bool ofGstUtils::setPipelineWithSink(string pipeline){
bHavePixelsChanged = false;
bIsCustomWithSink = true;
gstData.loop = g_main_loop_new (NULL, FALSE);
gchar* pipeline_string =
g_strdup((pipeline).c_str());
GError * error = NULL;
gstPipeline = gst_parse_launch (pipeline_string, &error);
ofLog(OF_LOG_NOTICE, "gstreamer pipeline: %s", pipeline_string);
if(error!=NULL){
ofLog(OF_LOG_ERROR,"couldnt create pipeline: " + string(error->message));
return false;
}
gstSink = gst_bin_get_by_name(GST_BIN(gstPipeline),"sink");
gst_base_sink_set_sync(GST_BASE_SINK(gstSink), true);
return startPipeline();
}
bool ofGstUtils::setPipelineWithSink(GstElement * pipeline, GstElement * sink, bool isStream_){
gstPipeline = pipeline;
gstSink = sink;
isStream = isStream_;
if(gstSink){
gst_base_sink_set_sync(GST_BASE_SINK(gstSink), true);
}
if(gstSink && string(gst_plugin_feature_get_name( GST_PLUGIN_FEATURE(gst_element_get_factory(gstSink))))=="appsink"){
isAppSink = true;
}else{
isAppSink = false;
}
return startPipeline();
}
bool ofGstUtils::loadMovie(string name){
bpp = 24;
bLoaded = false;
bPaused = true;
speed = 1.0f;
bHavePixelsChanged = false;
if( name.find( "://",0 ) == string::npos){
name = "file://"+ofToDataPath(name,true);
bIsStream = false;
}else{
bIsStream = true;
}
ofLog(OF_LOG_VERBOSE,"loading "+name);
gstData.loop = g_main_loop_new (NULL, FALSE);
gstPipeline = gst_element_factory_make("playbin","player");
g_object_set(G_OBJECT(gstPipeline), "uri", name.c_str(), (void*)NULL);
// create the oF appsink for video rgb without sync to clock
gstSink = gst_element_factory_make("appsink", NULL);
GstCaps *caps = gst_caps_new_simple("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24,
//"depth", G_TYPE_INT, 24,
/*"endianness",G_TYPE_INT,4321,
"red_mask",G_TYPE_INT,0xff0000,
"green_mask",G_TYPE_INT,0x00ff00,
"blue_mask",G_TYPE_INT,0x0000ff,*/
NULL);
gst_app_sink_set_caps(GST_APP_SINK(gstSink), caps);
gst_caps_unref(caps);
gst_base_sink_set_sync(GST_BASE_SINK(gstSink), false);
g_object_set (G_OBJECT(gstPipeline),"video-sink",gstSink,(void*)NULL);
GstElement *audioSink = gst_element_factory_make("gconfaudiosink", NULL);
g_object_set (G_OBJECT(gstPipeline),"audio-sink",audioSink,(void*)NULL);
return startPipeline();;
}
bool ofGstUtils::setPipelineWithSink(string pipeline){
bHavePixelsChanged = false;
bIsCustomWithSink = true;
gstData.loop = g_main_loop_new (NULL, FALSE);
gchar* pipeline_string =
g_strdup((pipeline).c_str());
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);
return startPipeline();
}
bool ofGstUtils::setPipeline(string pipeline, int bpp, bool isStream){
this->bpp = bpp;
bHavePixelsChanged = false;
bIsStream = isStream;
gstData.loop = g_main_loop_new (NULL, FALSE);
gchar* pipeline_string =
g_strdup((pipeline + " ! appsink name=sink ").c_str()); // caps=video/x-raw-rgb
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);
return startPipeline();
}
bool ofGstUtils::setPipeline(string pipeline, int bpp, bool isStream, int w, int h){
this->bpp = bpp;
bHavePixelsChanged = false;
bIsStream = isStream;
gstData.loop = g_main_loop_new (NULL, FALSE);
if(w!=-1 && h!=-1){
width=w;
height=h;
}
string caps;
if(bpp==8)
caps="video/x-raw-gray, depth=8, bpp=8";
else if(bpp==32)
caps="video/x-raw-rgb, depth=32, bpp=32";
else
caps="video/x-raw-rgb, depth=24, bpp=24";
gchar* pipeline_string =
g_strdup((pipeline + " ! appsink name=sink caps=\"" + caps + "\"").c_str()); // caps=video/x-raw-rgb
GError * error = NULL;
gstPipeline = gst_parse_launch (pipeline_string, &error);
ofLog(OF_LOG_NOTICE, "gstreamer pipeline: %s", pipeline_string);
if(error!=NULL){
ofLog(OF_LOG_ERROR,"couldnt create pipeline: " + string(error->message));
return false;
}
gstSink = gst_bin_get_by_name(GST_BIN(gstPipeline),"sink");
gst_base_sink_set_sync(GST_BASE_SINK(gstSink), true);
return startPipeline();
}
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;
}
}
