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| 1 /* | |
| 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 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 | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #ifndef WEBRTC_VOICE_ENGINE_TEST_AUTO_TEST_FAKES_CONFERENCE_TRANSPORT_H_ | |
| 12 #define WEBRTC_VOICE_ENGINE_TEST_AUTO_TEST_FAKES_CONFERENCE_TRANSPORT_H_ | |
| 13 | |
| 14 #include <deque> | |
| 15 #include <map> | |
| 16 #include <memory> | |
| 17 #include <utility> | |
| 18 | |
| 19 #include "webrtc/common_types.h" | |
| 20 #include "webrtc/modules/rtp_rtcp/include/rtp_header_parser.h" | |
| 21 #include "webrtc/rtc_base/basictypes.h" | |
| 22 #include "webrtc/rtc_base/criticalsection.h" | |
| 23 #include "webrtc/rtc_base/platform_thread.h" | |
| 24 #include "webrtc/system_wrappers/include/event_wrapper.h" | |
| 25 #include "webrtc/test/gtest.h" | |
| 26 #include "webrtc/voice_engine/include/voe_base.h" | |
| 27 #include "webrtc/voice_engine/include/voe_codec.h" | |
| 28 #include "webrtc/voice_engine/include/voe_file.h" | |
| 29 #include "webrtc/voice_engine/include/voe_network.h" | |
| 30 #include "webrtc/voice_engine/include/voe_rtp_rtcp.h" | |
| 31 #include "webrtc/voice_engine/test/auto_test/fakes/loudest_filter.h" | |
| 32 | |
| 33 namespace webrtc { | |
| 34 namespace voetest { | |
| 35 | |
| 36 static const size_t kMaxPacketSizeByte = 1500; | |
| 37 | |
| 38 // This class is to simulate a conference call. There are two Voice Engines, one | |
| 39 // for local channels and the other for remote channels. There is a simulated | |
| 40 // reflector, which exchanges RTCP with local channels. For simplicity, it | |
| 41 // also uses the Voice Engine for remote channels. One can add streams by | |
| 42 // calling AddStream(), which creates a remote sender channel and a local | |
| 43 // receive channel. The remote sender channel plays a file as microphone in a | |
| 44 // looped fashion. Received streams are mixed and played. | |
| 45 | |
| 46 class ConferenceTransport: public webrtc::Transport { | |
| 47 public: | |
| 48 ConferenceTransport(); | |
| 49 virtual ~ConferenceTransport(); | |
| 50 | |
| 51 /* SetRtt() | |
| 52 * Set RTT between local channels and reflector. | |
| 53 * | |
| 54 * Input: | |
| 55 * rtt_ms : RTT in milliseconds. | |
| 56 */ | |
| 57 void SetRtt(unsigned int rtt_ms); | |
| 58 | |
| 59 /* AddStream() | |
| 60 * Adds a stream in the conference. | |
| 61 * | |
| 62 * Input: | |
| 63 * file_name : name of the file to be added as microphone input. | |
| 64 * format : format of the input file. | |
| 65 * | |
| 66 * Returns stream id. | |
| 67 */ | |
| 68 unsigned int AddStream(std::string file_name, webrtc::FileFormats format); | |
| 69 | |
| 70 /* RemoveStream() | |
| 71 * Removes a stream with specified ID from the conference. | |
| 72 * | |
| 73 * Input: | |
| 74 * id : stream id. | |
| 75 * | |
| 76 * Returns false if the specified stream does not exist, true if succeeds. | |
| 77 */ | |
| 78 bool RemoveStream(unsigned int id); | |
| 79 | |
| 80 /* StartPlayout() | |
| 81 * Starts playing out the stream with specified ID, using the default device. | |
| 82 * | |
| 83 * Input: | |
| 84 * id : stream id. | |
| 85 * | |
