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video coding: updating offline tests.

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Additional clean-up to the offline test: Placing test callbacks in a designated file. 
Review URL: http://webrtc-codereview.appspot.com/167002

git-svn-id: http://webrtc.googlecode.com/svn/trunk@642 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
mikhal@webrtc.org 2011-09-23 16:41:11 +00:00
parent 496ef8aca8
commit 105ff39dec
14 changed files with 820 additions and 752 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/modules/video_coding/main/source/video_coding_test.gypi
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@ -58,6 +58,7 @@
'../test/receiver_tests.h',
'../test/release_test.h',
'../test/rtp_player.h',
'../test/test_callbacks.h',
'../test/test_util.h',
'../test/video_source.h',
@ -73,6 +74,7 @@
'../test/quality_modes_test.cc',
'../test/receiver_timing_tests.cc',
'../test/rtp_player.cc',
'../test/test_callbacks.cc',
'../test/test_util.cc',
'../test/tester_main.cc',
'../test/video_rtp_play_mt.cc',

1
src/modules/video_coding/main/test/codec_database_test.cc
View File

@ -18,6 +18,7 @@
#include "../../../../engine_configurations.h"
#include "../source/event.h"
#include "test_callbacks.h"
#include "test_macros.h"
#include "test_util.h"
#include "video_metrics.h"

3
src/modules/video_coding/main/test/generic_codec_test.cc
View File

@ -16,10 +16,11 @@
#include "rtp_rtcp.h"
#include "module_common_types.h"
#include "test_macros.h"
#include "test_util.h"
using namespace webrtc;
enum { kMaxWaitEncTimeMs = 100 };
int GenericCodecTest::RunTest(CmdArgs& args)
{
// Don't run this test with debug time

3
src/modules/video_coding/main/test/generic_codec_test.h
View File

@ -12,11 +12,12 @@
#define WEBRTC_MODULES_VIDEO_CODING_TEST_GENERIC_CODEC_TEST_H_
#include "video_coding.h"
#include "test_util.h"
#include <string.h>
#include <fstream>
#include "test_callbacks.h"
#include "test_util.h"
/*
Test consists of:
1. Sanity checks

87
src/modules/video_coding/main/test/media_opt_test.cc
View File

@ -20,7 +20,7 @@
#include "../source/event.h"
#include "receiver_tests.h" // receive side callbacks
#include "rtp_rtcp.h"
#include "test_callbacks.h"
#include "test_macros.h"
#include "test_util.h" // send side callback
#include "video_coding.h"
@ -277,7 +277,7 @@ MediaOptTest::Perform()
RtpDataCallback dataCallback(_vcm);
_rtp->RegisterIncomingDataCallback(&dataCallback);
VCMTestProtectionCallback protectionCallback;
VideoProtectionCallback protectionCallback;
_vcm->RegisterProtectionCallback(&protectionCallback);
// set error resilience / test parameters:
@ -544,86 +544,3 @@ MediaOptTest::TearDown()
fclose(_actualSourceFile);
return;
}
VCMTestProtectionCallback::VCMTestProtectionCallback():
_deltaFECRate(0),
_keyFECRate(0),
_deltaUseUepProtection(0),
_keyUseUepProtection(0),
_nack(kNackOff)
{
//
}
VCMTestProtectionCallback::~VCMTestProtectionCallback()
{
//
}
WebRtc_Word32
VCMTestProtectionCallback::ProtectionRequest(const WebRtc_UWord8 deltaFECRate,
const WebRtc_UWord8 keyFECRate,
const bool deltaUseUepProtection,
const bool keyUseUepProtection,
const bool nack)
{
_deltaFECRate = deltaFECRate;
_keyFECRate = keyFECRate;
_deltaUseUepProtection = deltaUseUepProtection;
_keyUseUepProtection = keyUseUepProtection;
if (nack == true)
{
_nack = kNackRtcp;
}
else
{
_nack = kNackOff;
}
return VCM_OK;
}
NACKMethod
VCMTestProtectionCallback::NACKMethod()
{
return _nack;
}
WebRtc_UWord8
VCMTestProtectionCallback::FECDeltaRate()
{
return _deltaFECRate;
}
WebRtc_UWord8
VCMTestProtectionCallback::FECKeyRate()
{
return _keyFECRate;
}
bool
VCMTestProtectionCallback::FECDeltaUepProtection()
{
return _deltaUseUepProtection;
}
bool
VCMTestProtectionCallback::FECKeyUepProtection()
{
return _keyUseUepProtection;
}
void
RTPFeedbackCallback::OnNetworkChanged(const WebRtc_Word32 id,
const WebRtc_UWord16 bitrateTargetKbit,
const WebRtc_UWord8 fractionLost,
const WebRtc_UWord16 roundTripTimeMs,
const WebRtc_UWord32 jitterMS,
const WebRtc_UWord16 bwEstimateKbitMin,
const WebRtc_UWord16 bwEstimateKbitMax)
{
_vcm->SetChannelParameters(bitrateTargetKbit, fractionLost,(WebRtc_UWord8)roundTripTimeMs);
}

55
src/modules/video_coding/main/test/media_opt_test.h
View File

@ -12,14 +12,15 @@
#ifndef WEBRTC_MODULES_VIDEO_CODING_TEST_MEDIA_OPT_TEST_H_
#define WEBRTC_MODULES_VIDEO_CODING_TEST_MEDIA_OPT_TEST_H_
#include "video_coding.h"
#include "test_util.h"
#include "video_source.h"
#include <string>
#include "rtp_rtcp.h"
#include "test_util.h"
#include "video_coding.h"
#include "video_source.h"
using namespace std;
//
// media optimization test
// This test simulates a complete encode-decode cycle via the RTP module.
@ -29,31 +30,6 @@ using namespace std;
// 1 - Standard, basic settings, one run
// 2 - Release test - iterates over a number of video sequences, bit rates, packet loss values ,etc.
class VCMTestProtectionCallback: public webrtc::VCMProtectionCallback
{
public:
VCMTestProtectionCallback();
virtual ~VCMTestProtectionCallback();
WebRtc_Word32 ProtectionRequest(const WebRtc_UWord8 deltaFECRate,
const WebRtc_UWord8 keyFECRate,
const bool deltaUseUepProtection,
const bool keyUseUepProtection,
const bool nack);
enum webrtc::NACKMethod NACKMethod();
WebRtc_UWord8 FECDeltaRate();
WebRtc_UWord8 FECKeyRate();
bool FECDeltaUepProtection();
bool FECKeyUepProtection();
private:
WebRtc_UWord8 _deltaFECRate;
WebRtc_UWord8 _keyFECRate;
bool _deltaUseUepProtection;
bool _keyUseUepProtection;
enum webrtc::NACKMethod _nack;
};
class MediaOptTest
{
public:
@ -114,25 +90,4 @@ private:
}; // end of MediaOptTest class definition
// Feed back from the RTP Module callback
class RTPFeedbackCallback: public webrtc::RtpVideoFeedback
{
public:
RTPFeedbackCallback(webrtc::VideoCodingModule* vcm) {_vcm = vcm;};
void OnReceivedIntraFrameRequest(const WebRtc_Word32 id,
const WebRtc_UWord8 message = 0){};
void OnNetworkChanged(const WebRtc_Word32 id,
const WebRtc_UWord16 bitrateTargetKbit,
const WebRtc_UWord8 fractionLost,
const WebRtc_UWord16 roundTripTimeMs,
const WebRtc_UWord32 jitterMS,
const WebRtc_UWord16 bwEstimateKbitMin,
const WebRtc_UWord16 bwEstimateKbitMax);
private:
webrtc::VideoCodingModule* _vcm;
};
#endif // WEBRTC_MODULES_VIDEO_CODING_TEST_MEDIA_OPT_TEST_H_

