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#include "videoTEST.h"
#include "plugins/PluginFactory.h"
using namespace gem::plugins;
REGISTER_VIDEOFACTORY("test", videoTEST);
static double getRandom(void)
{
static unsigned int random_nextseed = 1489853723;
random_nextseed = random_nextseed * 435898247 + 938284281;
return random_nextseed * (1./4294967296.);;
}
videoTEST::videoTEST(void) :
m_name(std::string("test")),
m_open(false),
m_type(0)
{
m_pixBlock.image.xsize = 64;
m_pixBlock.image.ysize = 64;
m_pixBlock.image.setCsizeByFormat(GEM_RGBA);
m_pixBlock.image.reallocate();
}
videoTEST::~videoTEST(void)
{
}
bool videoTEST::open(gem::Properties&props)
{
setProperties(props);
return (m_open);
}
static void setNoise(unsigned char*data, unsigned int count)
{
unsigned int i=0;
for(i=0; i<count; i++) {
data[chRed]=(255*getRandom());
data[chGreen]=(255*getRandom());
data[chBlue]=(255*getRandom());
data[chAlpha]=255;
data+=4;
}
}
static void setRed(unsigned char*data, unsigned int count)
{
unsigned int i=0;
for(i=0; i<count; i++) {
data[chRed]=255;
data[chGreen]=0;
data[chBlue]=0;
data[chAlpha]=255;
data+=4;
}
}
static void setGreen(unsigned char*data, unsigned int count)
{
unsigned int i=0;
for(i=0; i<count; i++) {
data[chRed]=0;
data[chGreen]=255;
data[chBlue]=0;
data[chAlpha]=255;
data+=4;
}
}
static void setBlue(unsigned char*data, unsigned int count)
{
unsigned int i=0;
for(i=0; i<count; i++) {
data[chRed]=0;
data[chGreen]=0;
data[chBlue]=255;
data[chAlpha]=255;
data+=4;
}
}
pixBlock*videoTEST::getFrame(void)
{
m_pixBlock.image.setCsizeByFormat(GEM_RGBA);
m_pixBlock.image.reallocate();
const unsigned int count = m_pixBlock.image.xsize * m_pixBlock.image.ysize;
unsigned int i=0;
unsigned char*data=m_pixBlock.image.data;
switch(m_type) {
case 1:
setRed(data, count);
break;
case 2:
setGreen(data, count);
break;
case 3:
setBlue(data, count);
break;
default:
setNoise(data, count);
break;
}
m_pixBlock.newimage = true;
return &m_pixBlock;
}
std::vector<std::string>videoTEST::enumerate(void)
{
std::vector<std::string>result;
result.push_back("test");
return result;
}
bool videoTEST::setDevice(int ID)
{
m_open=(0==ID);
return m_open;
}
bool videoTEST::setDevice(const std::string&device)
{
m_open=("test"==device);
return m_open;
}
bool videoTEST::enumProperties(gem::Properties&readable,
gem::Properties&writeable)
{
readable.clear();
writeable.clear();
writeable.set("width", 64);
readable.set("width", 64);
writeable.set("height", 64);
readable.set("height", 64);
writeable.set("type", std::string("noise"));
return true;
}
void videoTEST::setProperties(gem::Properties&props)
{
m_props=props;
double d;
if(props.get("width", d)) {
if(d>0) {
m_pixBlock.image.xsize = d;
}
}
if(props.get("height", d)) {
if(d>0) {
m_pixBlock.image.ysize = d;
}
}
std::string s;
if(props.get("type", s)) {
if("noise"==s) {
m_type=0;
} else if("red"==s) {
m_type=1;
} else if("green"==s) {
m_type=2;
} else if("blue"==s) {
m_type=3;
}
}
}
void videoTEST::getProperties(gem::Properties&props)
{
std::vector<std::string>keys=props.keys();
unsigned int i;
for(i=0; i<keys.size(); i++) {
if("width"==keys[i]) {
props.set(keys[i], m_pixBlock.image.xsize);
}
if("height"==keys[i]) {
props.set(keys[i], m_pixBlock.image.ysize);
}
}
}
std::vector<std::string>videoTEST::dialogs(void)
{
std::vector<std::string>result;
return result;
}
bool videoTEST::provides(const std::string&name)
{
return (name==m_name);
}
std::vector<std::string>videoTEST::provides(void)
{
std::vector<std::string>result;
result.push_back(m_name);
return result;
}
const std::string videoTEST::getName(void)
{
return m_name;
}
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