| 86 * Returns false if the specified stream does not exist, true if succeeds. | |
| 87 */ | |
| 88 bool StartPlayout(unsigned int id); | |
| 89 | |
| 90 /* GetReceiverStatistics() | |
| 91 * Gets RTCP statistics of the stream with specified ID. | |
| 92 * | |
| 93 * Input: | |
| 94 * id : stream id; | |
| 95 * stats : pointer to a CallStatistics to store the result. | |
| 96 * | |
| 97 * Returns false if the specified stream does not exist, true if succeeds. | |
| 98 */ | |
| 99 bool GetReceiverStatistics(unsigned int id, webrtc::CallStatistics* stats); | |
| 100 | |
| 101 // Inherit from class webrtc::Transport. | |
| 102 bool SendRtp(const uint8_t* data, | |
| 103 size_t len, | |
| 104 const webrtc::PacketOptions& options) override; | |
| 105 bool SendRtcp(const uint8_t *data, size_t len) override; | |
| 106 | |
| 107 private: | |
| 108 struct Packet { | |
| 109 enum Type { Rtp, Rtcp, } type_; | |
| 110 | |
| 111 Packet() : len_(0) {} | |
| 112 Packet(Type type, const void* data, size_t len, int64_t time_ms) | |
| 113 : type_(type), len_(len), send_time_ms_(time_ms) { | |
| 114 EXPECT_LE(len_, kMaxPacketSizeByte); | |
| 115 memcpy(data_, data, len_); | |
| 116 } | |
| 117 | |
| 118 uint8_t data_[kMaxPacketSizeByte]; | |
| 119 size_t len_; | |
| 120 int64_t send_time_ms_; | |
| 121 }; | |
| 122 | |
| 123 static bool Run(void* transport) { | |
| 124 return static_cast<ConferenceTransport*>(transport)->DispatchPackets(); | |
| 125 } | |
| 126 | |
| 127 int GetReceiverChannelForSsrc(unsigned int sender_ssrc) const; | |
| 128 void StorePacket(Packet::Type type, const void* data, size_t len); | |
| 129 void SendPacket(const Packet& packet); | |
| 130 bool DispatchPackets(); | |
| 131 | |
| 132 rtc::CriticalSection pq_crit_; | |
| 133 rtc::CriticalSection stream_crit_; | |
| 134 const std::unique_ptr<webrtc::EventWrapper> packet_event_; | |
| 135 rtc::PlatformThread thread_; | |
| 136 | |
| 137 unsigned int rtt_ms_; | |
| 138 unsigned int stream_count_; | |
| 139 | |
| 140 std::map<unsigned int, std::pair<int, int>> streams_ | |
| 141 RTC_GUARDED_BY(stream_crit_); | |
| 142 std::deque<Packet> packet_queue_ RTC_GUARDED_BY(pq_crit_); | |
| 143 | |
| 144 int local_sender_; // Channel Id of local sender | |
| 145 int reflector_; | |
| 146 | |
| 147 webrtc::VoiceEngine* local_voe_; | |
| 148 webrtc::VoEBase* local_base_; | |
| 149 webrtc::VoERTP_RTCP* local_rtp_rtcp_; | |
| 150 webrtc::VoENetwork* local_network_; | |
| 151 rtc::scoped_refptr<webrtc::AudioProcessing> local_apm_; | |
| 152 | |
| 153 webrtc::VoiceEngine* remote_voe_; | |
| 154 webrtc::VoEBase* remote_base_; | |
| 155 webrtc::VoECodec* remote_codec_; | |
| 156 webrtc::VoERTP_RTCP* remote_rtp_rtcp_; | |
| 157 webrtc::VoENetwork* remote_network_; | |
| 158 webrtc::VoEFile* remote_file_; | |
| 159 rtc::scoped_refptr<webrtc::AudioProcessing> remote_apm_; | |
| 160 LoudestFilter loudest_filter_; | |
| 161 | |
| 162 const std::unique_ptr<webrtc::RtpHeaderParser> rtp_header_parser_; | |
| 163 }; | |
| 164 | |
| 165 } // namespace voetest | |
| 166 } // namespace webrtc | |
| 167 | |
| 168 #endif // WEBRTC_VOICE_ENGINE_TEST_AUTO_TEST_FAKES_CONFERENCE_TRANSPORT_H_ | |
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