2
src/modules/video_coding/main/test/mt_rx_tx_test.cc
View File

@ -212,7 +212,7 @@ int MTRxTxTest(CmdArgs& args)
rtp->RegisterIncomingDataCallback(&dataCallback);
vcm->RegisterReceiveCallback(&receiveCallback);
VCMTestProtectionCallback protectionCallback;
VideoProtectionCallback protectionCallback;
vcm->RegisterProtectionCallback(&protectionCallback);
outgoingTransport->SetLossPct(lossRate);

1
src/modules/video_coding/main/test/mt_test_common.h
View File

@ -16,6 +16,7 @@
#define WEBRTC_MODULES_VIDEO_CODING_TEST_MT_TEST_COMMON_H_
#include "rtp_rtcp.h"
#include "test_callbacks.h"
#include "test_util.h"
#include "video_coding.h"

1
src/modules/video_coding/main/test/normal_test.cc
View File

@ -17,6 +17,7 @@
#include "../source/event.h"
#include "common_types.h"
#include "test_callbacks.h"
#include "test_macros.h"
#include "test_util.h"
#include "tick_time.h"

1
src/modules/video_coding/main/test/quality_modes_test.cc
View File

@ -15,6 +15,7 @@
#include <time.h>
#include "../source/event.h"
#include "test_callbacks.h"
#include "test_macros.h"
#include "video_metrics.h"
#include "vplib.h"

