| /* |
| * Copyright 2012, 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 WIFI_DISPLAY_SOURCE_H_ |
| |
| #define WIFI_DISPLAY_SOURCE_H_ |
| |
| #include "VideoFormats.h" |
| |
| #include <media/stagefright/foundation/AHandler.h> |
| #include <media/stagefright/foundation/ANetworkSession.h> |
| |
| #include <netinet/in.h> |
| |
| #include <utils/String16.h> |
| |
| namespace android { |
| |
| struct AReplyToken; |
| struct IHDCP; |
| class IRemoteDisplayClient; |
| struct ParsedMessage; |
| |
| // Represents the RTSP server acting as a wifi display source. |
| // Manages incoming connections, sets up Playback sessions as necessary. |
| struct WifiDisplaySource : public AHandler { |
| static const unsigned kWifiDisplayDefaultPort = 7236; |
| |
| WifiDisplaySource( |
| const String16 &opPackageName, |
| const sp<ANetworkSession> &netSession, |
| const sp<IRemoteDisplayClient> &client, |
| const char *path = NULL); |
| |
| status_t start(const char *iface); |
| status_t stop(); |
| |
| status_t pause(); |
| status_t resume(); |
| |
| protected: |
| virtual ~WifiDisplaySource(); |
| virtual void onMessageReceived(const sp<AMessage> &msg); |
| |
| private: |
| struct PlaybackSession; |
| struct HDCPObserver; |
| |
| enum State { |
| INITIALIZED, |
| AWAITING_CLIENT_CONNECTION, |
| AWAITING_CLIENT_SETUP, |
| AWAITING_CLIENT_PLAY, |
| ABOUT_TO_PLAY, |
| PLAYING, |
| PLAYING_TO_PAUSED, |
| PAUSED, |
| PAUSED_TO_PLAYING, |
| AWAITING_CLIENT_TEARDOWN, |
| STOPPING, |
| STOPPED, |
| }; |
| |
| enum { |
| kWhatStart, |
| kWhatRTSPNotify, |
| kWhatStop, |
| kWhatPause, |
| kWhatResume, |
| kWhatReapDeadClients, |
| kWhatPlaybackSessionNotify, |
| kWhatKeepAlive, |
| kWhatHDCPNotify, |
| kWhatFinishStop2, |
| kWhatTeardownTriggerTimedOut, |
| }; |
| |
| struct ResponseID { |
| int32_t mSessionID; |
| int32_t mCSeq; |
| |
| bool operator<(const ResponseID &other) const { |
| return mSessionID < other.mSessionID |
| || (mSessionID == other.mSessionID |
| && mCSeq < other.mCSeq); |
| } |
| }; |
| |
| typedef status_t (WifiDisplaySource::*HandleRTSPResponseFunc)( |
| int32_t sessionID, const sp<ParsedMessage> &msg); |
| |
| static const int64_t kReaperIntervalUs = 1000000ll; |
| |
| // We request that the dongle send us a "TEARDOWN" in order to |
| // perform an orderly shutdown. We're willing to wait up to 2 secs |
| // for this message to arrive, after that we'll force a disconnect |
| // instead. |
| static const int64_t kTeardownTriggerTimeouSecs = 2; |
| |
| static const int64_t kPlaybackSessionTimeoutSecs = 30; |
| |
| static const int64_t kPlaybackSessionTimeoutUs = |
| kPlaybackSessionTimeoutSecs * 1000000ll; |
| |
| static const AString sUserAgent; |
| |
| String16 mOpPackageName; |
| |
| State mState; |
| VideoFormats mSupportedSourceVideoFormats; |
| sp<ANetworkSession> mNetSession; |
| sp<IRemoteDisplayClient> mClient; |
| AString mMediaPath; |
| struct in_addr mInterfaceAddr; |
| int32_t mSessionID; |
| |
| sp<AReplyToken> mStopReplyID; |
| |
| AString mWfdClientRtpPorts; |
| int32_t mChosenRTPPort; // extracted from "wfd_client_rtp_ports" |
| |
| bool mSinkSupportsVideo; |
| VideoFormats mSupportedSinkVideoFormats; |
| |
| VideoFormats::ResolutionType mChosenVideoResolutionType; |
| size_t mChosenVideoResolutionIndex; |
| VideoFormats::ProfileType mChosenVideoProfile; |
| VideoFormats::LevelType mChosenVideoLevel; |
