615 lines
19 KiB
C++
615 lines
19 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// Implementation of Media Optimization Test
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// testing is done via the VCM module, no specific Media opt functionality.
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#include "receiver_tests.h" // receive side callbacks
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#include "video_coding.h"
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#include "rtp_rtcp.h"
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#include "test_util.h" // send side callback
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#include "media_opt_test.h"
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#include "../source/event.h"
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#include <string.h>
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#include <stdio.h>
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#include <vector>
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//#include <Windows.h>
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#include <time.h>
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using namespace webrtc;
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int MediaOptTest::RunTest(int testNum, CmdArgs& args)
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{
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Trace::CreateTrace();
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Trace::SetTraceFile("mediaOptTestTrace.txt");
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Trace::SetLevelFilter(webrtc::kTraceAll);
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VideoCodingModule* vcm = VideoCodingModule::Create(1);
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MediaOptTest* mot = new MediaOptTest(vcm);
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if (testNum == 0)
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{ // regular
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mot->Setup(0, args);
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mot->GeneralSetup();
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mot->Perform();
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mot->Print(1);// print to screen
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mot->TearDown();
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}
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if (testNum == 1)
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{ // release test
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mot->Setup(0, args);
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mot->RTTest();
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}
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if (testNum == 2)
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{ // release test, running from script
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mot->Setup(1, args);
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mot->GeneralSetup();
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mot->Perform();
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mot->Print(1);// print to screen
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mot->TearDown();
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}
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VideoCodingModule::Destroy(vcm);
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delete mot;
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Trace::ReturnTrace();
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return 0;
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}
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MediaOptTest::MediaOptTest(VideoCodingModule* vcm):
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_vcm(vcm),
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_width(0),
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_height(0),
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_lengthSourceFrame(0),
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_timeStamp(0),
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_frameRate(30.0f),
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_nackEnabled(false),
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_fecEnabled(false),
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_rttMS(0),
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_renderDelayMs(0),
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_bitRate(300.0f),
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_lossRate(0.0f),
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_frameCnt(0),
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_sumEncBytes(0),
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_numFramesDropped(0),
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_numberOfCores(4),
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vcmMacrosTests(0),
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vcmMacrosErrors(0)
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{
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_rtp = RtpRtcp::CreateRtpRtcp(1, false);
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}
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MediaOptTest::~MediaOptTest()
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{
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RtpRtcp::DestroyRtpRtcp(_rtp);
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}
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void
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MediaOptTest::Setup(int testType, CmdArgs& args)
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{
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/*TEST USER SETTINGS*/
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// test parameters
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_inname = args.inputFile;
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if (args.outputFile == "")
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_outname = "../MOTest_out.vp8";
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else
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_outname = args.outputFile;
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_actualSourcename = "../MOTestSource.yuv"; // actual source after frame dropping
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_codecName = args.codecName;
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_sendCodecType = args.codecType;
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_width = args.width;
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_height = args.height;
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_frameRate = args.frameRate;
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_bitRate = args.bitRate;
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_numberOfCores = 4;
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// error resilience
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_nackEnabled = false;
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_fecEnabled = true;
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_nackFecEnabled = false;
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_rttMS = 100;
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_lossRate = 0.00*255; // no packet loss
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_testType = testType;
