danilchap 2874ed5709 [rtcp] App::Parse updated not to use RTCPUtility,
maximum allowed sized raised from limited by physical udp packet size to
limited by theoritical maximum rtcp packet size.

BUG=webrtc:5260
R=åsapersson

Review-Url: https://codereview.webrtc.org/1998633002
Cr-Commit-Position: refs/heads/master@{#13532}
2016-07-26 13:40:36 +00:00

66 lines
2.0 KiB
C++

/*
* Copyright (c) 2015 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.
*/
#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_APP_H_
#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_APP_H_
#include "webrtc/base/buffer.h"
#include "webrtc/base/constructormagic.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h"
namespace webrtc {
namespace rtcp {
class CommonHeader;
class App : public RtcpPacket {
public:
static constexpr uint8_t kPacketType = 204;
App() : sub_type_(0), ssrc_(0), name_(0) {}
~App() override {}
// Parse assumes header is already parsed and validated.
bool Parse(const CommonHeader& packet);
void From(uint32_t ssrc) { ssrc_ = ssrc; }
void WithSubType(uint8_t subtype);
void WithName(uint32_t name) { name_ = name; }
void WithData(const uint8_t* data, size_t data_length);
uint8_t sub_type() const { return sub_type_; }
uint32_t ssrc() const { return ssrc_; }
uint32_t name() const { return name_; }
size_t data_size() const { return data_.size(); }
const uint8_t* data() const { return data_.data(); }
protected:
bool Create(uint8_t* packet,
size_t* index,
size_t max_length,
RtcpPacket::PacketReadyCallback* callback) const override;
private:
static constexpr size_t kAppBaseLength = 8; // Ssrc and Name.
static constexpr size_t kMaxDataSize = 0xffff * 4 - kAppBaseLength;
size_t BlockLength() const override {
return kHeaderLength + kAppBaseLength + data_.size();
}
uint8_t sub_type_;
uint32_t ssrc_;
uint32_t name_;
rtc::Buffer data_;
RTC_DISALLOW_COPY_AND_ASSIGN(App);
};
} // namespace rtcp
} // namespace webrtc
#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_APP_H_