| |
| bool mSinkSupportsAudio; |
| |
| bool mUsingPCMAudio; |
| int32_t mClientSessionID; |
| |
| struct ClientInfo { |
| AString mRemoteIP; |
| AString mLocalIP; |
| int32_t mLocalPort; |
| int32_t mPlaybackSessionID; |
| sp<PlaybackSession> mPlaybackSession; |
| }; |
| ClientInfo mClientInfo; |
| |
| bool mReaperPending; |
| |
| int32_t mNextCSeq; |
| |
| KeyedVector<ResponseID, HandleRTSPResponseFunc> mResponseHandlers; |
| |
| // HDCP specific section >>>> |
| bool mUsingHDCP; |
| bool mIsHDCP2_0; |
| int32_t mHDCPPort; |
| sp<IHDCP> mHDCP; |
| sp<HDCPObserver> mHDCPObserver; |
| |
| bool mHDCPInitializationComplete; |
| bool mSetupTriggerDeferred; |
| |
| bool mPlaybackSessionEstablished; |
| |
| status_t makeHDCP(); |
| // <<<< HDCP specific section |
| |
| status_t sendM1(int32_t sessionID); |
| status_t sendM3(int32_t sessionID); |
| status_t sendM4(int32_t sessionID); |
| |
| enum TriggerType { |
| TRIGGER_SETUP, |
| TRIGGER_TEARDOWN, |
| TRIGGER_PAUSE, |
| TRIGGER_PLAY, |
| }; |
| |
| // M5 |
| status_t sendTrigger(int32_t sessionID, TriggerType triggerType); |
| |
| status_t sendM16(int32_t sessionID); |
| |
| status_t onReceiveM1Response( |
| int32_t sessionID, const sp<ParsedMessage> &msg); |
| |
| status_t onReceiveM3Response( |
| int32_t sessionID, const sp<ParsedMessage> &msg); |
| |
| status_t onReceiveM4Response( |
| int32_t sessionID, const sp<ParsedMessage> &msg); |
| |
| status_t onReceiveM5Response( |
| int32_t sessionID, const sp<ParsedMessage> &msg); |
| |
| status_t onReceiveM16Response( |
| int32_t sessionID, const sp<ParsedMessage> &msg); |
| |
| void registerResponseHandler( |
| int32_t sessionID, int32_t cseq, HandleRTSPResponseFunc func); |
| |
| status_t onReceiveClientData(const sp<AMessage> &msg); |
| |
| status_t onOptionsRequest( |
| int32_t sessionID, |
| int32_t cseq, |
| const sp<ParsedMessage> &data); |
| |
| status_t onSetupRequest( |
| int32_t sessionID, |
| int32_t cseq, |
| const sp<ParsedMessage> &data); |
| |
| status_t onPlayRequest( |
| int32_t sessionID, |
| int32_t cseq, |
| const sp<ParsedMessage> &data); |
| |
| status_t onPauseRequest( |
| int32_t sessionID, |
| int32_t cseq, |
| const sp<ParsedMessage> &data); |
| |
| status_t onTeardownRequest( |
| int32_t sessionID, |
| int32_t cseq, |
| const sp<ParsedMessage> &data); |
| |
| status_t onGetParameterRequest( |
| int32_t sessionID, |
| int32_t cseq, |
| const sp<ParsedMessage> &data); |
| |
| status_t onSetParameterRequest( |
| int32_t sessionID, |
| int32_t cseq, |
| const sp<ParsedMessage> &data); |
| |
| void sendErrorResponse( |
| int32_t sessionID, |
| const char *errorDetail, |
| int32_t cseq); |
| |
| static void AppendCommonResponse( |
| AString *response, int32_t cseq, int32_t playbackSessionID = -1ll); |
| |
| void scheduleReaper(); |
| void scheduleKeepAlive(int32_t sessionID); |
| |
| int32_t makeUniquePlaybackSessionID() const; |
| |
| sp<PlaybackSession> findPlaybackSession( |
| const sp<ParsedMessage> &data, int32_t *playbackSessionID) const; |
| |
| void finishStop(); |
| void disconnectClientAsync(); |
| void disconnectClient2(); |
| void finishStopAfterDisconnectingClient(); |
| void finishStop2(); |
| |
| void finishPlay(); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(WifiDisplaySource); |
| }; |
| |
| } // namespace android |
| |
| #endif // WIFI_DISPLAY_SOURCE_H_ |