1 files changed, 111 insertions, 0 deletions
diff --git a/media/libstagefright/wifi-display/MediaReceiver.h b/media/libstagefright/wifi-display/MediaReceiver.h
new file mode 100644
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+++ b/media/libstagefright/wifi-display/MediaReceiver.h
@@ -0,0 +1,111 @@
+/*
+ * 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.
+ */
+
+#include <media/stagefright/foundation/AHandler.h>
+
+#include "ATSParser.h"
+#include "rtp/RTPReceiver.h"
+
+namespace android {
+
+struct ABuffer;
+struct ANetworkSession;
+struct AMessage;
+struct ATSParser;
+
+// This class facilitates receiving of media data for one or more tracks
+// over RTP. Either a 1:1 track to RTP channel mapping is used or a single
+// RTP channel provides the data for a transport stream that is consequently
+// demuxed and its track's data provided to the observer.
+struct MediaReceiver : public AHandler {
+    enum {
+        kWhatInitDone,
+        kWhatError,
+        kWhatAccessUnit,
+        kWhatPacketLost,
+    };
+
+    MediaReceiver(
+            const sp<ANetworkSession> &netSession,
+            const sp<AMessage> &notify);
+
+    ssize_t addTrack(
+            RTPReceiver::TransportMode rtpMode,
+            RTPReceiver::TransportMode rtcpMode,
+            int32_t *localRTPPort);
+
+    status_t connectTrack(
+            size_t trackIndex,
+            const char *remoteHost,
+            int32_t remoteRTPPort,
+            int32_t remoteRTCPPort);
+
+    enum Mode {
+        MODE_UNDEFINED,
+        MODE_TRANSPORT_STREAM,
+        MODE_TRANSPORT_STREAM_RAW,
+        MODE_ELEMENTARY_STREAMS,
+    };
+    status_t initAsync(Mode mode);
+
+    status_t informSender(size_t trackIndex, const sp<AMessage> &params);
+
+protected:
+    virtual void onMessageReceived(const sp<AMessage> &msg);
+    virtual ~MediaReceiver();
+
+private:
+    enum {
+        kWhatInit,
+        kWhatReceiverNotify,
+    };
+
+    struct TrackInfo {
+        sp<RTPReceiver> mReceiver;
+    };
+
+    sp<ANetworkSession> mNetSession;
+    sp<AMessage> mNotify;
+
+    Mode mMode;
+    int32_t mGeneration;
+
+    Vector<TrackInfo> mTrackInfos;
+
+    status_t mInitStatus;
+    size_t mInitDoneCount;
+
+    sp<ATSParser> mTSParser;
+    uint32_t mFormatKnownMask;
+
+    void onReceiverNotify(const sp<AMessage> &msg);
+
+    void drainPackets(size_t trackIndex, ATSParser::SourceType type);
+
+    void notifyInitDone(status_t err);
+    void notifyError(status_t err);
+    void notifyPacketLost();
+
+    void postAccessUnit(
+            size_t trackIndex,
+            const sp<ABuffer> &accessUnit,
+            const sp<AMessage> &format);
+
+    DISALLOW_EVIL_CONSTRUCTORS(MediaReceiver);
+};
+
+}  // namespace android
+