Delete support for receiving RTCP RPSI and SLI messages.

webrtc/modules/rtp_rtcp/source/rtcp_packet/sli.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_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_SLI_H_
-#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_SLI_H_
-
-#include <vector>
-
-#include "webrtc/base/basictypes.h"
-#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/psfb.h"
-
-namespace webrtc {
-namespace rtcp {
-class CommonHeader;
-
-// Slice loss indication (SLI) (RFC 4585).
-class Sli : public Psfb {
- public:
-  static constexpr uint8_t kFeedbackMessageType = 2;
-  class Macroblocks {
-   public:
-    static constexpr size_t kLength = 4;
-    Macroblocks() : item_(0) {}
-    Macroblocks(uint8_t picture_id, uint16_t first, uint16_t number);
-    ~Macroblocks() {}
-
-    void Parse(const uint8_t* buffer);
-    void Create(uint8_t* buffer) const;
-
-    uint16_t first() const { return item_ >> 19; }
-    uint16_t number() const { return (item_ >> 6) & 0x1fff; }
-    uint8_t picture_id() const { return (item_ & 0x3f); }
-
-   private:
-    uint32_t item_;
-  };
-
-  Sli() {}
-  ~Sli() override {}
-
-  // Parse assumes header is already parsed and validated.
-  bool Parse(const CommonHeader& packet);
-
-  void AddPictureId(uint8_t picture_id) {
-    items_.emplace_back(picture_id, 0, 0x1fff);
-  }
-  void AddPictureId(uint8_t picture_id,
-                    uint16_t first_macroblock,
-                    uint16_t number_macroblocks) {
-    items_.emplace_back(picture_id, first_macroblock, number_macroblocks);
-  }
-
-  const std::vector<Macroblocks>& macroblocks() const { return items_; }
-
- protected:
-  bool Create(uint8_t* packet,
-              size_t* index,
-              size_t max_length,
-              RtcpPacket::PacketReadyCallback* callback) const override;
-
- private:
-  size_t BlockLength() const override {
-    return RtcpPacket::kHeaderLength + Psfb::kCommonFeedbackLength +
-           items_.size() * Macroblocks::kLength;
-  }
-
-  std::vector<Macroblocks> items_;
-};
-
-}  // namespace rtcp
-}  // namespace webrtc
-#endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_SLI_H_