void ofGstUtils::setDeviceID(unsigned id){
if(!camData.bInited) get_video_devices(camData);
if(camData.webcam_devices.size()>id){
deviceID = id;
}else{
ofLog(OF_LOG_WARNING,"ofGstUtils: selected device doesn't exist, selecting device 0");
}
}
void ofGstUtils::setDeviceID(int id) {
if(!camData.bInited) get_video_devices(camData);
if(camData.num_webcam_devices>id) {
deviceID = id;
} else {
// ofLog(OF_LOG_WARNING,"ofGstUtils: selected device doesn't exist, selecting device 0");
}
}
bool ofGstUtils::initGrabber(int w, int h, int framerate){
bpp = 3;
if(!camData.bInited) get_video_devices(camData);
if(camData.webcam_devices.size()==0){
ofLog(OF_LOG_ERROR,"ofGstUtils: no devices found exiting without initializing");
return false;
}
ofGstVideoFormat & format = selectFormat(w, h, framerate);
ofLog(OF_LOG_NOTICE,"ofGstUtils: selected format: " + ofToString(format.width) + "x" + ofToString(format.height) + " " + format.mimetype + " framerate: " + ofToString(format.choosen_framerate.numerator) + "/" + ofToString(format.choosen_framerate.denominator));
bIsCamera = true;
bHavePixelsChanged = false;
width = w;
height = h;
gstData.loop = g_main_loop_new (NULL, FALSE);
const char * decodebin = "";
if(format.mimetype != "video/x-raw-yuv" && format.mimetype != "video/x-raw-rgb")
decodebin = "decodebin !";
const char * scale = "";
if( format.mimetype != "video/x-raw-rgb" ) scale = "ffmpegcolorspace !";
if( w!=format.width || h!=format.height ) scale = "ffvideoscale method=2 !";
string format_str_pipeline = string("%s name=video_source device=%s ! ") +
"%s,width=%d,height=%d,framerate=%d/%d ! " +
"%s %s " +
"video/x-raw-rgb, width=%d, height=%d, depth=24 ! appsink name=sink caps=video/x-raw-rgb";
gchar* pipeline_string =g_strdup_printf (
format_str_pipeline.c_str(),
camData.webcam_devices[deviceID].gstreamer_src.c_str(),
camData.webcam_devices[deviceID].video_device.c_str(),
format.mimetype.c_str(),
format.width,
format.height,
format.choosen_framerate.numerator,
format.choosen_framerate.denominator,
decodebin, scale,
w,h);
ofLog(OF_LOG_NOTICE, "gstreamer pipeline: %s", pipeline_string);
GError * error = NULL;
gstPipeline = gst_parse_launch (pipeline_string, &error);
gstSink = gst_bin_get_by_name(GST_BIN(gstPipeline),"sink");
gst_base_sink_set_sync(GST_BASE_SINK(gstSink), true);
if(startPipeline()){
play();
return true;
}else{
return false;
}
}
void ofGstUtils::listDevices(){
if(!camData.bInited) get_video_devices(camData);
for(unsigned i=0; i<camData.webcam_devices.size(); i++){
cout << "device " << i << ": " + camData.webcam_devices[i].video_device + ": " + camData.webcam_devices[i].product_name << endl;
}
}
bool ofGstVideoGrabber::initGrabber(int w, int h){
if(!camData.bInited) get_video_devices(camData);
if(camData.webcam_devices.size()==0){
ofLog(OF_LOG_ERROR,"ofGstUtils: no devices found exiting without initializing");
return false;
}
ofGstVideoFormat & format = selectFormat(w, h, attemptFramerate);
ofLog(OF_LOG_NOTICE,"ofGstUtils: selected device: " + camData.webcam_devices[deviceID].product_name);
ofLog(OF_LOG_NOTICE,"ofGstUtils: selected format: " + ofToString(format.width) + "x" + ofToString(format.height) + " " + format.mimetype + " framerate: " + ofToString(format.choosen_framerate.numerator) + "/" + ofToString(format.choosen_framerate.denominator));
bIsCamera = true;
const char * decodebin = "";
if(format.mimetype == "video/x-raw-bayer")
decodebin = "bayer2rgb !";
else if(format.mimetype != "video/x-raw-yuv" && format.mimetype != "video/x-raw-rgb")
decodebin = "decodebin2 !";
const char * scale = "ffmpegcolorspace ";
if( w!=format.width || h!=format.height ) scale = "ffvideoscale method=2 !";
string format_str_pipeline = string("%s name=video_source device=%s ! ") +
"%s,width=%d,height=%d,framerate=%d/%d ! " +
"%s %s ";
gchar* pipeline_string =g_strdup_printf (
format_str_pipeline.c_str(),
camData.webcam_devices[deviceID].gstreamer_src.c_str(),
camData.webcam_devices[deviceID].video_device.c_str(),
format.mimetype.c_str(),
format.width,
format.height,
format.choosen_framerate.numerator,
format.choosen_framerate.denominator,
decodebin, scale,
w,h);
int bpp;
switch(internalPixelFormat){
case OF_PIXELS_MONO:
bpp = 8;
break;
case OF_PIXELS_RGB:
bpp = 24;
break;
case OF_PIXELS_RGBA:
case OF_PIXELS_BGRA:
bpp = 32;
break;
default:
bpp=24;
break;
}
if( videoUtils.setPipeline(pipeline_string,bpp,false,w,h) ){
videoUtils.play();
return true;
}else{
return false;
}
}
void ofGstUtils::listDevices() {
if(!camData.bInited) get_video_devices(camData);
for(int i=0; i<camData.num_webcam_devices; i++) {
// cout << "device " + ofToString(i) + ": " + camData.webcam_devices[i].video_device + ": " + camData.webcam_devices[i].product_name << endl;
}
}