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//For multiple runs with script
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if (_testType == 1)
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{
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float rateTest,lossTest;
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int numRuns;
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_fpinp = fopen("dat_inp","rb");
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_fpout = fopen("test_runs/dat_out","ab");
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_fpout2 = fopen("test_runs/dat_out2","ab");
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fscanf(_fpinp,"%f %f %d \n",&rateTest,&lossTest,&numRuns);
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_bitRate = rateTest;
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_lossRate = lossTest;
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_testNum = 0;
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// for bit rates: 500, 1000, 2000, 3000,4000
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// for loss rates: 0, 1, 3, 5, 10%
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_numParRuns = 25;
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_testNum = numRuns + 1;
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if (rateTest == 0.0) _lossRate = 0.0;
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else
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{
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if (rateTest == 4000) //final bit rate
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{
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if (lossTest == 0.1*255) _lossRate = 0.0; //start at 1%
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else
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if (lossTest == 0.05*255) _lossRate = 0.1*255; //final loss rate
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else
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if (lossTest == 0.0) _lossRate = 0.01*255;
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else _lossRate = lossTest + 0.02*255;
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}
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}
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if (rateTest == 0.0 || rateTest == 4000) _bitRate = 500; //starting bit rate
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else
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if (rateTest == 500) _bitRate = 1000;
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else _bitRate = rateTest + 1000;
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}
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//
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_renderDelayMs = 0;
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WebRtc_UWord32 minPlayoutDelayMs = 0;
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/* test settings end*/
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_lengthSourceFrame = 3*_width*_height/2;
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_log.open("../VCM_MediaOptLog.txt", std::fstream::out | std::fstream::app);
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return;
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}
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void
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MediaOptTest::GeneralSetup()
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{
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WebRtc_UWord8 deltaFECRate = 0;
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WebRtc_UWord8 keyFECRate = 0;
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WebRtc_UWord32 minPlayoutDelayMs = 0;
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if ((_sourceFile = fopen(_inname.c_str(), "rb")) == NULL)
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{
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printf("Cannot read file %s.\n", _inname.c_str());
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exit(1);
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}
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if ((_decodedFile = fopen(_outname.c_str(), "wb")) == NULL)
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{
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printf("Cannot read file %s.\n", _outname.c_str());
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exit(1);
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}
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if ((_actualSourceFile = fopen(_actualSourcename.c_str(), "wb")) == NULL)
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{
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printf("Cannot read file %s.\n", _actualSourcename.c_str());
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exit(1);
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}
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if (_rtp->InitReceiver() < 0)
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{
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exit(1);
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}
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if (_rtp->InitSender() < 0)
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{
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exit(1);
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}
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if (_vcm->InitializeReceiver() < 0)
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{
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exit(1);
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}
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if (_vcm->InitializeSender())
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{
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exit(1);
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}
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// Registering codecs for the RTP module
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// Register receive payload
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_rtp->RegisterReceivePayload("VP8", VCM_VP8_PAYLOAD_TYPE);
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_rtp->RegisterReceivePayload("ULPFEC", VCM_ULPFEC_PAYLOAD_TYPE);
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_rtp->RegisterReceivePayload("RED", VCM_RED_PAYLOAD_TYPE);
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// Register send payload
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_rtp->RegisterSendPayload("VP8", VCM_VP8_PAYLOAD_TYPE);
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_rtp->RegisterSendPayload("ULPFEC", VCM_ULPFEC_PAYLOAD_TYPE);
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_rtp->RegisterSendPayload("RED", VCM_RED_PAYLOAD_TYPE);
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if (_nackFecEnabled == 1)
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_rtp->SetGenericFECStatus(_nackFecEnabled, VCM_RED_PAYLOAD_TYPE,
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VCM_ULPFEC_PAYLOAD_TYPE);
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else
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_rtp->SetGenericFECStatus(_fecEnabled, VCM_RED_PAYLOAD_TYPE,
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VCM_ULPFEC_PAYLOAD_TYPE);
