| 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
|
|
|