| /* |
| * Copyright 2013, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef RTP_SENDER_H_ |
| |
| #define RTP_SENDER_H_ |
| |
| #include "RTPBase.h" |
| |
| #include <media/stagefright/foundation/AHandler.h> |
| |
| namespace android { |
| |
| struct ABuffer; |
| struct ANetworkSession; |
| |
| // An object of this class facilitates sending of media data over an RTP |
| // channel. The channel is established over a UDP or TCP connection depending |
| // on which "TransportMode" was chosen. In addition different RTP packetization |
| // schemes are supported such as "Transport Stream Packets over RTP", |
| // or "AVC/H.264 encapsulation as specified in RFC 3984 (non-interleaved mode)" |
| struct RTPSender : public RTPBase, public AHandler { |
| enum { |
| kWhatInitDone, |
| kWhatError, |
| kWhatNetworkStall, |
| kWhatInformSender, |
| }; |
| RTPSender( |
| const sp<ANetworkSession> &netSession, |
| const sp<AMessage> ¬ify); |
| |
| status_t initAsync( |
| const char *remoteHost, |
| int32_t remoteRTPPort, |
| TransportMode rtpMode, |
| int32_t remoteRTCPPort, |
| TransportMode rtcpMode, |
| int32_t *outLocalRTPPort); |
| |
| status_t queueBuffer( |
| const sp<ABuffer> &buffer, |
| uint8_t packetType, |
| PacketizationMode mode); |
| |
| protected: |
| virtual ~RTPSender(); |
| virtual void onMessageReceived(const sp<AMessage> &msg); |
| |
| private: |
| enum { |
| kWhatRTPNotify, |
| kWhatRTCPNotify, |
| }; |
| |
| const unsigned int kMaxNumTSPacketsPerRTPPacket = (kMaxUDPPacketSize - 12) / 188; |
| const unsigned int kMaxHistorySize = 1024; |
| const unsigned int kSourceID = 0xdeadbeef; |
| |
| sp<ANetworkSession> mNetSession; |
| sp<AMessage> mNotify; |
| TransportMode mRTPMode; |
| TransportMode mRTCPMode; |
| int32_t mRTPSessionID; |
| int32_t mRTCPSessionID; |
| bool mRTPConnected; |
| bool mRTCPConnected; |
| |
| uint64_t mLastNTPTime; |
| uint32_t mLastRTPTime; |
| uint32_t mNumRTPSent; |
| uint32_t mNumRTPOctetsSent; |
| uint32_t mNumSRsSent; |
| |
| uint32_t mRTPSeqNo; |
| |
| List<sp<ABuffer> > mHistory; |
| size_t mHistorySize; |
| |
| static uint64_t GetNowNTP(); |
| |
| status_t queueRawPacket(const sp<ABuffer> &tsPackets, uint8_t packetType); |
| status_t queueTSPackets(const sp<ABuffer> &tsPackets, uint8_t packetType); |
| status_t queueAVCBuffer(const sp<ABuffer> &accessUnit, uint8_t packetType); |
| |
| status_t sendRTPPacket( |
| const sp<ABuffer> &packet, bool storeInHistory, |
| bool timeValid = false, int64_t timeUs = -1ll); |
| |
| void onNetNotify(bool isRTP, const sp<AMessage> &msg); |
| |
| status_t onRTCPData(const sp<ABuffer> &data); |
| status_t parseReceiverReport(const uint8_t *data, size_t size); |
| status_t parseTSFB(const uint8_t *data, size_t size); |
| status_t parseAPP(const uint8_t *data, size_t size); |
| |
| void notifyInitDone(status_t err); |
| void notifyError(status_t err); |
| void notifyNetworkStall(size_t numBytesQueued); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(RTPSender); |
| }; |
| |
| } // namespace android |
| |
| #endif // RTP_SENDER_H_ |