515
src/modules/video_coding/main/test/test_callbacks.cc Normal file
View File

@ -0,0 +1,515 @@
/*
* Copyright (c) 2011 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 "test_callbacks.h"
#include <cmath>
#include "rtp_dump.h"
#include "test_macros.h"
/******************************
* VCMEncodeCompleteCallback
*****************************/
// Basic callback implementation
// passes the encoded frame directly to the encoder
// Packetization callback implementation
VCMEncodeCompleteCallback::VCMEncodeCompleteCallback(FILE* encodedFile):
_encodedFile(encodedFile),
_encodedBytes(0),
_VCMReceiver(NULL),
_seqNo(0),
_encodeComplete(false),
_width(0),
_height(0),
_codecType(kRTPVideoNoVideo)
{
//
}
VCMEncodeCompleteCallback::~VCMEncodeCompleteCallback()
{
}
void
VCMEncodeCompleteCallback::RegisterTransportCallback(
VCMPacketizationCallback* transport)
{
}
WebRtc_Word32
VCMEncodeCompleteCallback::SendData(
const FrameType frameType,
const WebRtc_UWord8 payloadType,
const WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData,
const WebRtc_UWord32 payloadSize,
const RTPFragmentationHeader& fragmentationHeader,
const RTPVideoTypeHeader* videoTypeHdr)
{
// will call the VCMReceiver input packet
_frameType = frameType;
// writing encodedData into file
fwrite(payloadData, 1, payloadSize, _encodedFile);
WebRtcRTPHeader rtpInfo;
rtpInfo.header.markerBit = true; // end of frame
rtpInfo.type.Video.isFirstPacket = true;
rtpInfo.type.Video.codec = _codecType;
switch (_codecType)
{
case webrtc::kRTPVideoH263:
rtpInfo.type.Video.codecHeader.H263.bits = false;
rtpInfo.type.Video.codecHeader.H263.independentlyDecodable = false;
rtpInfo.type.Video.height = (WebRtc_UWord16)_height;
rtpInfo.type.Video.width = (WebRtc_UWord16)_width;
break;
case webrtc::kRTPVideoVP8:
rtpInfo.type.Video.codecHeader.VP8.nonReference =
videoTypeHdr->VP8.nonReference;
rtpInfo.type.Video.codecHeader.VP8.pictureId =
videoTypeHdr->VP8.pictureId;
break;
case webrtc::kRTPVideoI420:
break;
default:
assert(false);
return -1;
}
rtpInfo.header.payloadType = payloadType;
rtpInfo.header.sequenceNumber = _seqNo++;
rtpInfo.header.ssrc = 0;
rtpInfo.header.timestamp = timeStamp;
rtpInfo.frameType = frameType;
// Size should also be received from that table, since the payload type
// defines the size.
_encodedBytes += payloadSize;
// directly to receiver
int ret = _VCMReceiver->IncomingPacket(payloadData, payloadSize, rtpInfo);
_encodeComplete = true;
return ret;
}
float
VCMEncodeCompleteCallback::EncodedBytes()
{
return _encodedBytes;
}
bool
VCMEncodeCompleteCallback::EncodeComplete()
{
if (_encodeComplete)
{
_encodeComplete = false;
return true;
}
return false;
}
void
VCMEncodeCompleteCallback::Initialize()
{
_encodeComplete = false;
_encodedBytes = 0;
_seqNo = 0;
return;
}
void
VCMEncodeCompleteCallback::ResetByteCount()
{
_encodedBytes = 0;
}
/***********************************/
/* VCMRTPEncodeCompleteCallback */
/***********************************/
// Encode Complete callback implementation
// passes the encoded frame via the RTP module to the decoder
// Packetization callback implementation
WebRtc_Word32
VCMRTPEncodeCompleteCallback::SendData(
const FrameType frameType,
const WebRtc_UWord8 payloadType,
const WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData,
const WebRtc_UWord32 payloadSize,
const RTPFragmentationHeader& fragmentationHeader,
const RTPVideoTypeHeader* videoTypeHdr)
{
_frameType = frameType;
_encodedBytes+= payloadSize;
_encodeComplete = true;
return _RTPModule->SendOutgoingData(frameType,
payloadType,
timeStamp,
payloadData,
payloadSize,
&fragmentationHeader,
videoTypeHdr);
}
float
VCMRTPEncodeCompleteCallback::EncodedBytes()
{
// only good for one call - after which will reset value;
float tmp = _encodedBytes;
_encodedBytes = 0;
return tmp;
}
bool
VCMRTPEncodeCompleteCallback::EncodeComplete()
{
if (_encodeComplete)
{
_encodeComplete = false;
return true;
}
return false;
}
// Decoded Frame Callback Implementation
WebRtc_Word32
VCMDecodeCompleteCallback::FrameToRender(VideoFrame& videoFrame)
{
fwrite(videoFrame.Buffer(), 1, videoFrame.Length(), _decodedFile);
_decodedBytes+= videoFrame.Length();
return VCM_OK;
}
WebRtc_Word32
VCMDecodeCompleteCallback::DecodedBytes()
{
return _decodedBytes;
}
RTPSendCompleteCallback::RTPSendCompleteCallback(RtpRtcp* rtp,
const char* filename):
_sendCount(0),
_rtp(rtp),
_lossPct(0),
_burstLength(0),
_networkDelayMs(0),
_jitterVar(0),
_prevLossState(0),
_totalSentLength(0),
_rtpPackets(),
_rtpDump(NULL)
{
if (filename != NULL)
{
_rtpDump = RtpDump::CreateRtpDump();
_rtpDump->Start(filename);
}
}
RTPSendCompleteCallback::~RTPSendCompleteCallback()
{
if (_rtpDump != NULL)
{
_rtpDump->Stop();
RtpDump::DestroyRtpDump(_rtpDump);
}
// Delete remaining packets
while (!_rtpPackets.Empty())
{
// Take first packet in list
delete static_cast<rtpPacket*>((_rtpPackets.First())->GetItem());
_rtpPackets.PopFront();
}
}
int
RTPSendCompleteCallback::SendPacket(int channel, const void *data, int len)
{
_sendCount++;
_totalSentLength += len;
if (_rtpDump != NULL)
{
if (_rtpDump->DumpPacket((const WebRtc_UWord8*)data, len) != 0)
{
return -1;
}
}
bool transmitPacket = true;
transmitPacket = PacketLoss();
WebRtc_UWord64 now = VCMTickTime::MillisecondTimestamp();
// Insert outgoing packet into list
if (transmitPacket)
{
rtpPacket* newPacket = new rtpPacket();
memcpy(newPacket->data, data, len);