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// VCM: Registering codecs
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VideoCodec sendCodec;
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_vcm->InitializeSender();
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_vcm->InitializeReceiver();
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WebRtc_Word32 numberOfCodecs = _vcm->NumberOfCodecs();
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if (numberOfCodecs < 1)
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{
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exit(1);
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}
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WebRtc_UWord8 i= 0;
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if (_vcm->Codec(_sendCodecType, &sendCodec) != 0)
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{
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printf("Unknown codec\n");
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exit(1);
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}
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// register codec
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sendCodec.startBitrate = (int) _bitRate;
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sendCodec.height = _height;
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sendCodec.width = _width;
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sendCodec.maxFramerate = (WebRtc_UWord8)_frameRate;
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_vcm->RegisterSendCodec(&sendCodec, _numberOfCores, 1440);
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_vcm->RegisterReceiveCodec(&sendCodec, _numberOfCores); // same settings for encode and decode
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_vcm->SetRenderDelay(_renderDelayMs);
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_vcm->SetMinimumPlayoutDelay(minPlayoutDelayMs);
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return;
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}
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// The following test shall be conducted under release tests
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WebRtc_Word32
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MediaOptTest::Perform()
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{
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//Setup();
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EventWrapper* waitEvent = EventWrapper::Create();
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// callback settings
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VCMRTPEncodeCompleteCallback* encodeCompleteCallback = new VCMRTPEncodeCompleteCallback(_rtp);
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_vcm->RegisterTransportCallback(encodeCompleteCallback);
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encodeCompleteCallback->SetCodecType(ConvertCodecType(_codecName.c_str()));
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encodeCompleteCallback->SetFrameDimensions(_width, _height);
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// frame ready to be sent to network
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RTPSendCompleteCallback* outgoingTransport = new RTPSendCompleteCallback(_rtp);
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_rtp->RegisterSendTransport(outgoingTransport);
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//FrameReceiveCallback
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VCMDecodeCompleteCallback receiveCallback(_decodedFile);
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RtpDataCallback dataCallback(_vcm);
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_rtp->RegisterIncomingDataCallback(&dataCallback);
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VCMTestProtectionCallback protectionCallback;
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_vcm->RegisterProtectionCallback(&protectionCallback);
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// set error resilience / test parameters:
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outgoingTransport->SetLossPct(_lossRate);
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if (_nackFecEnabled == 1)
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_vcm->SetVideoProtection(kProtectionNackFEC, _nackFecEnabled);
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else
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{
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_vcm->SetVideoProtection(kProtectionNack, _nackEnabled);
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_vcm->SetVideoProtection(kProtectionFEC, _fecEnabled);
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}
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// START TEST
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VideoFrame sourceFrame;
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sourceFrame.VerifyAndAllocate(_lengthSourceFrame);
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WebRtc_UWord8* tmpBuffer = new WebRtc_UWord8[_lengthSourceFrame];
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_vcm->SetChannelParameters((WebRtc_UWord32)_bitRate, (WebRtc_UWord8)_lossRate, _rttMS);
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_vcm->RegisterReceiveCallback(&receiveCallback);
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// inform RTP Module of error resilience features
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_rtp->SetFECCodeRate(protectionCallback.FECKeyRate(),protectionCallback.FECDeltaRate());
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_rtp->SetNACKStatus(protectionCallback.NACKMethod());
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_frameCnt = 0;
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_sumEncBytes = 0.0;
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_numFramesDropped = 0;
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while (feof(_sourceFile)== 0)
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{
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fread(tmpBuffer, 1, _lengthSourceFrame, _sourceFile);
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_frameCnt++;
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sourceFrame.CopyFrame(_lengthSourceFrame, tmpBuffer);
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sourceFrame.SetHeight(_height);
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sourceFrame.SetWidth(_width);
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_timeStamp += (WebRtc_UWord32)(9e4 / static_cast<float>(_frameRate));
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sourceFrame.SetTimeStamp(_timeStamp);
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TEST(_vcm->AddVideoFrame(sourceFrame) == VCM_OK);
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// inform RTP Module of error resilience features
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//_rtp->SetFECCodeRate(protectionCallback.FECKeyRate(),protectionCallback.FECDeltaRate());
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//_rtp->SetNACKStatus(protectionCallback.NACKMethod());
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WebRtc_Word32 ret = _vcm->Decode();
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if (ret < 0 )
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{
