Move talk/media to webrtc/media

talk/media/base/rtpdataengine.h

-/*
- * libjingle
- * Copyright 2012 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef TALK_MEDIA_BASE_RTPDATAENGINE_H_
-#define TALK_MEDIA_BASE_RTPDATAENGINE_H_
-
-#include <string>
-#include <vector>
-
-#include "talk/media/base/constants.h"
-#include "talk/media/base/mediachannel.h"
-#include "talk/media/base/mediaengine.h"
-#include "webrtc/base/timing.h"
-
-namespace cricket {
-
-struct DataCodec;
-
-class RtpDataEngine : public DataEngineInterface {
- public:
-  RtpDataEngine();
-
-  virtual DataMediaChannel* CreateChannel(DataChannelType data_channel_type);
-
-  virtual const std::vector<DataCodec>& data_codecs() {
-    return data_codecs_;
-  }
-
-  // Mostly for testing with a fake clock.  Ownership is passed in.
-  void SetTiming(rtc::Timing* timing) {
-    timing_.reset(timing);
-  }
-
- private:
-  std::vector<DataCodec> data_codecs_;
-  rtc::scoped_ptr<rtc::Timing> timing_;
-};
-
-// Keep track of sequence number and timestamp of an RTP stream.  The
-// sequence number starts with a "random" value and increments.  The
-// timestamp starts with a "random" value and increases monotonically
-// according to the clockrate.
-class RtpClock {
- public:
-  RtpClock(int clockrate, uint16_t first_seq_num, uint32_t timestamp_offset)
-      : clockrate_(clockrate),
-        last_seq_num_(first_seq_num),
-        timestamp_offset_(timestamp_offset) {}
-
-  // Given the current time (in number of seconds which must be
-  // monotonically increasing), Return the next sequence number and
-  // timestamp.
-  void Tick(double now, int* seq_num, uint32_t* timestamp);
-
- private:
-  int clockrate_;
-  uint16_t last_seq_num_;
-  uint32_t timestamp_offset_;
-};
-
-class RtpDataMediaChannel : public DataMediaChannel {
- public:
-  // Timing* Used for the RtpClock
-  explicit RtpDataMediaChannel(rtc::Timing* timing);
-  // Sets Timing == NULL, so you'll need to call set_timer() before
-  // using it.  This is needed by FakeMediaEngine.
-  RtpDataMediaChannel();
-  virtual ~RtpDataMediaChannel();
-
-  void set_timing(rtc::Timing* timing) {
-    timing_ = timing;
-  }
-
-  virtual bool SetSendParameters(const DataSendParameters& params);
-  virtual bool SetRecvParameters(const DataRecvParameters& params);
-  virtual bool AddSendStream(const StreamParams& sp);
-  virtual bool RemoveSendStream(uint32_t ssrc);
-  virtual bool AddRecvStream(const StreamParams& sp);
-  virtual bool RemoveRecvStream(uint32_t ssrc);
-  virtual bool SetSend(bool send) {
-    sending_ = send;
-    return true;
-  }
-  virtual bool SetReceive(bool receive) {
-    receiving_ = receive;
-    return true;
-  }
-  virtual void OnPacketReceived(rtc::Buffer* packet,
-                                const rtc::PacketTime& packet_time);
-  virtual void OnRtcpReceived(rtc::Buffer* packet,
-                              const rtc::PacketTime& packet_time) {}
-  virtual void OnReadyToSend(bool ready) {}
-  virtual bool SendData(
-    const SendDataParams& params,
-    const rtc::Buffer& payload,
-    SendDataResult* result);
-
- private:
-  void Construct(rtc::Timing* timing);
-  bool SetMaxSendBandwidth(int bps);
-  bool SetSendCodecs(const std::vector<DataCodec>& codecs);
-  bool SetRecvCodecs(const std::vector<DataCodec>& codecs);
-
-  bool sending_;
-  bool receiving_;
-  rtc::Timing* timing_;
-  std::vector<DataCodec> send_codecs_;
-  std::vector<DataCodec> recv_codecs_;
-  std::vector<StreamParams> send_streams_;
-  std::vector<StreamParams> recv_streams_;
-  std::map<uint32_t, RtpClock*> rtp_clock_by_send_ssrc_;
-  rtc::scoped_ptr<rtc::RateLimiter> send_limiter_;
-};
-
-}  // namespace cricket
-
-#endif  // TALK_MEDIA_BASE_RTPDATAENGINE_H_