newPacket->length = len;
// Simulate receive time = network delay + packet jitter
// simulated as a Normal distribution random variable with
// mean = networkDelay and variance = jitterVar
WebRtc_Word32
simulatedDelay = (WebRtc_Word32)NormalDist(_networkDelayMs,
sqrt(_jitterVar));
newPacket->receiveTime = now + simulatedDelay;
_rtpPackets.PushBack(newPacket);
}
// Are we ready to send packets to the receiver?
rtpPacket* packet = NULL;
while (!_rtpPackets.Empty())
{
// Take first packet in list
packet = static_cast<rtpPacket*>((_rtpPackets.First())->GetItem());
WebRtc_Word64 timeToReceive = packet->receiveTime - now;
if (timeToReceive > 0)
{
// No available packets to send
break;
}
_rtpPackets.PopFront();
// Send to receive side
if (_rtp->IncomingPacket((const WebRtc_UWord8*)packet->data,
packet->length) < 0)
{
delete packet;
packet = NULL;
// Will return an error after the first packet that goes wrong
return -1;
}
delete packet;
packet = NULL;
}
return len; // OK
}
int
RTPSendCompleteCallback::SendRTCPPacket(int channel, const void *data, int len)
{
// Incorporate network conditions
return SendPacket(channel, data, len);
}
void
RTPSendCompleteCallback::SetLossPct(double lossPct)
{
_lossPct = lossPct;
return;
}
void
RTPSendCompleteCallback::SetBurstLength(double burstLength)
{
_burstLength = burstLength;
return;
}
bool
RTPSendCompleteCallback::PacketLoss()
{
bool transmitPacket = true;
if (_burstLength <= 1.0)
{
// Random loss: if _burstLength parameter is not set, or <=1
if (UnifomLoss(_lossPct))
{
// drop
transmitPacket = false;
}
}
else
{
// Simulate bursty channel (Gilbert model)
// (1st order) Markov chain model with memory of the previous/last
// packet state (loss or received)
// 0 = received state
// 1 = loss state
// probTrans10: if previous packet is lost, prob. to -> received state
// probTrans11: if previous packet is lost, prob. to -> loss state
// probTrans01: if previous packet is received, prob. to -> loss state
// probTrans00: if previous packet is received, prob. to -> received
// Map the two channel parameters (average loss rate and burst length)
// to the transition probabilities:
double probTrans10 = 100 * (1.0 / _burstLength);
double probTrans11 = (100.0 - probTrans10);
double probTrans01 = (probTrans10 * ( _lossPct / (100.0 - _lossPct)));
// Note: Random loss (Bernoulli) model is a special case where:
// burstLength = 100.0 / (100.0 - _lossPct) (i.e., p10 + p01 = 100)
if (_prevLossState == 0 )
{
// previous packet was received
if (UnifomLoss(probTrans01))
{
// drop, update previous state to loss
_prevLossState = 1;
transmitPacket = false;
}
}
else if (_prevLossState == 1)
{
_prevLossState = 0;
// previous packet was lost
if (UnifomLoss(probTrans11))
{
// drop, update previous state to loss
_prevLossState = 1;
transmitPacket = false;
}
}
}
return transmitPacket;
}
bool
RTPSendCompleteCallback::UnifomLoss(double lossPct)
{
double randVal = (std::rand() + 1.0)/(RAND_MAX + 1.0);
return randVal < lossPct/100;
}
WebRtc_Word32
PacketRequester::ResendPackets(const WebRtc_UWord16* sequenceNumbers,
WebRtc_UWord16 length)
{
return _rtp.SendNACK(sequenceNumbers, length);
}
WebRtc_Word32
SendStatsTest::SendStatistics(const WebRtc_UWord32 bitRate,
const WebRtc_UWord32 frameRate)
{
TEST(frameRate <= _frameRate);
TEST(bitRate > 0 && bitRate < 100000);
printf("VCM 1 sec: Bit rate: %u\tFrame rate: %u\n", bitRate, frameRate);
return 0;
}
WebRtc_Word32
KeyFrameReqTest::FrameTypeRequest(const FrameType frameType)
{
TEST(frameType == kVideoFrameKey);
if (frameType == kVideoFrameKey)
{
printf("Key frame requested\n");
}
else
{
printf("Non-key frame requested: %d\n", frameType);
}
return 0;
}
VideoProtectionCallback::VideoProtectionCallback():
_deltaFECRate(0),
_keyFECRate(0),
_deltaUseUepProtection(0),
_keyUseUepProtection(0),
_nack(kNackOff)
{
//
}
VideoProtectionCallback::~VideoProtectionCallback()
{
//
}
WebRtc_Word32
VideoProtectionCallback::ProtectionRequest(const WebRtc_UWord8 deltaFECRate,
const WebRtc_UWord8 keyFECRate,
const bool deltaUseUepProtection,
const bool keyUseUepProtection,
const bool nack)
{
_deltaFECRate = deltaFECRate;
_keyFECRate = keyFECRate;
_deltaUseUepProtection = deltaUseUepProtection;
_keyUseUepProtection = keyUseUepProtection;
if (nack == true)
{
_nack = kNackRtcp;
}
else
{
_nack = kNackOff;
}
// Update RTP
if (_rtp->SetFECCodeRate(keyFECRate, deltaFECRate) != 0)
{
printf("Error in Setting FEC rate\n");
return -1;
}
if (_rtp->SetFECUepProtection(keyUseUepProtection,
deltaUseUepProtection) != 0)
{
printf("Error in Setting FEC UEP protection\n");
return -1;
}
return 0;
}
NACKMethod
VideoProtectionCallback::NACKMethod()
{
return _nack;
}
WebRtc_UWord8
VideoProtectionCallback::FECDeltaRate()
{
return _deltaFECRate;
}
WebRtc_UWord8
VideoProtectionCallback::FECKeyRate()
{
return _keyFECRate;
}
bool
VideoProtectionCallback::FECDeltaUepProtection()
{
return _deltaUseUepProtection;
}
bool
VideoProtectionCallback::FECKeyUepProtection()
{
return _keyUseUepProtection;
}
void
RTPFeedbackCallback::OnNetworkChanged(const WebRtc_Word32 id,
const WebRtc_UWord16 bitrateTargetKbit,
const WebRtc_UWord8 fractionLost,
const WebRtc_UWord16 roundTripTimeMs,
const WebRtc_UWord32 jitterMS,
const WebRtc_UWord16 bwEstimateKbitMin,
const WebRtc_UWord16 bwEstimateKbitMax)
{
_vcm->SetChannelParameters(bitrateTargetKbit, fractionLost,
(WebRtc_UWord8)roundTripTimeMs);
}

