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Unified Diff: media/cast/net/rtcp/rtcp_builder.cc

Issue 495203002: Delete some dead files (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 4 months ago
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Index: media/cast/net/rtcp/rtcp_builder.cc
diff --git a/media/cast/net/rtcp/rtcp_builder.cc b/media/cast/net/rtcp/rtcp_builder.cc
deleted file mode 100644
index f2626d3582d71d8bbf6d1a07af9c5d6d0cc970ae..0000000000000000000000000000000000000000
--- a/media/cast/net/rtcp/rtcp_builder.cc
+++ /dev/null
@@ -1,123 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "media/cast/net/rtcp/rtcp_builder.h"
-
-#include <algorithm>
-#include <string>
-#include <vector>
-
-#include "base/big_endian.h"
-#include "base/logging.h"
-#include "media/cast/net/cast_transport_defines.h"
-#include "media/cast/net/pacing/paced_sender.h"
-
-namespace media {
-namespace cast {
-
-RtcpBuilder::RtcpBuilder(PacedSender* const outgoing_transport)
- : transport_(outgoing_transport),
- ssrc_(0) {
-}
-
-RtcpBuilder::~RtcpBuilder() {}
-
-void RtcpBuilder::SendRtcpFromRtpSender(
- uint32 packet_type_flags,
- const RtcpSenderInfo& sender_info,
- const RtcpDlrrReportBlock& dlrr,
- uint32 sending_ssrc) {
- if (packet_type_flags & kRtcpRr ||
- packet_type_flags & kRtcpRrtr ||
- packet_type_flags & kRtcpCast ||
- packet_type_flags & kRtcpReceiverLog ||
- packet_type_flags & kRtcpNack) {
- NOTREACHED() << "Invalid argument";
- }
- ssrc_ = sending_ssrc;
- PacketRef packet(new base::RefCountedData<Packet>);
- packet->data.reserve(kMaxIpPacketSize);
- if (packet_type_flags & kRtcpSr) {
- if (!BuildSR(sender_info, &packet->data)) return;
- if (!BuildSdec(&packet->data)) return;
- }
- if (packet_type_flags & kRtcpDlrr) {
- if (!BuildDlrrRb(dlrr, &packet->data)) return;
- }
- if (packet->data.empty())
- return; // Sanity - don't send empty packets.
-
- transport_->SendRtcpPacket(ssrc_, packet);
-}
-
-bool RtcpBuilder::BuildSR(const RtcpSenderInfo& sender_info,
- Packet* packet) const {
- // Sender report.
- size_t start_size = packet->size();
- if (start_size + 52 > kMaxIpPacketSize) {
- DLOG(FATAL) << "Not enough buffer space";
- return false;
- }
-
- uint16 number_of_rows = 6;
- packet->resize(start_size + 28);
-
- base::BigEndianWriter big_endian_writer(
- reinterpret_cast<char*>(&((*packet)[start_size])), 28);
- big_endian_writer.WriteU8(0x80);
- big_endian_writer.WriteU8(kPacketTypeSenderReport);
- big_endian_writer.WriteU16(number_of_rows);
- big_endian_writer.WriteU32(ssrc_);
- big_endian_writer.WriteU32(sender_info.ntp_seconds);
- big_endian_writer.WriteU32(sender_info.ntp_fraction);
- big_endian_writer.WriteU32(sender_info.rtp_timestamp);
- big_endian_writer.WriteU32(sender_info.send_packet_count);
- big_endian_writer.WriteU32(static_cast<uint32>(sender_info.send_octet_count));
- return true;
-}
-
-/*
- 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|reserved | PT=XR=207 | length |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | SSRC |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | BT=5 | reserved | block length |
- +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
- | SSRC_1 (SSRC of first receiver) | sub-
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ block
- | last RR (LRR) | 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | delay since last RR (DLRR) |
- +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-*/
-bool RtcpBuilder::BuildDlrrRb(const RtcpDlrrReportBlock& dlrr,
- Packet* packet) const {
- size_t start_size = packet->size();
- if (start_size + 24 > kMaxIpPacketSize) {
- DLOG(FATAL) << "Not enough buffer space";
- return false;
- }
-
- packet->resize(start_size + 24);
-
- base::BigEndianWriter big_endian_writer(
- reinterpret_cast<char*>(&((*packet)[start_size])), 24);
- big_endian_writer.WriteU8(0x80);
- big_endian_writer.WriteU8(kPacketTypeXr);
- big_endian_writer.WriteU16(5); // Length.
- big_endian_writer.WriteU32(ssrc_); // Add our own SSRC.
- big_endian_writer.WriteU8(5); // Add block type.
- big_endian_writer.WriteU8(0); // Add reserved.
- big_endian_writer.WriteU16(3); // Block length.
- big_endian_writer.WriteU32(ssrc_); // Add the media (received RTP) SSRC.
- big_endian_writer.WriteU32(dlrr.last_rr);
- big_endian_writer.WriteU32(dlrr.delay_since_last_rr);
- return true;
-}
-
-} // namespace cast
-} // namespace media
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