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Unified Diff: media/cast/rtcp/test_rtcp_packet_builder.cc

Issue 388663003: Cast: Reshuffle files under media/cast (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: missing includes Created 6 years, 5 months ago
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Index: media/cast/rtcp/test_rtcp_packet_builder.cc
diff --git a/media/cast/rtcp/test_rtcp_packet_builder.cc b/media/cast/rtcp/test_rtcp_packet_builder.cc
deleted file mode 100644
index 76fa7642b81271d6bbf1a9124a68d0c3479c4ec8..0000000000000000000000000000000000000000
--- a/media/cast/rtcp/test_rtcp_packet_builder.cc
+++ /dev/null
@@ -1,269 +0,0 @@
-// Copyright 2013 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/rtcp/test_rtcp_packet_builder.h"
-
-#include "base/logging.h"
-#include "media/cast/rtcp/rtcp_utility.h"
-
-namespace media {
-namespace cast {
-
-TestRtcpPacketBuilder::TestRtcpPacketBuilder()
- : ptr_of_length_(NULL),
- big_endian_writer_(reinterpret_cast<char*>(buffer_), kMaxIpPacketSize) {}
-
-void TestRtcpPacketBuilder::AddSr(uint32 sender_ssrc,
- int number_of_report_blocks) {
- AddRtcpHeader(200, number_of_report_blocks);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(kNtpHigh); // NTP timestamp.
- big_endian_writer_.WriteU32(kNtpLow);
- big_endian_writer_.WriteU32(kRtpTimestamp);
- big_endian_writer_.WriteU32(kSendPacketCount);
- big_endian_writer_.WriteU32(kSendOctetCount);
-}
-
-void TestRtcpPacketBuilder::AddSrWithNtp(uint32 sender_ssrc,
- uint32 ntp_high,
- uint32 ntp_low,
- uint32 rtp_timestamp) {
- AddRtcpHeader(200, 0);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(ntp_high);
- big_endian_writer_.WriteU32(ntp_low);
- big_endian_writer_.WriteU32(rtp_timestamp);
- big_endian_writer_.WriteU32(kSendPacketCount);
- big_endian_writer_.WriteU32(kSendOctetCount);
-}
-
-void TestRtcpPacketBuilder::AddRr(uint32 sender_ssrc,
- int number_of_report_blocks) {
- AddRtcpHeader(201, number_of_report_blocks);
- big_endian_writer_.WriteU32(sender_ssrc);
-}
-
-void TestRtcpPacketBuilder::AddRb(uint32 rtp_ssrc) {
- big_endian_writer_.WriteU32(rtp_ssrc);
- big_endian_writer_.WriteU32(kLoss);
- big_endian_writer_.WriteU32(kExtendedMax);
- big_endian_writer_.WriteU32(kTestJitter);
- big_endian_writer_.WriteU32(kLastSr);
- big_endian_writer_.WriteU32(kDelayLastSr);
-}
-
-void TestRtcpPacketBuilder::AddSdesCname(uint32 sender_ssrc,
- const std::string& c_name) {
- AddRtcpHeader(202, 1);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU8(1); // c_name.
-
- DCHECK_LE(c_name.size(), 255u);
- big_endian_writer_.WriteU8(
- static_cast<uint8>(c_name.size())); // c_name length in bytes.
- for (size_t i = 0; i < c_name.size(); ++i) {
- big_endian_writer_.WriteU8(c_name.c_str()[i]);
- }
- const int padding = 4 - ((c_name.size() + 2) % 4);
- for (int j = 0; j < padding; ++j) {
- big_endian_writer_.WriteU8(0);
- }
-}
-
-void TestRtcpPacketBuilder::AddXrHeader(uint32 sender_ssrc) {
- AddRtcpHeader(207, 0);
- big_endian_writer_.WriteU32(sender_ssrc);
-}
-
-void TestRtcpPacketBuilder::AddXrUnknownBlock() {
- big_endian_writer_.WriteU8(9); // Block type.
- big_endian_writer_.WriteU8(0); // Reserved.
- big_endian_writer_.WriteU16(4); // Block length.
- // First receiver same as sender of this report.
