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/*
* 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 "webrtc/modules/video_coding/main/test/test_util.h"
#include <assert.h>
#include <math.h>
#include <iomanip>
#include <sstream>
#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
#include "webrtc/modules/video_coding/main/source/internal_defines.h"
#include "webrtc/test/testsupport/fileutils.h"
CmdArgs::CmdArgs()
: codecName("VP8"),
codecType(webrtc::kVideoCodecVP8),
width(352),
height(288),
bitRate(500),
frameRate(30),
packetLoss(0),
rtt(0),
protectionMode(0),
camaEnable(0),
inputFile(webrtc::test::ProjectRootPath() + "/resources/foreman_cif.yuv"),
outputFile(webrtc::test::OutputPath() +
"video_coding_test_output_352x288.yuv"),
fv_outputfile(webrtc::test::OutputPath() + "features.txt"),
testNum(0) {
}
// Normal Distribution
#define PI 3.14159265
double NormalDist(double mean, double stdDev)
{
// Creating a Normal distribution variable from two independent uniform
// variables based on the Box-Muller transform
double uniform1 = (rand() + 1.0) / (RAND_MAX + 1.0);
double uniform2 = (rand() + 1.0) / (RAND_MAX + 1.0);
return (mean + stdDev * sqrt(-2 * log(uniform1)) * cos(2 * PI * uniform2));
}
namespace {
void SplitFilename(const std::string& filename, std::string* basename,
std::string* extension) {
assert(basename);
assert(extension);
std::string::size_type idx;
idx = filename.rfind('.');
if(idx != std::string::npos) {
*basename = filename.substr(0, idx);
*extension = filename.substr(idx + 1);
} else {
*basename = filename;
*extension = "";
}
}
std::string AppendWidthHeightCount(const std::string& filename, int width,
int height, int count) {
std::string basename;
std::string extension;
SplitFilename(filename, &basename, &extension);
std::stringstream ss;
ss << basename << "_" << count << "." << width << "_" << height << "." <<
extension;
return ss.str();
}
} // namespace
FileOutputFrameReceiver::FileOutputFrameReceiver(
const std::string& base_out_filename, uint32_t ssrc)
: out_filename_(),
out_file_(NULL),
timing_file_(NULL),
width_(0),
height_(0),
count_(0) {
std::string basename;
std::string extension;
if (base_out_filename == "") {
basename = webrtc::test::OutputPath() + "rtp_decoded";
extension = "yuv";
} else {
SplitFilename(base_out_filename, &basename, &extension);
}
std::stringstream ss;
ss << basename << "_" << std::hex << std::setw(8) << std::setfill('0') <<
ssrc << "." << extension;
out_filename_ = ss.str();
}
FileOutputFrameReceiver::~FileOutputFrameReceiver() {
if (timing_file_ != NULL) {
fclose(timing_file_);
}
if (out_file_ != NULL) {
fclose(out_file_);
}
}
int32_t FileOutputFrameReceiver::FrameToRender(
webrtc::I420VideoFrame& video_frame) {
if (timing_file_ == NULL) {
std::string basename;
std::string extension;
SplitFilename(out_filename_, &basename, &extension);
timing_file_ = fopen((basename + "_renderTiming.txt").c_str(), "w");
if (timing_file_ == NULL) {
return -1;
}
}
if (out_file_ == NULL || video_frame.width() != width_ ||
video_frame.height() != height_) {
if (out_file_) {
fclose(out_file_);
}
printf("New size: %dx%d\n", video_frame.width(), video_frame.height());
width_ = video_frame.width();
height_ = video_frame.height();
std::string filename_with_width_height = AppendWidthHeightCount(
out_filename_, width_, height_, count_);
++count_;
out_file_ = fopen(filename_with_width_height.c_str(), "wb");
if (out_file_ == NULL) {
return -1;
}
}
fprintf(timing_file_, "%u, %u\n", video_frame.timestamp(),
webrtc::MaskWord64ToUWord32(video_frame.render_time_ms()));
if (PrintI420VideoFrame(video_frame, out_file_) < 0) {
return -1;
}
return 0;
}
webrtc::RtpVideoCodecTypes ConvertCodecType(const char* plname) {
if (strncmp(plname,"VP8" , 3) == 0) {
return webrtc::kRtpVideoVp8;
} else {
// Default value.
return webrtc::kRtpVideoGeneric;
}
}
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