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TEST(ret == 0);
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printf ("Decode error in frame # %d",_frameCnt);
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}
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float encBytes = encodeCompleteCallback->EncodedBytes();
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if (encBytes == 0)
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{
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_numFramesDropped += 1;
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//printf("frame #%d dropped \n", _frameCnt );
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}
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else
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{
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// write frame to file
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fwrite(sourceFrame.Buffer(), 1, sourceFrame.Length(), _actualSourceFile);
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}
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_sumEncBytes += encBytes;
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//waitEvent->Wait(33);
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}
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//END TEST
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delete waitEvent;
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delete encodeCompleteCallback;
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delete outgoingTransport;
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delete tmpBuffer;
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return 0;
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}
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void
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MediaOptTest::RTTest()
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{
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// will only calculate PSNR - not create output files for all
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// SET UP
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// Set bit rates
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const float bitRateVec[] = {500, 1000, 2000,3000, 4000};
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//const float bitRateVec[] = {1000};
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// Set Packet loss values ([0,255])
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const double lossPctVec[] = {0.0*255, 0.0*255, 0.01*255, 0.01*255, 0.03*255, 0.03*255, 0.05*255, 0.05*255, 0.1*255, 0.1*255};
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const bool nackEnabledVec[] = {false , false, false, false, false, false, false, false , false, false};
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const bool fecEnabledVec[] = {false , true, false, true , false, true , false, true , false, true};
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// fec and nack are set according to the packet loss values
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const float nBitrates = sizeof(bitRateVec)/sizeof(*bitRateVec);
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const float nlossPct = sizeof(lossPctVec)/sizeof(*lossPctVec);
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std::vector<const VideoSource*> sources;
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std::vector<const VideoSource*>::iterator it;
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sources.push_back(new const VideoSource(_inname, _width, _height));
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int numOfSrc = 1;
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// constant settings (valid for entire run time)
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_rttMS = 20;
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_renderDelayMs = 0;
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WebRtc_UWord32 minPlayoutDelayMs = 0;
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_outname = "../RTMOTest_out.yuv"; // same out name for all
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_actualSourcename = "../RTMOTestSource.yuv"; // actual source after frame dropping
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_codecName = "VP8"; // for now just this one - later iterate over all codec types
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_log.open("../VCM_RTMediaOptLog.txt", std::fstream::out | std::fstream::app);
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_outputRes=fopen("../VCM_MediaOpt","ab");
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//char filename[128];
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/* test settings end*/
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// START TEST
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// iterate over test sequences
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printf("\n****START TEST OVER ALL RUNS ****\n");
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int runCnt = 0;
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for (it = sources.begin() ; it < sources.end(); it++)
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{
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// test set up
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_inname = (*it)->GetFileName();
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_width = (*it)->GetWidth();
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_height = (*it)->GetHeight();
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_lengthSourceFrame = 3*_width*_height/2;
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_frameRate = (*it)->GetFrameRate();
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//GeneralSetup();
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// iterate over all bit rates
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for (int i = 0; i < nBitrates; i++)
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{
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_bitRate = static_cast<float>(bitRateVec[i]);
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// iterate over all packet loss values
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for (int j = 0; j < nlossPct; j++)
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{
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_lossRate = static_cast<float>(lossPctVec[j]);
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_nackEnabled = static_cast<bool>(nackEnabledVec[j]);
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_fecEnabled = static_cast<bool>(fecEnabledVec[j]);
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runCnt++;
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printf("run #%d out of %d \n", runCnt,(int)(nlossPct*nBitrates*numOfSrc));
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//printf("**FOR RUN: **%d %d %d %d \n",_nackEnabled,_fecEnabled,int(lossPctVec[j]),int(_bitRate));
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/*
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int ch = sprintf(filename,"../test_mediaOpt/RTMOTest_%d_%d_%d_%d.yuv",_nackEnabled,_fecEnabled,int(lossPctVec[j]),int(_bitRate));
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_outname = filename;
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printf("**FOR RUN: **%d %d %d %d \n",_nackEnabled,_fecEnabled,int(lossPctVec[j]),int(_bitRate));