281
src/modules/video_coding/main/test/test_callbacks.h Normal file
View File

@ -0,0 +1,281 @@
/*
* Copyright (c) 2011 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_VIDEO_CODING_TEST_TEST_CALLBACKS_H_
#define WEBRTC_MODULES_VIDEO_CODING_TEST_TEST_CALLBACKS_H_
/*
* Declaration of general callbacks that are used throughout VCM's offline tests
*/
#include <cstdlib>
#include <fstream>
#include <string.h>
#include "list_wrapper.h"
#include "module_common_types.h"
#include "rtp_rtcp.h"
#include "test_util.h"
#include "tick_time.h"
#include "trace.h"
#include "video_coding.h"
using namespace webrtc;
namespace webrtc
{
class RtpDump;
}
// Send Side - Packetization callback - send an encoded frame to the VCMReceiver
class VCMEncodeCompleteCallback: public VCMPacketizationCallback
{
public:
// Constructor input: file in which encoded data will be written
VCMEncodeCompleteCallback(FILE* encodedFile);
virtual ~VCMEncodeCompleteCallback();
// Register transport callback
void RegisterTransportCallback(VCMPacketizationCallback* transport);
// Process encoded data received from the encoder, pass stream to the
// VCMReceiver module
WebRtc_Word32 SendData(const FrameType frameType,
const WebRtc_UWord8 payloadType, const WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData, const WebRtc_UWord32 payloadSize,
const RTPFragmentationHeader& fragmentationHeader,
const RTPVideoTypeHeader* videoTypeHdr);
// Register exisitng VCM. Currently - encode and decode under same module.
void RegisterReceiverVCM(VideoCodingModule *vcm) {_VCMReceiver = vcm;}
// Return size of last encoded frame data (all frames in the sequence)
// Good for only one call - after which will reset value
// (to allow detection of frame drop)
float EncodedBytes();
// Return encode complete (true/false)
bool EncodeComplete();
// Inform callback of codec used
void SetCodecType(RTPVideoCodecTypes codecType)
{_codecType = codecType;}
// Inform callback of frame dimensions
void SetFrameDimensions(WebRtc_Word32 width, WebRtc_Word32 height)
{
_width = width;
_height = height;
}
// Initialize callback data
void Initialize();
void ResetByteCount();
// Conversion function for payload type (needed for the callback function)
private:
FILE* _encodedFile;
float _encodedBytes;
VideoCodingModule* _VCMReceiver;
FrameType _frameType;
WebRtc_UWord8* _payloadData;
WebRtc_UWord8 _seqNo;
bool _encodeComplete;
WebRtc_Word32 _width;
WebRtc_Word32 _height;
RTPVideoCodecTypes _codecType;
}; // end of VCMEncodeCompleteCallback
// Send Side - Packetization callback - packetize an encoded frame via the
// RTP module
class VCMRTPEncodeCompleteCallback: public VCMPacketizationCallback
{
public:
VCMRTPEncodeCompleteCallback(RtpRtcp* rtp) :
_encodedBytes(0),
_seqNo(0),
_encodeComplete(false),
_RTPModule(rtp) {}
virtual ~VCMRTPEncodeCompleteCallback() {}
// Process encoded data received from the encoder, pass stream to the
// RTP module
WebRtc_Word32 SendData(const FrameType frameType,
const WebRtc_UWord8 payloadType, const WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData, const WebRtc_UWord32 payloadSize,
const RTPFragmentationHeader& fragmentationHeader,
const RTPVideoTypeHeader* videoTypeHdr);
// Return size of last encoded frame. Value good for one call
// (resets to zero after call to inform test of frame drop)
float EncodedBytes();
// Return encode complete (true/false)
bool EncodeComplete();
// Inform callback of codec used
void SetCodecType(RTPVideoCodecTypes codecType)
{_codecType = codecType;}
// Inform callback of frame dimensions
void SetFrameDimensions(WebRtc_Word16 width, WebRtc_Word16 height)
{
_width = width;
_height = height;
}
private:
float _encodedBytes;
FrameType _frameType;
WebRtc_UWord8* _payloadData;
WebRtc_UWord16 _seqNo;
bool _encodeComplete;
RtpRtcp* _RTPModule;
WebRtc_Word16 _width;
WebRtc_Word16 _height;
RTPVideoCodecTypes _codecType;
}; // end of VCMEncodeCompleteCallback
// Decode Complete callback
// Writes the decoded frames to a given file.
class VCMDecodeCompleteCallback: public VCMReceiveCallback
{
public:
VCMDecodeCompleteCallback(FILE* decodedFile) :
_decodedFile(decodedFile), _decodedBytes(0) {}
virtual ~VCMDecodeCompleteCallback() {}
// Write decoded frame into file
WebRtc_Word32 FrameToRender(webrtc::VideoFrame& videoFrame);
WebRtc_Word32 DecodedBytes();
private:
FILE* _decodedFile;
WebRtc_UWord32 _decodedBytes;
}; // end of VCMDecodeCompleCallback class
// Transport callback
// Called by the RTP Sender - simulates sending packets through a network to the
// RTP receiver. User can set network conditions as: RTT, packet loss,
// burst length and jitter.
class RTPSendCompleteCallback: public Transport
{
public:
// Constructor input: (receive side) rtp module to send encoded data to
RTPSendCompleteCallback(RtpRtcp* rtp,
const char* filename = NULL);
virtual ~RTPSendCompleteCallback();
// Send Packet to receive side RTP module
virtual int SendPacket(int channel, const void *data, int len);
// Send RTCP Packet to receive side RTP module
virtual int SendRTCPPacket(int channel, const void *data, int len);
// Set percentage of channel loss in the network
void SetLossPct(double lossPct);
// Set average size of burst loss
void SetBurstLength(double burstLength);
// Set network delay in the network
void SetNetworkDelay(WebRtc_UWord32 networkDelayMs)
{_networkDelayMs = networkDelayMs;};
// Set Packet jitter delay
void SetJitterVar(WebRtc_UWord32 jitterVar)
{_jitterVar = jitterVar;};
// Return send count
int SendCount() {return _sendCount; }
// Return accumulated length in bytes of transmitted packets
WebRtc_UWord32 TotalSentLength() {return _totalSentLength;}
protected:
// Randomly decide whether to drop packets, based on the channel model
bool PacketLoss();
// Random uniform loss model
bool UnifomLoss(double lossPct);
WebRtc_UWord32 _sendCount;
RtpRtcp* _rtp;
double _lossPct;
double _burstLength;
WebRtc_UWord32 _networkDelayMs;
double _jitterVar;
bool _prevLossState;
WebRtc_UWord32 _totalSentLength;
ListWrapper _rtpPackets;
RtpDump* _rtpDump;
};
// Request re-transmission of packets (NACK)
class PacketRequester: public VCMPacketRequestCallback
{
public:
PacketRequester(RtpRtcp& rtp) :
_rtp(rtp) {}
WebRtc_Word32 ResendPackets(const WebRtc_UWord16* sequenceNumbers,
WebRtc_UWord16 length);
private:
webrtc::RtpRtcp& _rtp;
};
// Key frame request
class KeyFrameReqTest: public VCMFrameTypeCallback
{
public:
WebRtc_Word32 FrameTypeRequest(const FrameType frameType);
};
// VCM statistics
class SendStatsTest: public webrtc::VCMSendStatisticsCallback
{
public:
SendStatsTest() : _frameRate(15) {}
WebRtc_Word32 SendStatistics(const WebRtc_UWord32 bitRate,
const WebRtc_UWord32 frameRate);
void SetTargetFrameRate(WebRtc_UWord32 frameRate) {_frameRate = frameRate;}
private:
WebRtc_UWord32 _frameRate;
};
// Protection callback - allows the VCM (media optimization) to inform the RTP
// module of the required protection(FEC rates/settings and NACK mode).
class VideoProtectionCallback: public VCMProtectionCallback
{
public:
VideoProtectionCallback();
virtual ~VideoProtectionCallback();
void RegisterRtpModule(RtpRtcp* rtp){_rtp = rtp;}
WebRtc_Word32 ProtectionRequest(const WebRtc_UWord8 deltaFECRate,
const WebRtc_UWord8 keyFECRate,
const bool deltaUseUepProtection,
const bool keyUseUepProtection,
const bool nack);
enum NACKMethod NACKMethod();
WebRtc_UWord8 FECDeltaRate();
WebRtc_UWord8 FECKeyRate();
bool FECDeltaUepProtection();
bool FECKeyUepProtection();
private:
RtpRtcp* _rtp;
WebRtc_UWord8 _deltaFECRate;
WebRtc_UWord8 _keyFECRate;
bool _deltaUseUepProtection;
bool _keyUseUepProtection;
enum NACKMethod _nack;
};
// Feed back from the RTP Module callback
class RTPFeedbackCallback: public RtpVideoFeedback
{
public:
RTPFeedbackCallback(VideoCodingModule* vcm) {_vcm = vcm;};
void OnReceivedIntraFrameRequest(const WebRtc_Word32 id,
const WebRtc_UWord8 message = 0){};
void OnNetworkChanged(const WebRtc_Word32 id,
const WebRtc_UWord16 bitrateTargetKbit,
const WebRtc_UWord8 fractionLost,
const WebRtc_UWord16 roundTripTimeMs,
const WebRtc_UWord32 jitterMS,
const WebRtc_UWord16 bwEstimateKbitMin,
const WebRtc_UWord16 bwEstimateKbitMax);
private:
VideoCodingModule* _vcm;
};
#endif

