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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_VIDEO_PAYLOAD_ROUTER_H_ | 11 #ifndef WEBRTC_VIDEO_PAYLOAD_ROUTER_H_ |
12 #define WEBRTC_VIDEO_PAYLOAD_ROUTER_H_ | 12 #define WEBRTC_VIDEO_PAYLOAD_ROUTER_H_ |
13 | 13 |
14 #include <vector> | 14 #include <vector> |
15 | 15 |
16 #include "webrtc/base/constructormagic.h" | 16 #include "webrtc/base/constructormagic.h" |
17 #include "webrtc/base/criticalsection.h" | 17 #include "webrtc/base/criticalsection.h" |
18 #include "webrtc/base/thread_annotations.h" | 18 #include "webrtc/base/thread_annotations.h" |
19 #include "webrtc/common_types.h" | 19 #include "webrtc/common_types.h" |
20 #include "webrtc/video_encoder.h" | |
21 #include "webrtc/system_wrappers/include/atomic32.h" | 20 #include "webrtc/system_wrappers/include/atomic32.h" |
22 | 21 |
23 namespace webrtc { | 22 namespace webrtc { |
24 | 23 |
25 class RTPFragmentationHeader; | 24 class RTPFragmentationHeader; |
26 class RtpRtcp; | 25 class RtpRtcp; |
27 struct RTPVideoHeader; | 26 struct RTPVideoHeader; |
28 | 27 |
29 // PayloadRouter routes outgoing data to the correct sending RTP module, based | 28 // PayloadRouter routes outgoing data to the correct sending RTP module, based |
30 // on the simulcast layer in RTPVideoHeader. | 29 // on the simulcast layer in RTPVideoHeader. |
31 class PayloadRouter : public EncodedImageCallback { | 30 class PayloadRouter { |
32 public: | 31 public: |
33 // Rtp modules are assumed to be sorted in simulcast index order. | 32 // Rtp modules are assumed to be sorted in simulcast index order. |
34 explicit PayloadRouter(const std::vector<RtpRtcp*>& rtp_modules, | 33 explicit PayloadRouter(const std::vector<RtpRtcp*>& rtp_modules); |
35 int payload_type); | |
36 ~PayloadRouter(); | 34 ~PayloadRouter(); |
37 | 35 |
38 static size_t DefaultMaxPayloadLength(); | 36 static size_t DefaultMaxPayloadLength(); |
39 void SetSendingRtpModules(size_t num_sending_modules); | 37 void SetSendingRtpModules(size_t num_sending_modules); |
40 | 38 |
41 // PayloadRouter will only route packets if being active, all packets will be | 39 // PayloadRouter will only route packets if being active, all packets will be |
42 // dropped otherwise. | 40 // dropped otherwise. |
43 void set_active(bool active); | 41 void set_active(bool active); |
44 bool active(); | 42 bool active(); |
45 | 43 |
46 // Implements EncodedImageCallback. | 44 // Input parameters according to the signature of RtpRtcp::SendOutgoingData. |
47 // Returns 0 if the packet was routed / sent, -1 otherwise. | 45 // Returns true if the packet was routed / sent, false otherwise. |
48 int32_t Encoded(const EncodedImage& encoded_image, | 46 bool RoutePayload(FrameType frame_type, |
49 const CodecSpecificInfo* codec_specific_info, | 47 int8_t payload_type, |
50 const RTPFragmentationHeader* fragmentation) override; | 48 uint32_t time_stamp, |
| 49 int64_t capture_time_ms, |
| 50 const uint8_t* payload_data, |
| 51 size_t payload_size, |
| 52 const RTPFragmentationHeader* fragmentation, |
| 53 const RTPVideoHeader* rtp_video_hdr); |
51 | 54 |
52 // Configures current target bitrate per module. 'stream_bitrates' is assumed | 55 // Configures current target bitrate per module. 'stream_bitrates' is assumed |
53 // to be in the same order as 'SetSendingRtpModules'. | 56 // to be in the same order as 'SetSendingRtpModules'. |
54 void SetTargetSendBitrates(const std::vector<uint32_t>& stream_bitrates); | 57 void SetTargetSendBitrates(const std::vector<uint32_t>& stream_bitrates); |
55 | 58 |
56 // Returns the maximum allowed data payload length, given the configured MTU | 59 // Returns the maximum allowed data payload length, given the configured MTU |
57 // and RTP headers. | 60 // and RTP headers. |
58 size_t MaxPayloadLength() const; | 61 size_t MaxPayloadLength() const; |
59 | 62 |
60 private: | 63 private: |
61 void UpdateModuleSendingState() EXCLUSIVE_LOCKS_REQUIRED(crit_); | 64 void UpdateModuleSendingState() EXCLUSIVE_LOCKS_REQUIRED(crit_); |
62 | 65 |
63 rtc::CriticalSection crit_; | 66 rtc::CriticalSection crit_; |
64 bool active_ GUARDED_BY(crit_); | 67 bool active_ GUARDED_BY(crit_); |
65 size_t num_sending_modules_ GUARDED_BY(crit_); | 68 size_t num_sending_modules_ GUARDED_BY(crit_); |
66 | 69 |
67 // Rtp modules are assumed to be sorted in simulcast index order. Not owned. | 70 // Rtp modules are assumed to be sorted in simulcast index order. Not owned. |
68 const std::vector<RtpRtcp*> rtp_modules_; | 71 const std::vector<RtpRtcp*> rtp_modules_; |
69 const int payload_type_; | |
70 | 72 |
71 RTC_DISALLOW_COPY_AND_ASSIGN(PayloadRouter); | 73 RTC_DISALLOW_COPY_AND_ASSIGN(PayloadRouter); |
72 }; | 74 }; |
73 | 75 |
74 } // namespace webrtc | 76 } // namespace webrtc |
75 | 77 |
76 #endif // WEBRTC_VIDEO_PAYLOAD_ROUTER_H_ | 78 #endif // WEBRTC_VIDEO_PAYLOAD_ROUTER_H_ |
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