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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_CAST_CONFIG_H_ | 5 #ifndef MEDIA_CAST_CAST_CONFIG_H_ |
6 #define MEDIA_CAST_CAST_CONFIG_H_ | 6 #define MEDIA_CAST_CAST_CONFIG_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/callback.h" | 13 #include "base/callback.h" |
14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
15 #include "media/cast/cast_defines.h" | 15 #include "media/cast/cast_defines.h" |
16 #include "media/cast/transport/cast_transport_config.h" | |
17 | 16 |
18 namespace media { | 17 namespace media { |
19 namespace cast { | 18 namespace cast { |
20 | 19 |
21 enum RtcpMode { | 20 enum RtcpMode { |
22 kRtcpCompound, // Compound RTCP mode is described by RFC 4585. | 21 kRtcpCompound, // Compound RTCP mode is described by RFC 4585. |
23 kRtcpReducedSize, // Reduced-size RTCP mode is described by RFC 5506. | 22 kRtcpReducedSize, // Reduced-size RTCP mode is described by RFC 5506. |
24 }; | 23 }; |
25 | 24 |
| 25 enum VideoCodec { |
| 26 kVp8, |
| 27 kH264, |
| 28 }; |
| 29 |
| 30 enum AudioCodec { |
| 31 kOpus, |
| 32 kPcm16, |
| 33 kExternalAudio, |
| 34 }; |
| 35 |
26 struct AudioSenderConfig { | 36 struct AudioSenderConfig { |
27 AudioSenderConfig(); | 37 AudioSenderConfig(); |
28 | 38 |
29 uint32 sender_ssrc; | 39 uint32 sender_ssrc; |
30 uint32 incoming_feedback_ssrc; | 40 uint32 incoming_feedback_ssrc; |
31 | 41 |
32 int rtcp_interval; | 42 int rtcp_interval; |
33 std::string rtcp_c_name; | 43 std::string rtcp_c_name; |
34 RtcpMode rtcp_mode; | 44 RtcpMode rtcp_mode; |
35 | 45 |
36 int rtp_history_ms; // The time RTP packets are stored for retransmissions. | 46 int rtp_history_ms; // The time RTP packets are stored for retransmissions. |
37 int rtp_max_delay_ms; | 47 int rtp_max_delay_ms; |
38 int rtp_payload_type; | 48 int rtp_payload_type; |
39 | 49 |
40 bool use_external_encoder; | 50 bool use_external_encoder; |
41 int frequency; | 51 int frequency; |
42 int channels; | 52 int channels; |
43 int bitrate; // Set to <= 0 for "auto variable bitrate" (libopus knows best). | 53 int bitrate; // Set to <= 0 for "auto variable bitrate" (libopus knows best). |
44 transport::AudioCodec codec; | 54 AudioCodec codec; |
45 | 55 |
46 std::string aes_key; // Binary string of size kAesKeySize. | 56 std::string aes_key; // Binary string of size kAesKeySize. |
47 std::string aes_iv_mask; // Binary string of size kAesKeySize. | 57 std::string aes_iv_mask; // Binary string of size kAesKeySize. |
48 }; | 58 }; |
49 | 59 |
50 struct VideoSenderConfig { | 60 struct VideoSenderConfig { |
51 VideoSenderConfig(); | 61 VideoSenderConfig(); |
52 | 62 |
53 uint32 sender_ssrc; | 63 uint32 sender_ssrc; |
54 uint32 incoming_feedback_ssrc; | 64 uint32 incoming_feedback_ssrc; |
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66 int height; | 76 int height; |
67 | 77 |
68 float congestion_control_back_off; | 78 float congestion_control_back_off; |
69 int max_bitrate; | 79 int max_bitrate; |
70 int min_bitrate; | 80 int min_bitrate; |
71 int start_bitrate; | 81 int start_bitrate; |
72 int max_qp; | 82 int max_qp; |
73 int min_qp; | 83 int min_qp; |
74 int max_frame_rate; | 84 int max_frame_rate; |
75 int max_number_of_video_buffers_used; // Max value depend on codec. | 85 int max_number_of_video_buffers_used; // Max value depend on codec. |
76 transport::VideoCodec codec; | 86 VideoCodec codec; |
77 int number_of_cores; | 87 int number_of_cores; |
78 | 88 |
79 std::string aes_key; // Binary string of size kAesKeySize. | 89 std::string aes_key; // Binary string of size kAesKeySize. |
80 std::string aes_iv_mask; // Binary string of size kAesKeySize. | 90 std::string aes_iv_mask; // Binary string of size kAesKeySize. |
81 }; | 91 }; |
82 | 92 |
83 struct AudioReceiverConfig { | 93 struct AudioReceiverConfig { |
84 AudioReceiverConfig(); | 94 AudioReceiverConfig(); |
85 | 95 |
86 uint32 feedback_ssrc; | 96 uint32 feedback_ssrc; |
87 uint32 incoming_ssrc; | 97 uint32 incoming_ssrc; |
88 | 98 |
89 int rtcp_interval; | 99 int rtcp_interval; |
90 std::string rtcp_c_name; | 100 std::string rtcp_c_name; |
91 RtcpMode rtcp_mode; | 101 RtcpMode rtcp_mode; |
92 | 102 |
93 // The time the receiver is prepared to wait for retransmissions. | 103 // The time the receiver is prepared to wait for retransmissions. |
94 int rtp_max_delay_ms; | 104 int rtp_max_delay_ms; |
95 int rtp_payload_type; | 105 int rtp_payload_type; |
96 | 106 |
97 bool use_external_decoder; | 107 bool use_external_decoder; |
98 int frequency; | 108 int frequency; |
99 int channels; | 109 int channels; |
