Delete support for receiving RTCP RPSI and SLI messages.

webrtc/modules/rtp_rtcp/source/rtcp_packet/sli.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/sli.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/sli.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet/sli.cc
deleted file mode 100644
index 03689b374d0ceb14d68701c037c522389d22e884..0000000000000000000000000000000000000000
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet/sli.cc
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- *  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.
- */
-
-#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/sli.h"
-
-#include "webrtc/base/checks.h"
-#include "webrtc/base/logging.h"
-#include "webrtc/modules/rtp_rtcp/source/byte_io.h"
-#include "webrtc/modules/rtp_rtcp/source/rtcp_packet/common_header.h"
-
-namespace webrtc {
-namespace rtcp {
-constexpr uint8_t Sli::kFeedbackMessageType;
-// RFC 4585: Feedback format.
-//
-// Common packet format:
-//
-//   0                   1                   2                   3
-//   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |V=2|P|   FMT   |       PT      |          length               |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                  SSRC of packet sender                        |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |                  SSRC of media source                         |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  :            Feedback Control Information (FCI)                 :
-//  :                                                               :
-//
-// Slice loss indication (SLI) (RFC 4585).
-// FCI:
-//   0                   1                   2                   3
-//   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//  |            First        |        Number           | PictureID |
-//  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-Sli::Macroblocks::Macroblocks(uint8_t picture_id,
-                              uint16_t first,
-                              uint16_t number) {
-  RTC_DCHECK_LE(first, 0x1fff);
-  RTC_DCHECK_LE(number, 0x1fff);
-  RTC_DCHECK_LE(picture_id, 0x3f);
-  item_ = (first << 19) | (number << 6) | picture_id;
-}
-
-void Sli::Macroblocks::Parse(const uint8_t* buffer) {
-  item_ = ByteReader<uint32_t>::ReadBigEndian(buffer);
-}
-
-void Sli::Macroblocks::Create(uint8_t* buffer) const {
-  ByteWriter<uint32_t>::WriteBigEndian(buffer, item_);
-}
-
-bool Sli::Parse(const CommonHeader& packet) {
-  RTC_DCHECK_EQ(packet.type(), kPacketType);
-  RTC_DCHECK_EQ(packet.fmt(), kFeedbackMessageType);
-
-  if (packet.payload_size_bytes() <
-      kCommonFeedbackLength + Macroblocks::kLength) {
-    LOG(LS_WARNING) << "Packet is too small to be a valid SLI packet";
-    return false;
-  }
-
-  size_t number_of_items =
-      (packet.payload_size_bytes() - kCommonFeedbackLength) /
-      Macroblocks::kLength;
-
-  ParseCommonFeedback(packet.payload());
-  items_.resize(number_of_items);
-
-  const uint8_t* next_item = packet.payload() + kCommonFeedbackLength;
-  for (Macroblocks& item : items_) {
-    item.Parse(next_item);
-    next_item += Macroblocks::kLength;
-  }
-
-  return true;
-}
-
-bool Sli::Create(uint8_t* packet,
-                 size_t* index,
-                 size_t max_length,
-                 RtcpPacket::PacketReadyCallback* callback) const {
-  RTC_DCHECK(!items_.empty());
-  while (*index + BlockLength() > max_length) {
-    if (!OnBufferFull(packet, index, callback))
-      return false;
-  }
-  CreateHeader(kFeedbackMessageType, kPacketType, HeaderLength(), packet,
-               index);
-  CreateCommonFeedback(packet + *index);
-  *index += kCommonFeedbackLength;
-  for (const Macroblocks& item : items_) {
-    item.Create(packet + *index);
-    *index += Macroblocks::kLength;
-  }
-  return true;
-}
-
-}  // namespace rtcp
-}  // namespace webrtc