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Diffstat (limited to 'media/libstagefright/wifi-display/MediaSender.h')
-rw-r--r-- | media/libstagefright/wifi-display/MediaSender.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/media/libstagefright/wifi-display/MediaSender.h b/media/libstagefright/wifi-display/MediaSender.h new file mode 100644 index 0000000..04538ea --- /dev/null +++ b/media/libstagefright/wifi-display/MediaSender.h @@ -0,0 +1,132 @@ +/* + * 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 MEDIA_SENDER_H_ + +#define MEDIA_SENDER_H_ + +#include "rtp/RTPSender.h" + +#include <media/stagefright/foundation/ABase.h> +#include <media/stagefright/foundation/AHandler.h> +#include <utils/Errors.h> +#include <utils/Vector.h> + +namespace android { + +struct ABuffer; +struct ANetworkSession; +struct AMessage; +struct IHDCP; +struct TSPacketizer; + +// This class facilitates sending of data from one or more media tracks +// through one or more RTP channels, either providing a 1:1 mapping from +// track to RTP channel or muxing all tracks into a single RTP channel and +// using transport stream encapsulation. +// Optionally the (video) data is encrypted using the provided hdcp object. +struct MediaSender : public AHandler { + enum { + kWhatInitDone, + kWhatError, + kWhatNetworkStall, + kWhatInformSender, + }; + + MediaSender( + const sp<ANetworkSession> &netSession, + const sp<AMessage> ¬ify); + + status_t setHDCP(const sp<IHDCP> &hdcp); + + enum FlagBits { + FLAG_MANUALLY_PREPEND_SPS_PPS = 1, + }; + ssize_t addTrack(const sp<AMessage> &format, uint32_t flags); + + // If trackIndex == -1, initialize for transport stream muxing. + status_t initAsync( + ssize_t trackIndex, + const char *remoteHost, + int32_t remoteRTPPort, + RTPSender::TransportMode rtpMode, + int32_t remoteRTCPPort, + RTPSender::TransportMode rtcpMode, + int32_t *localRTPPort); + + status_t queueAccessUnit( + size_t trackIndex, const sp<ABuffer> &accessUnit); + +protected: + virtual void onMessageReceived(const sp<AMessage> &msg); + virtual ~MediaSender(); + +private: + enum { + kWhatSenderNotify, + }; + + enum Mode { + MODE_UNDEFINED, + MODE_TRANSPORT_STREAM, + MODE_ELEMENTARY_STREAMS, + }; + + struct TrackInfo { + sp<AMessage> mFormat; + uint32_t mFlags; + sp<RTPSender> mSender; + List<sp<ABuffer> > mAccessUnits; + ssize_t mPacketizerTrackIndex; + bool mIsAudio; + }; + + sp<ANetworkSession> mNetSession; + sp<AMessage> mNotify; + + sp<IHDCP> mHDCP; + + Mode mMode; + int32_t mGeneration; + + Vector<TrackInfo> mTrackInfos; + + sp<TSPacketizer> mTSPacketizer; + sp<RTPSender> mTSSender; + int64_t mPrevTimeUs; + + size_t mInitDoneCount; + + FILE *mLogFile; + + void onSenderNotify(const sp<AMessage> &msg); + + void notifyInitDone(status_t err); + void notifyError(status_t err); + void notifyNetworkStall(size_t numBytesQueued); + + status_t packetizeAccessUnit( + size_t trackIndex, + sp<ABuffer> accessUnit, + sp<ABuffer> *tsPackets); + + DISALLOW_EVIL_CONSTRUCTORS(MediaSender); +}; + +} // namespace android + +#endif // MEDIA_SENDER_H_ + |