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Side by Side Diff: media/cast/rtcp/rtcp.cc

Issue 109413004: Cast:Adding cast_transport_config and cleaning up (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Updating chrome/renderer Created 6 years, 11 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "media/cast/rtcp/rtcp.h" 5 #include "media/cast/rtcp/rtcp.h"
6 6
7 #include "base/rand_util.h" 7 #include "base/rand_util.h"
8 #include "media/cast/cast_config.h" 8 #include "media/cast/cast_config.h"
9 #include "media/cast/cast_defines.h" 9 #include "media/cast/cast_defines.h"
10 #include "media/cast/cast_environment.h" 10 #include "media/cast/cast_environment.h"
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208 } 208 }
209 209
210 Rtcp::~Rtcp() {} 210 Rtcp::~Rtcp() {}
211 211
212 // static 212 // static
213 bool Rtcp::IsRtcpPacket(const uint8* packet, size_t length) { 213 bool Rtcp::IsRtcpPacket(const uint8* packet, size_t length) {
214 DCHECK_GE(length, kMinLengthOfRtcp) << "Invalid RTCP packet"; 214 DCHECK_GE(length, kMinLengthOfRtcp) << "Invalid RTCP packet";
215 if (length < kMinLengthOfRtcp) return false; 215 if (length < kMinLengthOfRtcp) return false;
216 216
217 uint8 packet_type = packet[1]; 217 uint8 packet_type = packet[1];
218 if (packet_type >= kPacketTypeLow && packet_type <= kPacketTypeHigh) { 218 if (packet_type >= transport::kPacketTypeLow &&
219 packet_type <= transport::kPacketTypeHigh) {
219 return true; 220 return true;
220 } 221 }
221 return false; 222 return false;
222 } 223 }
223 224
224 // static 225 // static
225 uint32 Rtcp::GetSsrcOfSender(const uint8* rtcp_buffer, size_t length) { 226 uint32 Rtcp::GetSsrcOfSender(const uint8* rtcp_buffer, size_t length) {
226 DCHECK_GE(length, kMinLengthOfRtcp) << "Invalid RTCP packet"; 227 DCHECK_GE(length, kMinLengthOfRtcp) << "Invalid RTCP packet";
227 uint32 ssrc_of_sender; 228 uint32 ssrc_of_sender;
228 net::BigEndianReader big_endian_reader(rtcp_buffer, length); 229 net::BigEndianReader big_endian_reader(rtcp_buffer, length);
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500 int random = base::RandInt(0, 999); 501 int random = base::RandInt(0, 999);
501 base::TimeDelta time_to_next = (rtcp_interval_ / 2) + 502 base::TimeDelta time_to_next = (rtcp_interval_ / 2) +
502 (rtcp_interval_ * random / 1000); 503 (rtcp_interval_ * random / 1000);
503 504
504 base::TimeTicks now = cast_environment_->Clock()->NowTicks(); 505 base::TimeTicks now = cast_environment_->Clock()->NowTicks();
505 next_time_to_send_rtcp_ = now + time_to_next; 506 next_time_to_send_rtcp_ = now + time_to_next;
506 } 507 }
507 508
508 } // namespace cast 509 } // namespace cast
509 } // namespace media 510 } // namespace media
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