- big_endian_writer_.WriteU32(0);
- big_endian_writer_.WriteU32(0);
- big_endian_writer_.WriteU32(0);
- big_endian_writer_.WriteU32(0);
-}
-
-void TestRtcpPacketBuilder::AddXrDlrrBlock(uint32 sender_ssrc) {
- big_endian_writer_.WriteU8(5); // Block type.
- big_endian_writer_.WriteU8(0); // Reserved.
- big_endian_writer_.WriteU16(3); // Block length.
-
- // First receiver same as sender of this report.
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(kLastRr);
- big_endian_writer_.WriteU32(kDelayLastRr);
-}
-
-void TestRtcpPacketBuilder::AddXrExtendedDlrrBlock(uint32 sender_ssrc) {
- big_endian_writer_.WriteU8(5); // Block type.
- big_endian_writer_.WriteU8(0); // Reserved.
- big_endian_writer_.WriteU16(9); // Block length.
- big_endian_writer_.WriteU32(0xaaaaaaaa);
- big_endian_writer_.WriteU32(0xaaaaaaaa);
- big_endian_writer_.WriteU32(0xaaaaaaaa);
-
- // First receiver same as sender of this report.
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(kLastRr);
- big_endian_writer_.WriteU32(kDelayLastRr);
- big_endian_writer_.WriteU32(0xbbbbbbbb);
- big_endian_writer_.WriteU32(0xbbbbbbbb);
- big_endian_writer_.WriteU32(0xbbbbbbbb);
-}
-
-void TestRtcpPacketBuilder::AddXrRrtrBlock() {
- big_endian_writer_.WriteU8(4); // Block type.
- big_endian_writer_.WriteU8(0); // Reserved.
- big_endian_writer_.WriteU16(2); // Block length.
- big_endian_writer_.WriteU32(kNtpHigh);
- big_endian_writer_.WriteU32(kNtpLow);
-}
-
-void TestRtcpPacketBuilder::AddNack(uint32 sender_ssrc, uint32 media_ssrc) {
- AddRtcpHeader(205, 1);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(media_ssrc);
- big_endian_writer_.WriteU16(kMissingPacket);
- big_endian_writer_.WriteU16(0);
-}
-
-void TestRtcpPacketBuilder::AddSendReportRequest(uint32 sender_ssrc,
- uint32 media_ssrc) {
- AddRtcpHeader(205, 5);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(media_ssrc);
-}
-
-void TestRtcpPacketBuilder::AddPli(uint32 sender_ssrc, uint32 media_ssrc) {
- AddRtcpHeader(206, 1);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(media_ssrc);
-}
-
-void TestRtcpPacketBuilder::AddRpsi(uint32 sender_ssrc, uint32 media_ssrc) {
- AddRtcpHeader(206, 3);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(media_ssrc);
- big_endian_writer_.WriteU8(0); // Padding bits.
- big_endian_writer_.WriteU8(kPayloadtype);
- uint64 picture_id = kPictureId;
-
- for (int i = 9; i > 0; i--) {
- big_endian_writer_.WriteU8(0x80 |
- static_cast<uint8>(picture_id >> (i * 7)));
- }
- // Add last byte of picture ID.
- big_endian_writer_.WriteU8(static_cast<uint8>(picture_id & 0x7f));
-}
-
-void TestRtcpPacketBuilder::AddRemb(uint32 sender_ssrc, uint32 media_ssrc) {
- AddRtcpHeader(206, 15);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(0);
- big_endian_writer_.WriteU8('R');
- big_endian_writer_.WriteU8('E');
- big_endian_writer_.WriteU8('M');
- big_endian_writer_.WriteU8('B');
- big_endian_writer_.WriteU8(1); // Number of SSRCs.
- big_endian_writer_.WriteU8(1); // BR Exp.
- // BR Mantissa.
- big_endian_writer_.WriteU16(static_cast<uint16>(kTestRembBitrate / 2));
- big_endian_writer_.WriteU32(media_ssrc);
-}
-
-void TestRtcpPacketBuilder::AddCast(uint32 sender_ssrc,
- uint32 media_ssrc,
- base::TimeDelta target_delay) {
- AddRtcpHeader(206, 15);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU32(media_ssrc);
- big_endian_writer_.WriteU8('C');
- big_endian_writer_.WriteU8('A');
- big_endian_writer_.WriteU8('S');
- big_endian_writer_.WriteU8('T');
- big_endian_writer_.WriteU8(kAckFrameId);
- big_endian_writer_.WriteU8(3); // Loss fields.