403
src/modules/video_coding/main/test/test_util.cc
View File

@ -27,384 +27,6 @@ NormalDist(double mean, double stdDev)
return (mean + stdDev * sqrt(-2 * log(uniform1)) * cos(2 * PI * uniform2));
}
/******************************
* VCMEncodeCompleteCallback
*****************************/
// Basic callback implementation
// passes the encoded frame directly to the encoder
// Packetization callback implementation
VCMEncodeCompleteCallback::VCMEncodeCompleteCallback(FILE* encodedFile):
_encodedFile(encodedFile),
_encodedBytes(0),
_VCMReceiver(NULL),
_seqNo(0),
_encodeComplete(false),
_width(0),
_height(0),
_codecType(kRTPVideoNoVideo)
{
//
}
VCMEncodeCompleteCallback::~VCMEncodeCompleteCallback()
{
}
void
VCMEncodeCompleteCallback::RegisterTransportCallback(
VCMPacketizationCallback* transport)
{
}
WebRtc_Word32
VCMEncodeCompleteCallback::SendData(
const FrameType frameType,
const WebRtc_UWord8 payloadType,
const WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData,
const WebRtc_UWord32 payloadSize,
const RTPFragmentationHeader& fragmentationHeader,
const webrtc::RTPVideoTypeHeader* videoTypeHdr)
{
// will call the VCMReceiver input packet
_frameType = frameType;
// writing encodedData into file
fwrite(payloadData, 1, payloadSize, _encodedFile);
WebRtcRTPHeader rtpInfo;
rtpInfo.header.markerBit = true; // end of frame
rtpInfo.type.Video.isFirstPacket = true;
rtpInfo.type.Video.codec = _codecType;
switch (_codecType)
{
case webrtc::kRTPVideoH263:
rtpInfo.type.Video.codecHeader.H263.bits = false;
rtpInfo.type.Video.codecHeader.H263.independentlyDecodable = false;
rtpInfo.type.Video.height = (WebRtc_UWord16)_height;
rtpInfo.type.Video.width = (WebRtc_UWord16)_width;
break;
case webrtc::kRTPVideoVP8:
rtpInfo.type.Video.codecHeader.VP8.nonReference =
videoTypeHdr->VP8.nonReference;
rtpInfo.type.Video.codecHeader.VP8.pictureId =
videoTypeHdr->VP8.pictureId;
break;
case webrtc::kRTPVideoI420:
break;
default:
assert(false);
return -1;
}
rtpInfo.header.payloadType = payloadType;
rtpInfo.header.sequenceNumber = _seqNo++;
rtpInfo.header.ssrc = 0;
rtpInfo.header.timestamp = timeStamp;
rtpInfo.frameType = frameType;
// Size should also be received from that table, since the payload type
// defines the size.
_encodedBytes += payloadSize;
// directly to receiver
int ret = _VCMReceiver->IncomingPacket(payloadData, payloadSize, rtpInfo);
_encodeComplete = true;
return ret;
}
float
VCMEncodeCompleteCallback::EncodedBytes()
{
return _encodedBytes;
}
bool
VCMEncodeCompleteCallback::EncodeComplete()
{
if (_encodeComplete)
{
_encodeComplete = false;
return true;
}
return false;
}
void
VCMEncodeCompleteCallback::Initialize()
{
_encodeComplete = false;
_encodedBytes = 0;
_seqNo = 0;
return;
}
void
VCMEncodeCompleteCallback::ResetByteCount()
{
_encodedBytes = 0;
}
/***********************************/
/* VCMRTPEncodeCompleteCallback */
/***********************************/
// Encode Complete callback implementation
// passes the encoded frame via the RTP module to the decoder
// Packetization callback implementation
WebRtc_Word32
VCMRTPEncodeCompleteCallback::SendData(
const FrameType frameType,
const WebRtc_UWord8 payloadType,
const WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData,
const WebRtc_UWord32 payloadSize,
const RTPFragmentationHeader& fragmentationHeader,
const webrtc::RTPVideoTypeHeader* videoTypeHdr)
{
_frameType = frameType;
_encodedBytes+= payloadSize;
_encodeComplete = true;
return _RTPModule->SendOutgoingData(frameType,
payloadType,
timeStamp,
payloadData,
payloadSize,
&fragmentationHeader,
videoTypeHdr);
}
float
VCMRTPEncodeCompleteCallback::EncodedBytes()
{
// only good for one call - after which will reset value;
float tmp = _encodedBytes;
_encodedBytes = 0;
return tmp;
}
bool
VCMRTPEncodeCompleteCallback::EncodeComplete()
{
if (_encodeComplete)
{
_encodeComplete = false;
return true;
}
return false;
}
// Decoded Frame Callback Implementation
WebRtc_Word32
VCMDecodeCompleteCallback::FrameToRender(VideoFrame& videoFrame)
{
fwrite(videoFrame.Buffer(), 1, videoFrame.Length(), _decodedFile);
_decodedBytes+= videoFrame.Length();
return VCM_OK;
}
WebRtc_Word32
VCMDecodeCompleteCallback::DecodedBytes()
{
return _decodedBytes;
}
RTPSendCompleteCallback::RTPSendCompleteCallback(RtpRtcp* rtp,
const char* filename):
_sendCount(0),
_rtp(rtp),
_lossPct(0),
_burstLength(0),
_networkDelayMs(0),
_jitterVar(0),
_prevLossState(0),
_totalSentLength(0),
_rtpPackets(),
_rtpDump(NULL)
{
if (filename != NULL)
{
_rtpDump = RtpDump::CreateRtpDump();
_rtpDump->Start(filename);
}
}
