From e9320eb83115f66e99bd98e76c8c9ff78ca043d4 Mon Sep 17 00:00:00 2001
From: Comment <tim@gray.(none)>
Date: Fri, 26 Apr 2013 10:20:53 +0100
Subject: tweaks

---
 rotord/gstvideoloader.cpp | 365 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 364 insertions(+), 1 deletion(-)

(limited to 'rotord/gstvideoloader.cpp')

diff --git a/rotord/gstvideoloader.cpp b/rotord/gstvideoloader.cpp
index 0cdc060..2835b02 100644
--- a/rotord/gstvideoloader.cpp
+++ b/rotord/gstvideoloader.cpp
@@ -783,4 +783,367 @@ void ofGstVideoUtils::eos_cb(){
 	ofGstUtils::eos_cb();
 	//ofEventArgs args;
 	//ofNotifyEvent(eosEvent,args);
-}
\ No newline at end of file
+}
+
+ofGstVideoPlayer::ofGstVideoPlayer(){
+	nFrames						= 0;
+	//internalPixelFormat			= OF_PIXELS_RGB;
+	bIsStream					= false;
+	bIsAllocated				= false;
+	threadAppSink				= false;
+	videoUtils.setSinkListener(this);
+}
+
+ofGstVideoPlayer::~ofGstVideoPlayer(){
+	close();
+}
+
+bool ofGstVideoPlayer::loadMovie(string name){
+	close();
+	/*
+	if( name.find( "file://",0 ) != string::npos){
+		bIsStream		= false;
+	}else if( name.find( "://",0 ) == string::npos){
+		name 			= "file://"+ofToDataPath(name,true);
+		bIsStream		= false;
+	}else{
+		bIsStream		= true;
+	}
+	*/
+	cerr<<"loading "<<name<<endl;
+
+	ofGstUtils::startGstMainLoop();
+
+#if GST_VERSION_MAJOR==0
+	GstElement * gstPipeline = gst_element_factory_make("playbin2","player");
+#else
+	GstElement * gstPipeline = gst_element_factory_make("playbin","player");
+#endif
+	g_object_set(G_OBJECT(gstPipeline), "uri", name.c_str(), (void*)NULL);
+
+	// create the oF appsink for video rgb without sync to clock
+	GstElement * gstSink = gst_element_factory_make("appsink", "app_sink");
+
+	gst_base_sink_set_sync(GST_BASE_SINK(gstSink), true);
+	gst_app_sink_set_max_buffers(GST_APP_SINK(gstSink), 8);
+	gst_app_sink_set_drop (GST_APP_SINK(gstSink),true);
+	gst_base_sink_set_max_lateness  (GST_BASE_SINK(gstSink), -1);
+
+#if GST_VERSION_MAJOR==0
+	int bpp;
+	string mime;
+	/*
+	switch(internalPixelFormat){
+	case OF_PIXELS_MONO:
+		mime = "video/x-raw-gray";
+		bpp = 8;
+		break;
+	case OF_PIXELS_RGB:
+		mime = "video/x-raw-rgb";
+		bpp = 24;
+		break;
+	case OF_PIXELS_RGBA:
+	case OF_PIXELS_BGRA:
+		mime = "video/x-raw-rgb";
+		bpp = 32;
+		break;
+	default:
+		mime = "video/x-raw-rgb";
+		bpp=24;
+		break;
+	}
+	*/
+	mime = "video/x-raw-rgb";
+	bpp=24;
+		
+
+	GstCaps *caps = gst_caps_new_simple(mime.c_str(),
+										"bpp", G_TYPE_INT, bpp,
+										"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,
+										"alpha_mask",G_TYPE_INT,0x000000ff,
+										NULL);
+#else
+	int bpp;
+	string mime="video/x-raw";
+	string format;
+	/*
+	switch(internalPixelFormat){
+	case OF_PIXELS_MONO:
+		format = "GRAY8";
+		bpp = 8;
+		break;
+	case OF_PIXELS_RGB:
+		format = "RGB";
+		bpp = 24;
+		break;
+	case OF_PIXELS_RGBA:
+		format = "RGBA";
+		bpp = 32;
+		break;
+	case OF_PIXELS_BGRA:
+		format = "BGRA";
+		bpp = 32;
+		break;
+	default:
+		format = "RGB";
+		bpp=24;
+		break;
+	}
+	*/
+	format = "RGB";
+	bpp=24;
+
+	GstCaps *caps = gst_caps_new_simple(mime.c_str(),
+										"format", G_TYPE_STRING, format.c_str(),
+										/*"bpp", G_TYPE_INT, bpp,
