_message) override; |
80 | 76 |
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108 void ScheduleNextRtcpReport(); | 104 void ScheduleNextRtcpReport(); |
109 | 105 |
110 // Actually send the next cast message. | 106 // Actually send the next cast message. |
111 void SendNextCastMessage(); | 107 void SendNextCastMessage(); |
112 | 108 |
113 // Actually send the next RTCP report. | 109 // Actually send the next RTCP report. |
114 void SendNextRtcpReport(); | 110 void SendNextRtcpReport(); |
115 | 111 |
116 const scoped_refptr<CastEnvironment> cast_environment_; | 112 const scoped_refptr<CastEnvironment> cast_environment_; |
117 | 113 |
| 114 // Transport used to send data back. |
| 115 CastTransportSender* const transport_; |
| 116 |
118 // Deserializes a packet into a RtpHeader + payload bytes. | 117 // Deserializes a packet into a RtpHeader + payload bytes. |
119 RtpParser packet_parser_; | 118 RtpParser packet_parser_; |
120 | 119 |
121 // Accumulates packet statistics, including packet loss, counts, and jitter. | 120 // Accumulates packet statistics, including packet loss, counts, and jitter. |
122 ReceiverStats stats_; | 121 ReceiverStats stats_; |
123 | 122 |
124 // Partitions logged events by the type of media passing through. | 123 // Partitions logged events by the type of media passing through. |
125 EventMediaType event_media_type_; | 124 EventMediaType event_media_type_; |
126 | 125 |
127 // Subscribes to raw events. | 126 // Subscribes to raw events. |
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185 // NOTE: Weak pointers must be invalidated before all other member variables. | 184 // NOTE: Weak pointers must be invalidated before all other member variables. |
186 base::WeakPtrFactory<FrameReceiver> weak_factory_; | 185 base::WeakPtrFactory<FrameReceiver> weak_factory_; |
187 | 186 |
188 DISALLOW_COPY_AND_ASSIGN(FrameReceiver); | 187 DISALLOW_COPY_AND_ASSIGN(FrameReceiver); |
189 }; | 188 }; |
190 | 189 |
191 } // namespace cast | 190 } // namespace cast |
192 } // namespace media | 191 } // namespace media |
193 | 192 |
194 #endif // MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_ | 193 #endif // MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_ |
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