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/*
* Copyright (c) 2004 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.
*/
#include "media/base/testutils.h"
#include <math.h>
#include <algorithm>
#include <memory>
#include "api/video/video_frame.h"
#include "media/base/videocapturer.h"
#include "rtc_base/bytebuffer.h"
#include "rtc_base/gunit.h"
#include "rtc_base/stream.h"
#include "rtc_base/stringutils.h"
#include "rtc_base/testutils.h"
namespace cricket {
/////////////////////////////////////////////////////////////////////////
// Implementation of RawRtpPacket
/////////////////////////////////////////////////////////////////////////
void RawRtpPacket::WriteToByteBuffer(uint32_t in_ssrc,
rtc::ByteBufferWriter* buf) const {
if (!buf) return;
buf->WriteUInt8(ver_to_cc);
buf->WriteUInt8(m_to_pt);
buf->WriteUInt16(sequence_number);
buf->WriteUInt32(timestamp);
buf->WriteUInt32(in_ssrc);
buf->WriteBytes(payload, sizeof(payload));
}
bool RawRtpPacket::ReadFromByteBuffer(rtc::ByteBufferReader* buf) {
if (!buf) return false;
bool ret = true;
ret &= buf->ReadUInt8(&ver_to_cc);
ret &= buf->ReadUInt8(&m_to_pt);
ret &= buf->ReadUInt16(&sequence_number);
ret &= buf->ReadUInt32(×tamp);
ret &= buf->ReadUInt32(&ssrc);
ret &= buf->ReadBytes(payload, sizeof(payload));
return ret;
}
bool RawRtpPacket::SameExceptSeqNumTimestampSsrc(const RawRtpPacket& packet,
uint16_t seq,
uint32_t ts,
uint32_t ssc) const {
return sequence_number == seq &&
timestamp == ts &&
ver_to_cc == packet.ver_to_cc &&
m_to_pt == packet.m_to_pt &&
ssrc == ssc &&
0 == memcmp(payload, packet.payload, sizeof(payload));
}
/////////////////////////////////////////////////////////////////////////
// Implementation of RawRtcpPacket
/////////////////////////////////////////////////////////////////////////
void RawRtcpPacket::WriteToByteBuffer(rtc::ByteBufferWriter *buf) const {
if (!buf) return;
buf->WriteUInt8(ver_to_count);
buf->WriteUInt8(type);
buf->WriteUInt16(length);
buf->WriteBytes(payload, sizeof(payload));
}
bool RawRtcpPacket::ReadFromByteBuffer(rtc::ByteBufferReader* buf) {
if (!buf) return false;
bool ret = true;
ret &= buf->ReadUInt8(&ver_to_count);
ret &= buf->ReadUInt8(&type);
ret &= buf->ReadUInt16(&length);
ret &= buf->ReadBytes(payload, sizeof(payload));
return ret;
}
bool RawRtcpPacket::EqualsTo(const RawRtcpPacket& packet) const {
return ver_to_count == packet.ver_to_count &&
type == packet.type &&
length == packet.length &&
0 == memcmp(payload, packet.payload, sizeof(payload));
}
// Implementation of VideoCaptureListener.
VideoCapturerListener::VideoCapturerListener(VideoCapturer* capturer)
: capturer_(capturer),
last_capture_state_(CS_STARTING),
frame_count_(0),
frame_width_(0),
frame_height_(0),
resolution_changed_(false) {
capturer->SignalStateChange.connect(this,
&VideoCapturerListener::OnStateChange);
capturer->AddOrUpdateSink(this, rtc::VideoSinkWants());
}
VideoCapturerListener::~VideoCapturerListener() {
capturer_->RemoveSink(this);
}
void VideoCapturerListener::OnStateChange(VideoCapturer* capturer,
CaptureState result) {
last_capture_state_ = result;
}
void VideoCapturerListener::OnFrame(const webrtc::VideoFrame& frame) {
++frame_count_;
if (1 == frame_count_) {
frame_width_ = frame.width();
frame_height_ = frame.height();
} else if (frame_width_ != frame.width() || frame_height_ != frame.height()) {
resolution_changed_ = true;
}
}
cricket::StreamParams CreateSimStreamParams(
const std::string& cname,
const std::vector<uint32_t>& ssrcs) {
cricket::StreamParams sp;
cricket::SsrcGroup sg(cricket::kSimSsrcGroupSemantics, ssrcs);
sp.ssrcs = ssrcs;
sp.ssrc_groups.push_back(sg);
sp.cname = cname;
return sp;
}
// There should be an rtx_ssrc per ssrc.
cricket::StreamParams CreateSimWithRtxStreamParams(
const std::string& cname,
const std::vector<uint32_t>& ssrcs,
const std::vector<uint32_t>& rtx_ssrcs) {
cricket::StreamParams sp = CreateSimStreamParams(cname, ssrcs);
for (size_t i = 0; i < ssrcs.size(); ++i) {
sp.ssrcs.push_back(rtx_ssrcs[i]);
std::vector<uint32_t> fid_ssrcs;
fid_ssrcs.push_back(ssrcs[i]);
fid_ssrcs.push_back(rtx_ssrcs[i]);
cricket::SsrcGroup fid_group(cricket::kFidSsrcGroupSemantics, fid_ssrcs);
sp.ssrc_groups.push_back(fid_group);
}
return sp;
}
cricket::StreamParams CreatePrimaryWithFecFrStreamParams(
const std::string& cname,
uint32_t primary_ssrc,
uint32_t flexfec_ssrc) {
cricket::StreamParams sp;
cricket::SsrcGroup sg(cricket::kFecFrSsrcGroupSemantics,
{primary_ssrc, flexfec_ssrc});
sp.ssrcs = {primary_ssrc};
sp.ssrc_groups.push_back(sg);
sp.cname = cname;
return sp;
}
} // namespace cricket
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