100 transport::AudioCodec codec; | 110 AudioCodec codec; |
101 | 111 |
102 std::string aes_key; // Binary string of size kAesKeySize. | 112 std::string aes_key; // Binary string of size kAesKeySize. |
103 std::string aes_iv_mask; // Binary string of size kAesKeySize. | 113 std::string aes_iv_mask; // Binary string of size kAesKeySize. |
104 }; | 114 }; |
105 | 115 |
106 struct VideoReceiverConfig { | 116 struct VideoReceiverConfig { |
107 VideoReceiverConfig(); | 117 VideoReceiverConfig(); |
108 | 118 |
109 uint32 feedback_ssrc; | 119 uint32 feedback_ssrc; |
110 uint32 incoming_ssrc; | 120 uint32 incoming_ssrc; |
111 | 121 |
112 int rtcp_interval; | 122 int rtcp_interval; |
113 std::string rtcp_c_name; | 123 std::string rtcp_c_name; |
114 RtcpMode rtcp_mode; | 124 RtcpMode rtcp_mode; |
115 | 125 |
116 // The time the receiver is prepared to wait for retransmissions. | 126 // The time the receiver is prepared to wait for retransmissions. |
117 int rtp_max_delay_ms; | 127 int rtp_max_delay_ms; |
118 int rtp_payload_type; | 128 int rtp_payload_type; |
119 | 129 |
120 bool use_external_decoder; | 130 bool use_external_decoder; |
121 int max_frame_rate; | 131 int max_frame_rate; |
122 | 132 |
123 // Some HW decoders can not run faster than the frame rate, preventing it | 133 // Some HW decoders can not run faster than the frame rate, preventing it |
124 // from catching up after a glitch. | 134 // from catching up after a glitch. |
125 bool decoder_faster_than_max_frame_rate; | 135 bool decoder_faster_than_max_frame_rate; |
126 transport::VideoCodec codec; | 136 VideoCodec codec; |
127 | 137 |
128 std::string aes_key; // Binary string of size kAesKeySize. | 138 std::string aes_key; // Binary string of size kAesKeySize. |
129 std::string aes_iv_mask; // Binary string of size kAesKeySize. | 139 std::string aes_iv_mask; // Binary string of size kAesKeySize. |
130 }; | 140 }; |
131 | 141 |
| 142 struct EncodedVideoFrame { |
| 143 EncodedVideoFrame(); |
| 144 ~EncodedVideoFrame(); |
| 145 |
| 146 VideoCodec codec; |
| 147 bool key_frame; |
| 148 uint32 frame_id; |
| 149 uint32 last_referenced_frame_id; |
| 150 std::string data; |
| 151 }; |
| 152 |
132 // DEPRECATED: Do not use in new code. Please migrate existing code to use | 153 // DEPRECATED: Do not use in new code. Please migrate existing code to use |
133 // media::AudioBus. | 154 // media::AudioBus. |
134 struct PcmAudioFrame { | 155 struct PcmAudioFrame { |
135 PcmAudioFrame(); | 156 PcmAudioFrame(); |
136 ~PcmAudioFrame(); | 157 ~PcmAudioFrame(); |
137 | 158 |
138 int channels; // Samples in interleaved stereo format. L0, R0, L1 ,R1 ,... | 159 int channels; // Samples in interleaved stereo format. L0, R0, L1 ,R1 ,... |
139 int frequency; | 160 int frequency; |
140 std::vector<int16> samples; | 161 std::vector<int16> samples; |
141 }; | 162 }; |
142 | 163 |
| 164 struct EncodedAudioFrame { |
| 165 EncodedAudioFrame(); |
| 166 ~EncodedAudioFrame(); |
| 167 |
| 168 AudioCodec codec; |
| 169 uint32 frame_id; // Needed to release the frame. |
| 170 int samples; // Needed send side to advance the RTP timestamp. |
| 171 // Not used receive side. |
| 172 // Support for max sampling rate of 48KHz, 2 channels, 100 ms duration. |
| 173 static const int kMaxNumberOfSamples = 48 * 2 * 100; |
| 174 std::string data; |
| 175 }; |
| 176 |
143 typedef std::vector<uint8> Packet; | 177 typedef std::vector<uint8> Packet; |
144 typedef std::vector<Packet> PacketList; | 178 typedef std::vector<Packet> PacketList; |
145 | 179 |
146 class PacketSender { | 180 class PacketSender { |
147 public: | 181 public: |
148 // All packets to be sent to the network will be delivered via these | 182 // All packets to be sent to the network will be delivered via these |
149 // functions. | 183 // functions. |
150 virtual bool SendPackets(const PacketList& packets) = 0; | 184 virtual bool SendPackets(const PacketList& packets) = 0; |
151 | 185 |
152 virtual bool SendPacket(const Packet& packet) = 0; | 186 virtual bool SendPacket(const Packet& packet) = 0; |
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167 virtual ~PacketReceiver() {} | 201 virtual ~PacketReceiver() {} |
168 | 202 |
169 private: | 203 private: |
170 friend class base::RefCountedThreadSafe<PacketReceiver>; | 204 friend class base::RefCountedThreadSafe<PacketReceiver>; |
171 }; | 205 }; |
172 | 206 |
173 } // namespace cast | 207 } // namespace cast |
174 } // namespace media | 208 } // namespace media |
175 | 209 |
176 #endif // MEDIA_CAST_CAST_CONFIG_H_ | 210 #endif // MEDIA_CAST_CAST_CONFIG_H_ |
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