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*/
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if (_rtp != NULL)
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{
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RtpRtcp::DestroyRtpRtcp(_rtp);
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}
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_rtp = RtpRtcp::CreateRtpRtcp(1, false);
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GeneralSetup();
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Perform();
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Print(1);
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TearDown();
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RtpRtcp::DestroyRtpRtcp(_rtp);
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_rtp = NULL;
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printf("\n");
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//printf("**DONE WITH RUN: **%d %d %f %d \n",_nackEnabled,_fecEnabled,lossPctVec[j],int(_bitRate));
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//
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}// end of packet loss loop
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}// end of bit rate loop
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delete *it;
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}// end of video sequence loop
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// at end of sequence
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fclose(_outputRes);
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printf("\nVCM Media Optimization Test: \n\n%i tests completed\n", vcmMacrosTests);
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if (vcmMacrosErrors > 0)
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{
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printf("%i FAILED\n\n", vcmMacrosErrors);
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}
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else
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{
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printf("ALL PASSED\n\n");
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}
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}
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void
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MediaOptTest::Print(int mode)
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{
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double ActualBitRate = 8.0 *( _sumEncBytes / (_frameCnt / _frameRate));
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double actualBitRate = ActualBitRate / 1000.0;
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double psnr;
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PSNRfromFiles(_actualSourcename.c_str(), _outname.c_str(), _width, _height, &psnr);
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(_log) << "VCM: Media Optimization Test Cycle Completed!" << std::endl;
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(_log) << "Input file: " << _inname << std::endl;
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(_log) << "Output file:" << _outname << std::endl;
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( _log) << "Actual bitrate: " << actualBitRate<< " kbps\tTarget: " << _bitRate << " kbps" << std::endl;
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(_log) << "Error Reslience: NACK:" << _nackEnabled << "; FEC: " << _fecEnabled << std::endl;
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(_log) << "Packet Loss applied= %f " << _lossRate << std::endl;
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(_log) << _numFramesDropped << " FRames were dropped" << std::endl;
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( _log) << "PSNR: " << psnr << std::endl;
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(_log) << std::endl;
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if (_testType == 2)
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{
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fprintf(_outputRes,"************\n");
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fprintf(_outputRes,"\n\n\n");
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fprintf(_outputRes,"Actual bitrate: %f kbps\n", actualBitRate);
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fprintf(_outputRes,"Target bitrate: %f kbps\n", _bitRate);
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fprintf(_outputRes,"NACK: %s ",(_nackEnabled)?"true":"false");
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fprintf(_outputRes,"FEC: %s \n ",(_fecEnabled)?"true":"false");
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fprintf(_outputRes,"Packet loss applied = %f\n", _lossRate);
|
|
fprintf(_outputRes,"%d frames were dropped, and total number of frames processed %d \n",_numFramesDropped,_frameCnt);
|
|
fprintf(_outputRes,"PSNR: %f \n", psnr);
|
|
fprintf(_outputRes,"************\n");
|
|
}
|
|
|
|
|
|
//
|
|
if (_testType == 1)
|
|
{
|
|
fprintf(_fpout,"************\n");
|
|
fprintf(_fpout,"\n\n\n");
|
|
fprintf(_fpout,"Actual bitrate: %f kbps\n", actualBitRate);
|
|
fprintf(_fpout,"Target bitrate: %f kbps\n", _bitRate);
|
|
fprintf(_fpout,"NACK: %s ",(_nackEnabled)?"true":"false");
|
|
fprintf(_fpout,"FEC: %s \n ",(_fecEnabled)?"true":"false");
|
|
fprintf(_fpout,"Packet loss applied = %f\n", _lossRate);
|
|
fprintf(_fpout,"%d frames were dropped, and total number of frames processed %d \n",_numFramesDropped,_frameCnt);
|
|
fprintf(_fpout,"PSNR: %f \n", psnr);
|
|
fprintf(_fpout,"************\n");
|
|
|
|
int testNum1 = _testNum/(_numParRuns +1) + 1;
|
|
int testNum2 = _testNum%_numParRuns;
|
|
if (testNum2 == 0) testNum2 = _numParRuns;
|
|
fprintf(_fpout2,"%d %d %f %f %f %f \n",testNum1,testNum2,_bitRate,actualBitRate,_lossRate,psnr);
|
|
fclose(_fpinp);
|
|
_fpinp = fopen("dat_inp","wb");
|
|
fprintf(_fpinp,"%f %f %d \n",_bitRate,_lossRate,_testNum);
|
|
}
|
|
//
|
|
|
|
|
|
if (mode == 1)
|
|
{
|
|
// print to screen
|
|
printf("\n\n\n");
|
|
printf("Actual bitrate: %f kbps\n", actualBitRate);
|
|
printf("Target bitrate: %f kbps\n", _bitRate);
|
|
printf("NACK: %s ",(_nackEnabled)?"true":"false");
|
|
printf("FEC: %s \n",(_fecEnabled)?"true":"false");
|
|
printf("Packet loss applied = %f\n", _lossRate);
|
|
printf("%d frames were dropped, and total number of frames processed %d \n",_numFramesDropped,_frameCnt);
|
|
printf("PSNR: %f \n", psnr);
|
|
}
|
|
TEST(psnr > 10); // low becuase of possible frame dropping (need to verify that OK for all packet loss values/ rates)
|
|
}
|
|
|
|
void
|
|
MediaOptTest::TearDown()
|
|
{
|
|
_log.close();
|
|
fclose(_sourceFile);
|
|
fclose(_decodedFile);
|
|
fclose(_actualSourceFile);
|
|
return;
|
|
}
|
|
|
|
|
|
VCMTestProtectionCallback::VCMTestProtectionCallback():
|
|
_deltaFECRate(0),
|
|
_keyFECRate(0),
|
|
_nack(kNackOff)
|
|
{
|
|
//
|
|
}
|
|
|
|
VCMTestProtectionCallback::~VCMTestProtectionCallback()
|
|
{
|
|
//
|
|
}
|
|
|
|
WebRtc_Word32
|
|
VCMTestProtectionCallback::ProtectionRequest(const WebRtc_UWord8 deltaFECRate, const WebRtc_UWord8 keyFECRate, const bool nack)
|
|
{
|
|
_deltaFECRate = deltaFECRate;
|
|
_keyFECRate = keyFECRate;
|
|
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;
|
|
}
|
|
|
|
|
|
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);
|
|
}
|