RTPSendCompleteCallback::~RTPSendCompleteCallback()
{
if (_rtpDump != NULL)
{
_rtpDump->Stop();
RtpDump::DestroyRtpDump(_rtpDump);
}
// Delete remaining packets
while (!_rtpPackets.Empty())
{
// Take first packet in list
delete static_cast<rtpPacket*>((_rtpPackets.First())->GetItem());
_rtpPackets.PopFront();
}
}
int
RTPSendCompleteCallback::SendPacket(int channel, const void *data, int len)
{
_sendCount++;
_totalSentLength += len;
if (_rtpDump != NULL)
{
if (_rtpDump->DumpPacket((const WebRtc_UWord8*)data, len) != 0)
{
return -1;
}
}
bool transmitPacket = PacketLoss();
WebRtc_UWord64 now = VCMTickTime::MillisecondTimestamp();
// Insert outgoing packet into list
if (transmitPacket)
{
rtpPacket* newPacket = new rtpPacket();
memcpy(newPacket->data, data, len);
newPacket->length = len;
// Simulate receive time = network delay + packet jitter
// simulated as a Normal distribution random variable with
// mean = networkDelay and variance = jitterVar
WebRtc_Word32
simulatedDelay = (WebRtc_Word32)NormalDist(_networkDelayMs,
sqrt(_jitterVar));
newPacket->receiveTime = now + simulatedDelay;
_rtpPackets.PushBack(newPacket);
}
// Are we ready to send packets to the receiver?
rtpPacket* packet = NULL;
while (!_rtpPackets.Empty())
{
// Take first packet in list
packet = static_cast<rtpPacket*>((_rtpPackets.First())->GetItem());
WebRtc_Word64 timeToReceive = packet->receiveTime - now;
if (timeToReceive > 0)
{
// No available packets to send
break;
}
_rtpPackets.PopFront();
// Send to receive side
if (_rtp->IncomingPacket((const WebRtc_UWord8*)packet->data,
packet->length) < 0)
{
delete packet;
packet = NULL;
// Will return an error after the first packet that goes wrong
return -1;
}
delete packet;
packet = NULL;
}
return len; // OK
}
int
RTPSendCompleteCallback::SendRTCPPacket(int channel, const void *data, int len)
{
// Incorporate network conditions
return SendPacket(channel, data, len);
}
void
RTPSendCompleteCallback::SetLossPct(double lossPct)
{
_lossPct = lossPct;
return;
}
void
RTPSendCompleteCallback::SetBurstLength(double burstLength)
{
_burstLength = burstLength;
return;
}
bool
RTPSendCompleteCallback::PacketLoss()
{
bool transmitPacket = true;
if (_burstLength <= 1.0)
{
// Random loss: if _burstLength parameter is not set, or <=1
if (UnifomLoss(_lossPct))
{
// drop
transmitPacket = false;
}
}
else
{
// Simulate bursty channel (Gilbert model)
// (1st order) Markov chain model with memory of the previous/last
// packet state (loss or received)
// 0 = received state
// 1 = loss state
// probTrans10: if previous packet is lost, prob. to -> received state
// probTrans11: if previous packet is lost, prob. to -> loss state
// probTrans01: if previous packet is received, prob. to -> loss state
// probTrans00: if previous packet is received, prob. to -> received
// Map the two channel parameters (average loss rate and burst length)
// to the transition probabilities:
double probTrans10 = 100 * (1.0 / _burstLength);
double probTrans11 = (100.0 - probTrans10);
double probTrans01 = (probTrans10 * ( _lossPct / (100.0 - _lossPct)));
// Note: Random loss (Bernoulli) model is a special case where:
// burstLength = 100.0 / (100.0 - _lossPct) (i.e., p10 + p01 = 100)
if (_prevLossState == 0 )
{
// previous packet was received
if (UnifomLoss(probTrans01))
{
// drop, update previous state to loss
_prevLossState = 1;
transmitPacket = false;
}
}
else if (_prevLossState == 1)
{
_prevLossState = 0;
// previous packet was lost
if (UnifomLoss(probTrans11))
{
// drop, update previous state to loss
_prevLossState = 1;
transmitPacket = false;
}
}
}
return transmitPacket;
}
bool
RTPSendCompleteCallback::UnifomLoss(double lossPct)
{
double randVal = (std::rand() + 1.0)/(RAND_MAX + 1.0);
return randVal < lossPct/100;
}
WebRtc_Word32
PacketRequester::ResendPackets(const WebRtc_UWord16* sequenceNumbers,
WebRtc_UWord16 length)
{
return _rtp.SendNACK(sequenceNumbers, length);
}
RTPVideoCodecTypes
ConvertCodecType(const char* plname)
{
@ -428,30 +50,5 @@ ConvertCodecType(const char* plname)
{
return kRTPVideoNoVideo; // Default value
}
}
WebRtc_Word32
SendStatsTest::SendStatistics(const WebRtc_UWord32 bitRate,
const WebRtc_UWord32 frameRate)
{
TEST(frameRate <= _frameRate);
TEST(bitRate > 0 && bitRate < 100000);
printf("VCM 1 sec: Bit rate: %u\tFrame rate: %u\n", bitRate, frameRate);
return 0;
}
WebRtc_Word32
KeyFrameReqTest::FrameTypeRequest(const FrameType frameType)
{
TEST(frameType == kVideoFrameKey);
if (frameType == kVideoFrameKey)
{
printf("Key frame requested\n");
}
else
{
printf("Non-key frame requested: %d\n", frameType);
}
return 0;
}

