1 files changed, 97 insertions, 0 deletions
diff --git a/media/libstagefright/rtsp/ARTPConnection.h b/media/libstagefright/rtsp/ARTPConnection.h
new file mode 100644
index 0000000..edbcc35
--- /dev/null
+++ b/media/libstagefright/rtsp/ARTPConnection.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2010 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 A_RTP_CONNECTION_H_
+
+#define A_RTP_CONNECTION_H_
+
+#include <media/stagefright/foundation/AHandler.h>
+#include <utils/List.h>
+
+namespace android {
+
+struct ABuffer;
+struct ARTPSource;
+struct ASessionDescription;
+
+struct ARTPConnection : public AHandler {
+    enum Flags {
+        kRegularlyRequestFIR = 2,
+    };
+
+    ARTPConnection(uint32_t flags = 0);
+
+    void addStream(
+            int rtpSocket, int rtcpSocket,
+            const sp<ASessionDescription> &sessionDesc, size_t index,
+            const sp<AMessage> &notify,
+            bool injected);
+
+    void removeStream(int rtpSocket, int rtcpSocket);
+
+    void injectPacket(int index, const sp<ABuffer> &buffer);
+
+    // Creates a pair of UDP datagram sockets bound to adjacent ports
+    // (the rtpSocket is bound to an even port, the rtcpSocket to the
+    // next higher port).
+    static void MakePortPair(
+            int *rtpSocket, int *rtcpSocket, unsigned *rtpPort);
+
+protected:
+    virtual ~ARTPConnection();
+    virtual void onMessageReceived(const sp<AMessage> &msg);
+
+private:
+    enum {
+        kWhatAddStream,
+        kWhatRemoveStream,
+        kWhatPollStreams,
+        kWhatInjectPacket,
+    };
+
+    static const int64_t kSelectTimeoutUs;
+
+    uint32_t mFlags;
+
+    struct StreamInfo;
+    List<StreamInfo> mStreams;
+
+    bool mPollEventPending;
+    int64_t mLastReceiverReportTimeUs;
+
+    void onAddStream(const sp<AMessage> &msg);
+    void onRemoveStream(const sp<AMessage> &msg);
+    void onPollStreams();
+    void onInjectPacket(const sp<AMessage> &msg);
+    void onSendReceiverReports();
+
+    status_t receive(StreamInfo *info, bool receiveRTP);
+
+    status_t parseRTP(StreamInfo *info, const sp<ABuffer> &buffer);
+    status_t parseRTCP(StreamInfo *info, const sp<ABuffer> &buffer);
+    status_t parseSR(StreamInfo *info, const uint8_t *data, size_t size);
+    status_t parseBYE(StreamInfo *info, const uint8_t *data, size_t size);
+
+    sp<ARTPSource> findSource(StreamInfo *info, uint32_t id);
+
+    void postPollEvent();
+
+    DISALLOW_EVIL_CONSTRUCTORS(ARTPConnection);
+};
+
+}  // namespace android
+
+#endif  // A_RTP_CONNECTION_H_