+										"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,
+										"alpha_mask",G_TYPE_INT,0x000000ff,*/
+										NULL);
+#endif
+
+
+	gst_app_sink_set_caps(GST_APP_SINK(gstSink), caps);
+	gst_caps_unref(caps);
+
+	if(threadAppSink){
+		GstElement * appQueue = gst_element_factory_make("queue","appsink_queue");
+		g_object_set(G_OBJECT(appQueue), "leaky", 0, "silent", 1, (void*)NULL);
+		GstElement* appBin = gst_bin_new("app_bin");
+		gst_bin_add(GST_BIN(appBin), appQueue);
+		GstPad* appQueuePad = gst_element_get_static_pad(appQueue, "sink");
+		GstPad* ghostPad = gst_ghost_pad_new("app_bin_sink", appQueuePad);
+		gst_object_unref(appQueuePad);
+		gst_element_add_pad(appBin, ghostPad);
+
+		gst_bin_add_many(GST_BIN(appBin), gstSink, NULL);
+		gst_element_link_many(appQueue, gstSink, NULL);
+
+		g_object_set (G_OBJECT(gstPipeline),"video-sink",appBin,(void*)NULL);
+	}else{
+		g_object_set (G_OBJECT(gstPipeline),"video-sink",gstSink,(void*)NULL);
+	}
+
+
+	videoUtils.setPipelineWithSink(gstPipeline,gstSink,bIsStream);
+	if(!bIsStream) return allocate(bpp);
+	else return true;
+}
+
+void ofGstVideoPlayer::setThreadAppSink(bool threaded){
+	threadAppSink = threaded;
+}
+
+
+bool ofGstVideoPlayer::allocate(int bpp){
+	if(bIsAllocated) return true;
+
+	guint64 durationNanos = videoUtils.getDurationNanos();
+
+	nFrames		  = 0;
+	if(GstPad* pad = gst_element_get_static_pad(videoUtils.getSink(), "sink")){
+/*#if GST_VERSION_MAJOR==0
+		int width,height;
+		if(gst_video_get_size(GST_PAD(pad), &width, &height)){
+			if(!videoUtils.allocate(width,height,bpp)) return false;
+		}else{
+			cerr<<"GStreamer: cannot query width and height"<<endl;
+			return false;
+		}
+
+		const GValue *framerate = gst_video_frame_rate(pad);
+		fps_n=0;
+		fps_d=0;
+		if(framerate && GST_VALUE_HOLDS_FRACTION (framerate)){
+			fps_n = gst_value_get_fraction_numerator (framerate);
+			fps_d = gst_value_get_fraction_denominator (framerate);
+			nFrames = (float)(durationNanos / GST_SECOND) * (float)fps_n/(float)fps_d;
+			cerr<<"ofGstUtils: framerate:"<<fps_n<<"/"<<fps_d<<endl;
+		}else{
+			cerr<<"Gstreamer: cannot get framerate, frame seek won't work"<<endl;
+		}
+		bIsAllocated = true;
+#else
+*/
+		if(GstCaps *caps = gst_pad_get_current_caps (GST_PAD (pad))){
+			GstVideoInfo info;
+			gst_video_info_init (&info);
+			if (gst_video_info_from_caps (&info, caps)){
+				if(!videoUtils.allocate(info.width,info.height,bpp)) return false;
+			}else{
+				cerr<<"GStreamer: cannot query width and height"<<endl;
+				return false;
+			}
+
+			fps_n = info.fps_n;
+			fps_d = info.fps_d;
+			nFrames = (float)(durationNanos / GST_SECOND) * (float)fps_n/(float)fps_d;
+			gst_caps_unref(caps);
+			bIsAllocated = true;
+		}else{
+			cerr<<"GStreamer: cannot get pipeline caps"<<endl;
+			bIsAllocated = false;
+		}
+//#endif
+		gst_object_unref(GST_OBJECT(pad));
+	}else{
+		cerr<<"GStreamer: cannot get sink pad"<<endl;
+		bIsAllocated = false;
+	}
+
+	return bIsAllocated;
+}
+
+void ofGstVideoPlayer::on_stream_prepared(){
+	if(!bIsAllocated) allocate(24);
+}
+
+int	ofGstVideoPlayer::getCurrentFrame(){
+	int frame = 0;
+
+	// zach I think this may fail on variable length frames...