217
src/modules/video_coding/main/test/test_util.h
View File

@ -8,22 +8,19 @@
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef TEST_UTIL_H
#define TEST_UTIL_H
#ifndef WEBRTC_MODULES_VIDEO_CODING_TEST_TEST_UTIL_H_
#define WEBRTC_MODULES_VIDEO_CODING_TEST_TEST_UTIL_H_
/*
* General declarations used through out VCM offline tests.
*/
#include "video_coding.h"
#include "rtp_rtcp.h"
#include "trace.h"
#include "module_common_types.h"
#include "tick_time.h"
#include "test_util.h"
#include "list_wrapper.h"
#include <string.h>
#include <fstream>
#include <cstdlib>
enum { kMaxWaitEncTimeMs = 100 };
// Class used for passing command line arguments to tests
class CmdArgs
@ -52,136 +49,6 @@ public:
// forward declaration
int MTRxTxTest(CmdArgs& args);
double NormalDist(double mean, double stdDev);
namespace webrtc
{
class RtpDump;
}
// Definition of general test function to be used by VCM tester
// (mainly send side)
/*
Includes the following:
1. General Callback definition for VCM test functions - no RTP.
2. EncodeComplete callback:
2a. Transfer encoded data directly to the decoder
2b. Pass encoded data via the RTP module
3. Calculate PSNR from file function (for now: does not deal with frame drops)
*/
// Send Side - Packetization callback - send an encoded frame to the VCMReceiver
class VCMEncodeCompleteCallback: public webrtc::VCMPacketizationCallback
{
public:
// constructor input: file in which encoded data will be written
VCMEncodeCompleteCallback(FILE* encodedFile);
virtual ~VCMEncodeCompleteCallback();
// Register transport callback
void RegisterTransportCallback(webrtc::VCMPacketizationCallback* transport);
// Process encoded data received from the encoder, pass stream to the
// VCMReceiver module
WebRtc_Word32 SendData(const webrtc::FrameType frameType,
const WebRtc_UWord8 payloadType, const WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData, const WebRtc_UWord32 payloadSize,
const webrtc::RTPFragmentationHeader& fragmentationHeader,
const webrtc::RTPVideoTypeHeader* videoTypeHdr);
// Register exisitng VCM. Currently - encode and decode under same module.
void RegisterReceiverVCM(webrtc::VideoCodingModule *vcm) {_VCMReceiver = vcm;}
// Return size of last encoded frame encoded data (all frames in the sequence)
// Good for only one call - after which will reset value
// (to allow detection of frame drop)
float EncodedBytes();
// Return encode complete (true/false)
bool EncodeComplete();
// Inform callback of codec used
void SetCodecType(webrtc::RTPVideoCodecTypes codecType)
{_codecType = codecType;}
// Inform callback of frame dimensions
void SetFrameDimensions(WebRtc_Word32 width, WebRtc_Word32 height)
{
_width = width;
_height = height;
}
//Initialize callback data
void Initialize();
void ResetByteCount();
// Conversion function for payload type (needed for the callback function)
private:
FILE* _encodedFile;
float _encodedBytes;
webrtc::VideoCodingModule* _VCMReceiver;
webrtc::FrameType _frameType;
WebRtc_UWord8* _payloadData;
WebRtc_UWord8 _seqNo;
bool _encodeComplete;
WebRtc_Word32 _width;
WebRtc_Word32 _height;
webrtc::RTPVideoCodecTypes _codecType;
}; // end of VCMEncodeCompleteCallback
// Send Side - Packetization callback - packetize an encoded frame via the
// RTP module
class VCMRTPEncodeCompleteCallback: public webrtc::VCMPacketizationCallback
{
public:
VCMRTPEncodeCompleteCallback(webrtc::RtpRtcp* rtp) :
_encodedBytes(0),
_seqNo(0),
_encodeComplete(false),
_RTPModule(rtp) {}
virtual ~VCMRTPEncodeCompleteCallback() {}
// Process encoded data received from the encoder, pass stream to the
// RTP module
WebRtc_Word32 SendData(const webrtc::FrameType frameType,
const WebRtc_UWord8 payloadType, const WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData, const WebRtc_UWord32 payloadSize,
const webrtc::RTPFragmentationHeader& fragmentationHeader,
const webrtc::RTPVideoTypeHeader* videoTypeHdr);
// Return size of last encoded frame. Value good for one call
// (resets to zero after call to inform test of frame drop)
float EncodedBytes();
// return encode complete (true/false)
bool EncodeComplete();
// Inform callback of codec used
void SetCodecType(webrtc::RTPVideoCodecTypes codecType)
{_codecType = codecType;}
// Inform callback of frame dimensions
void SetFrameDimensions(WebRtc_Word16 width, WebRtc_Word16 height)
{
_width = width;
_height = height;
}
private:
float _encodedBytes;
webrtc::FrameType _frameType;
WebRtc_UWord8* _payloadData;
WebRtc_UWord16 _seqNo;
bool _encodeComplete;
webrtc::RtpRtcp* _RTPModule;
WebRtc_Word16 _width;
WebRtc_Word16 _height;
webrtc::RTPVideoCodecTypes _codecType;
}; // end of VCMEncodeCompleteCallback
class VCMDecodeCompleteCallback: public webrtc::VCMReceiveCallback
{
public:
VCMDecodeCompleteCallback(FILE* decodedFile) :
_decodedFile(decodedFile), _decodedBytes(0) {}
virtual ~VCMDecodeCompleteCallback() {}
// will write decoded frame into file
WebRtc_Word32 FrameToRender(webrtc::VideoFrame& videoFrame);
WebRtc_Word32 DecodedBytes();
private:
FILE* _decodedFile;
WebRtc_UWord32 _decodedBytes;
}; // end of VCMDecodeCompleCallback class
typedef struct
{
@ -191,80 +58,8 @@ typedef struct
} rtpPacket;
class RTPSendCompleteCallback: public webrtc::Transport
{
public:
// constructor input: (receive side) rtp module to send encoded data to
RTPSendCompleteCallback(webrtc::RtpRtcp* rtp,
const char* filename = NULL);
virtual ~RTPSendCompleteCallback();
// Send Packet to receive side RTP module
virtual int SendPacket(int channel, const void *data, int len);
// Send RTCP Packet to receive side RTP module
virtual int SendRTCPPacket(int channel, const void *data, int len);
// Set percentage of channel loss in the network
void SetLossPct(double lossPct);
// Set average size of burst loss
void SetBurstLength(double burstLength);
// Set network delay in the network
void SetNetworkDelay(WebRtc_UWord32 networkDelayMs)
{_networkDelayMs = networkDelayMs;};
// Set Packet jitter delay
void SetJitterVar(WebRtc_UWord32 jitterVar)
{_jitterVar = jitterVar;};
// Return send count
int SendCount() {return _sendCount; }
// Return accumulated length in bytes of transmitted packets
WebRtc_UWord32 TotalSentLength() {return _totalSentLength;}
protected:
// Randomly decide whether to drop packets, based on the channel model
bool PacketLoss();
// Random uniform loss model
bool UnifomLoss(double lossPct);
WebRtc_UWord32 _sendCount;
webrtc::RtpRtcp* _rtp;
double _lossPct;
double _burstLength;
WebRtc_UWord32 _networkDelayMs;
double _jitterVar;
bool _prevLossState;
WebRtc_UWord32 _totalSentLength;
webrtc::ListWrapper _rtpPackets;
webrtc::RtpDump* _rtpDump;
};
class PacketRequester: public webrtc::VCMPacketRequestCallback
{
public:
PacketRequester(webrtc::RtpRtcp& rtp) :
_rtp(rtp) {}
WebRtc_Word32 ResendPackets(const WebRtc_UWord16* sequenceNumbers,
WebRtc_UWord16 length);
private:
webrtc::RtpRtcp& _rtp;
};
// Codec type conversion
webrtc::RTPVideoCodecTypes
ConvertCodecType(const char* plname);
class SendStatsTest: public webrtc::VCMSendStatisticsCallback
{
public:
SendStatsTest() : _frameRate(15) {}
WebRtc_Word32 SendStatistics(const WebRtc_UWord32 bitRate,
const WebRtc_UWord32 frameRate);
void SetTargetFrameRate(WebRtc_UWord32 frameRate) {_frameRate = frameRate;}
private:
WebRtc_UWord32 _frameRate;
};
class KeyFrameReqTest: public webrtc::VCMFrameTypeCallback
{
public:
WebRtc_Word32 FrameTypeRequest(const webrtc::FrameType frameType);
};
#endif