- big_endian_writer_.WriteU16(target_delay.InMilliseconds());
- big_endian_writer_.WriteU8(kLostFrameId);
- big_endian_writer_.WriteU16(kRtcpCastAllPacketsLost);
- big_endian_writer_.WriteU8(0); // Lost packet id mask.
- big_endian_writer_.WriteU8(kFrameIdWithLostPackets);
- big_endian_writer_.WriteU16(kLostPacketId1);
- big_endian_writer_.WriteU8(0x2); // Lost packet id mask.
- big_endian_writer_.WriteU8(kFrameIdWithLostPackets);
- big_endian_writer_.WriteU16(kLostPacketId3);
- big_endian_writer_.WriteU8(0); // Lost packet id mask.
-}
-
-void TestRtcpPacketBuilder::AddReceiverLog(uint32 sender_ssrc) {
- AddRtcpHeader(204, 2);
- big_endian_writer_.WriteU32(sender_ssrc);
- big_endian_writer_.WriteU8('C');
- big_endian_writer_.WriteU8('A');
- big_endian_writer_.WriteU8('S');
- big_endian_writer_.WriteU8('T');
-}
-
-void TestRtcpPacketBuilder::AddReceiverFrameLog(uint32 rtp_timestamp,
- int num_events,
- uint32 event_timesamp_base) {
- big_endian_writer_.WriteU32(rtp_timestamp);
- big_endian_writer_.WriteU8(static_cast<uint8>(num_events - 1));
- big_endian_writer_.WriteU8(static_cast<uint8>(event_timesamp_base >> 16));
- big_endian_writer_.WriteU8(static_cast<uint8>(event_timesamp_base >> 8));
- big_endian_writer_.WriteU8(static_cast<uint8>(event_timesamp_base));
-}
-
-void TestRtcpPacketBuilder::AddReceiverEventLog(uint16 event_data,
- CastLoggingEvent event,
- uint16 event_timesamp_delta) {
- big_endian_writer_.WriteU16(event_data);
- uint8 event_id = ConvertEventTypeToWireFormat(event);
- uint16 type_and_delta = static_cast<uint16>(event_id) << 12;
- type_and_delta += event_timesamp_delta & 0x0fff;
- big_endian_writer_.WriteU16(type_and_delta);
-}
-
-scoped_ptr<media::cast::Packet> TestRtcpPacketBuilder::GetPacket() {
- PatchLengthField();
- return scoped_ptr<media::cast::Packet>(
- new media::cast::Packet(buffer_, buffer_ + Length()));
-}
-
-const uint8* TestRtcpPacketBuilder::Data() {
- PatchLengthField();
- return buffer_;
-}
-
-void TestRtcpPacketBuilder::PatchLengthField() {
- if (ptr_of_length_) {
- // Back-patch the packet length. The client must have taken
- // care of proper padding to 32-bit words.
- int this_packet_length = (big_endian_writer_.ptr() - ptr_of_length_ - 2);
- DCHECK_EQ(0, this_packet_length % 4)
- << "Packets must be a multiple of 32 bits long";
- *ptr_of_length_ = this_packet_length >> 10;
- *(ptr_of_length_ + 1) = (this_packet_length >> 2) & 0xFF;
- ptr_of_length_ = NULL;
- }
-}
-
-// Set the 5-bit value in the 1st byte of the header
-// and the payload type. Set aside room for the length field,
-// and make provision for back-patching it.
-void TestRtcpPacketBuilder::AddRtcpHeader(int payload, int format_or_count) {
- PatchLengthField();
- big_endian_writer_.WriteU8(0x80 | (format_or_count & 0x1F));
- big_endian_writer_.WriteU8(payload);
- ptr_of_length_ = big_endian_writer_.ptr();
-
- // Initialize length to "clearly illegal".
- big_endian_writer_.WriteU16(0xDEAD);
-}
-
-} // namespace cast
-} // namespace media
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