+	float pos = getPosition();
+	if(pos == -1) return -1;
+
+
+	float  framePosInFloat = ((float)getTotalNumFrames() * pos);
+	int    framePosInInt = (int)framePosInFloat;
+	float  floatRemainder = (framePosInFloat - framePosInInt);
+	if (floatRemainder > 0.5f) framePosInInt = framePosInInt + 1;
+	//frame = (int)ceil((getTotalNumFrames() * getPosition()));
+	frame = framePosInInt;
+
+	return frame;
+}
+
+int	ofGstVideoPlayer::getTotalNumFrames(){
+	return nFrames;
+}
+
+void ofGstVideoPlayer::firstFrame(){
+	setFrame(0);
+}
+
+void ofGstVideoPlayer::nextFrame(){
+	gint64 currentFrame = getCurrentFrame();
+	if(currentFrame!=-1) setFrame(currentFrame + 1);
+}
+
+void ofGstVideoPlayer::previousFrame(){
+	gint64 currentFrame = getCurrentFrame();
+	if(currentFrame!=-1) setFrame(currentFrame - 1);
+}
+
+void ofGstVideoPlayer::setFrame(int frame){ // frame 0 = first frame...
+	float pct = (float)frame / (float)nFrames;
+	setPosition(pct);
+}
+
+bool ofGstVideoPlayer::isStream(){
+	return bIsStream;
+}
+
+void ofGstVideoPlayer::update(){
+	videoUtils.update();
+}
+
+void ofGstVideoPlayer::play(){
+	videoUtils.play();
+}
+
+void ofGstVideoPlayer::stop(){
+	videoUtils.stop();
+}
+
+void ofGstVideoPlayer::setPaused(bool bPause){
+	videoUtils.setPaused(bPause);
+}
+
+bool ofGstVideoPlayer::isPaused(){
+	return videoUtils.isPaused();
+}
+
+bool ofGstVideoPlayer::isLoaded(){
+	return videoUtils.isLoaded();
+}
+
+bool ofGstVideoPlayer::isPlaying(){
+	return videoUtils.isPlaying();
+}
+
+float ofGstVideoPlayer::getPosition(){
+	return videoUtils.getPosition();
+}
+
+float ofGstVideoPlayer::getSpeed(){
+	return videoUtils.getSpeed();
+}
+
+float ofGstVideoPlayer::getDuration(){
+	return videoUtils.getDuration();
+}
+
+bool ofGstVideoPlayer::getIsMovieDone(){
+	return videoUtils.getIsMovieDone();
+}
+
+void ofGstVideoPlayer::setPosition(float pct){
+	videoUtils.setPosition(pct);
+}
+
+void ofGstVideoPlayer::setVolume(float volume){
+	videoUtils.setVolume(volume);
+}
+
+void ofGstVideoPlayer::setLoopState(ofLoopType state){
+	videoUtils.setLoopState(state);
+}
+
+ofLoopType ofGstVideoPlayer::getLoopState(){
+	return videoUtils.getLoopState();
+}
+
+void ofGstVideoPlayer::setSpeed(float speed){
+	videoUtils.setSpeed(speed);
+}
+
+void ofGstVideoPlayer::close(){
+	bIsAllocated = false;
+	videoUtils.close();
+}
+
+bool ofGstVideoPlayer::isFrameNew(){
+	return videoUtils.isFrameNew();
+}
+
+unsigned char * ofGstVideoPlayer::getPixels(){
+	return videoUtils.getPixels();
+}
+/*
+ofPixelsRef ofGstVideoPlayer::getPixelsRef(){
+	return videoUtils.getPixelsRef();
+}
+*/
+float ofGstVideoPlayer::getHeight(){
+	return videoUtils.getHeight();
+}
+
+float ofGstVideoPlayer::getWidth(){
+	return videoUtils.getWidth();
+}
+
+ofGstVideoUtils * ofGstVideoPlayer::getGstVideoUtils(){
+	return &videoUtils;
+}
+
+void ofGstVideoPlayer::setFrameByFrame(bool frameByFrame){
+	videoUtils.setFrameByFrame(frameByFrame);
+}
+
-- 
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