本文整理汇总了C++中VideoSource::getFrame方法的典型用法代码示例。如果您正苦于以下问题：C++ VideoSource::getFrame方法的具体用法？C++ VideoSource::getFrame怎么用？C++ VideoSource::getFrame使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VideoSource的用法示例。
在下文中一共展示了VideoSource::getFrame方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: draw
//.........这里部分代码省略.........
glActiveTextureARB(GL_TEXTURE7_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE8_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_2D);
glColor4f(color.x,color.y,color.z,color.w);
if(shaderId==SHADER_NONE){
shader.reset();
}else{
shader.set(shaderId);
for(int lol=0; lol<shaderParameters.size(); lol++){
shader.localParameterFragment(lol,shaderParameters[lol]);
}
}
VideoSource* vs;
float px,py,pz,sx,sy;
pz=pos.z;
if(percent){
px=pos.x*conf->sizeX;
py=pos.y*conf->sizeY;
sx=scale.x*conf->sizeX;
sy=scale.y*conf->sizeY;
}else{
px=pos.x;
py=pos.y;
sx=scale.x;
sy=scale.y;
}
for(int i=0; i<layers.size(); i++){
if(layers[i].substr(0,8)=="picture:"){
GLuint texid=remapPictures[layers[i]];
if(i==0){
glActiveTextureARB(GL_TEXTURE0_ARB);
}else if(i==1){
glActiveTextureARB(GL_TEXTURE1_ARB);
}else if(i==2){
glActiveTextureARB(GL_TEXTURE2_ARB);
}else if(i==3){
glActiveTextureARB(GL_TEXTURE3_ARB);
}
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,texid);
}else{
vs=remap[layers[i]];
if(vs!=NULL){
if(i==0){
glActiveTextureARB(GL_TEXTURE0_ARB);
}else if(i==1){
glActiveTextureARB(GL_TEXTURE1_ARB);
}else if(i==2){
glActiveTextureARB(GL_TEXTURE2_ARB);
}else if(i==3){
glActiveTextureARB(GL_TEXTURE3_ARB);
}
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,vs->texid);
vs->getFrame();
#ifdef VID_SOFTWARE_RESIZE
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, vs->widthp2, vs->heightp2, GL_BGR_EXT, GL_UNSIGNED_BYTE, vs->data);
#else
gluBuild2DMipmaps(GL_TEXTURE_2D, 3, vs->width, vs->height, GL_BGR_EXT , GL_UNSIGNED_BYTE, vs->data);
#endif
}
}
}
float tx=1;
glBegin(GL_QUADS);
glTexCoord2d(0,0); glVertex3f(px ,py,pz);
glTexCoord2d(tx,0); glVertex3f(px+sx ,py,pz);
glTexCoord2d(tx,-tx); glVertex3f(px+sx ,py-sy,pz);
glTexCoord2d(0,-tx); glVertex3f(px ,py-sy,pz);
glEnd();
}示例2: load
bool VideoPanel::load(int layer, String source){
//VideoSource
while(layer>layers.size()){
layers.pushBack("");
}
if(source==""){
layers[layer-1]="";
return true;
}
layers[layer-1]=source;
if(source.substr(0,7)=="camera:"){
VideoSource* vs;
if(!remap.find(source)){
remap[source]=new VideoSource;
vs=remap[source];
}else{
return true;
}
short driver=0;
if(source.substr(7,-1)=="1"){
driver=0;
}else if(source.substr(7,-1)=="2"){
driver=1;
}
#ifdef VID_SOFTWARE_RESIZE
vs->powerOf2=true;
#endif
if(!vs->sourceCapture(driver)){
console().write("error, could not access camera");
return false;
}else{
//console().write("successfully connected to camera");
}
glGenTextures(1, (GLuint*)&vs->texid);
glBindTexture(GL_TEXTURE_2D,vs->texid);
vs->getFrame();
#ifdef VID_SOFTWARE_RESIZE
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, vs->widthp2,vs->heightp2, 0, GL_BGR_EXT, GL_UNSIGNED_BYTE, blank);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); // Linear Filtered
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
#else
gluBuild2DMipmaps(GL_TEXTURE_2D, 3, vs->width,vs->height, GL_BGR_EXT , GL_UNSIGNED_BYTE, vs->data);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
#endif
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
}else if(source.substr(0,5)=="file:"){
VideoSource* vs;
if(!remap.find(source)){
vs=new VideoSource;
remap[source]=vs;
}else{
return true;
}
#ifdef VID_SOFTWARE_RESIZE
vs->powerOf2=true;
#endif
String x=source.substr(5,-1);
if( !vs->sourceAvi(x.c_str()) ){
console().write("error loading video");
return false;
}else{
//console().write("video loaded successfully");
}
glGenTextures(1, (GLuint*)&vs->texid);
glBindTexture(GL_TEXTURE_2D,vs->texid);
vs->getFrame();
#ifdef VID_SOFTWARE_RESIZE
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, vs->widthp2,vs->heightp2, 0, GL_BGR_EXT, GL_UNSIGNED_BYTE, blank);
//.........这里部分代码省略.........
示例3: main
int main( int argc, char* argv[])
{
// On déclare notre pointeur sur SourceVideo
VideoSource *src;
CvVideoWriter *writer = 0;
int isColor = 1;
int fps = 30; // or 30
int frameW = 640; // 744 for firewire cameras
int frameH = 480; // 480 for firewire cameras
writer=cvCreateVideoWriter("out.avi",CV_FOURCC('P','I','M','1'),
fps,cvSize(frameW,frameH),isColor);
if( argc > 1 ) {
// Initialisation : fichier vidéo
string path(argv[1]);
src = new VideoFile( path, (argc > 2) );
}
else {
// Initialisation : webcam
src = new Camera( 0 );
}
// Initialisation du flux vidéo
try {
src->open();
}
catch( Exception &e ) {
// Si une exception se produit, on l'affiche et on quitte.
cout << e.what() << endl;
delete src;
return 10;
}
// Si tout va bien, on affiche les informations du flux vidéo.
cout << src->getInfos() << endl;
cvNamedWindow( "video", CV_WINDOW_AUTOSIZE );
Image img;
char key = 'a';
// Début de la mesure du frame rate
debut_mesure = getTimeMillis();
while( key != 'q' ) {
try {
src->getFrame( img );
}
catch(Exception &e) {
cout << "\n" << e.what() << endl;
break;
}
/*CvScalar scalaire;
scalaire.val[0] = 120;
scalaire.val[1] = scalaire.val[2] = 0;
img.colorFilter(scalaire);*/
img.colorPaint2(top_left,bottom_right);
if (bottom_right.x < 720) {
bottom_right.x++;
}
if (bottom_right.y < 576) {
bottom_right.y++;
}
if (top_left.x > 0) {
top_left.x--;
}
if (top_left.y > 0) {
top_left.y--;
}
//img.colorBlacknWhite();
cvShowImage( "video", img );
cvWriteFrame(writer,img);
key = cvWaitKey( 10 );
// Affichage du frame rate
cout << "\rFrame Rate : " << setw(5);
cout << left << setprecision(4);
cout << calculFrameRate() << " FPS" << flush;
}
cout << endl;
cvDestroyWindow( "video" );
delete src;
return 0;
}