Move FlexfecReceiveStream from api/call/ to call/.

webrtc/api/call/flexfec_receive_stream.h

-/*
- *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_API_CALL_FLEXFEC_RECEIVE_STREAM_H_
-#define WEBRTC_API_CALL_FLEXFEC_RECEIVE_STREAM_H_
-
-#include <string>
-#include <vector>
-
-#include "webrtc/api/call/transport.h"
-#include "webrtc/config.h"
-
-namespace webrtc {
-
-// WORK IN PROGRESS!
-// This class is under development and it is not yet intended for use outside
-// of WebRTC.
-//
-// TODO(brandtr): Remove this comment when FlexFEC is ready for public use.
-
-class FlexfecReceiveStream {
- public:
-  struct Stats {
-    std::string ToString(int64_t time_ms) const;
-
-    // TODO(brandtr): Add appropriate stats here.
-    int flexfec_bitrate_bps;
-  };
-
-  struct Config {
-    std::string ToString() const;
-
-    // Payload type for FlexFEC.
-    int payload_type = -1;
-
-    // SSRC for FlexFEC stream to be received.
-    uint32_t remote_ssrc = 0;
-
-    // Vector containing a single element, corresponding to the SSRC of the
-    // media stream being protected by this FlexFEC stream. The vector MUST have
-    // size 1.
-    //
-    // TODO(brandtr): Update comment above when we support multistream
-    // protection.
-    std::vector<uint32_t> protected_media_ssrcs;
-
-    // SSRC for RTCP reports to be sent.
-    uint32_t local_ssrc = 0;
-
-    // What RTCP mode to use in the reports.
-    RtcpMode rtcp_mode = RtcpMode::kCompound;
-
-    // Transport for outgoing RTCP packets.
-    Transport* rtcp_send_transport = nullptr;
-
-    // |transport_cc| is true whenever the send-side BWE RTCP feedback message
-    // has been negotiated. This is a prerequisite for enabling send-side BWE.
-    bool transport_cc = false;
-
-    // RTP header extensions that have been negotiated for this track.
-    std::vector<RtpExtension> extensions;
-  };
-
-  // Starts stream activity.
-  // When a stream is active, it can receive and process packets.
-  virtual void Start() = 0;
-  // Stops stream activity.
-  // When a stream is stopped, it can't receive nor process packets.
-  virtual void Stop() = 0;
-
-  virtual Stats GetStats() const = 0;
-
- protected:
-  virtual ~FlexfecReceiveStream() = default;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_API_CALL_FLEXFEC_RECEIVE_STREAM_H_