generic-pc: rework glfb (thx seife)

2025-08-26 23:13:16 +02:00 · 2018-09-21 19:00:11 +02:00
parent c8c7f0c45f
commit cf45b80334
6 changed files with 191 additions and 114 deletions
--- a/generic-pc/glfb.cpp
+++ b/generic-pc/glfb.cpp
@@ -38,8 +38,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <linux/input.h>
-#include "glfb.h"
-#include <GL/glx.h>
+#include "glfb_priv.h"
 #include "video_lib.h"
 #include "audio_lib.h"

@@ -54,10 +53,36 @@
 extern cVideo *videoDecoder;
 extern cAudio *audioDecoder;

-static GLFramebuffer *gThiz = 0; /* GLUT does not allow for an arbitrary argument to the render func */
+/* the private class that does stuff only needed inside libstb-hal.
+ * is used e.g. by cVideo... */
+GLFbPC *glfb_priv = NULL;

-GLFramebuffer::GLFramebuffer(int x, int y): mReInit(true), mShutDown(false), mInitDone(false)
+GLFramebuffer::GLFramebuffer(int x, int y)
 {
+	Init();
+	glfb_priv = new GLFbPC(x, y, osd_buf);
+	si = glfb_priv->getScreenInfo();
+	start();
+	while (!glfb_priv->mInitDone)
+		usleep(1);
+}
+
+GLFramebuffer::~GLFramebuffer()
+{
+	glfb_priv->mShutDown = true;
+	join();
+	delete glfb_priv;
+	glfb_priv = NULL;
+}
+
+void GLFramebuffer::blit()
+{
+	glfb_priv->blit();
+}
+
+GLFbPC::GLFbPC(int x, int y, std::vector<unsigned char> &buf): mReInit(true), mShutDown(false), mInitDone(false)
+{
+	osd_buf = &buf;
 	mState.width  = x;
 	mState.height = y;
 	mX = &_mX[0];
@@ -78,19 +103,19 @@ GLFramebuffer::GLFramebuffer(int x, int y): mReInit(true), mShutDown(false), mIn
 	last_apts = 0;

 	/* linux framebuffer compat mode */
-	screeninfo.bits_per_pixel = 32;
-	screeninfo.xres = mState.width;
-	screeninfo.xres_virtual = screeninfo.xres;
-	screeninfo.yres = mState.height;
-	screeninfo.yres_virtual = screeninfo.yres;
-	screeninfo.blue.length = 8;
-	screeninfo.blue.offset = 0;
-	screeninfo.green.length = 8;
-	screeninfo.green.offset = 8;
-	screeninfo.red.length = 8;
-	screeninfo.red.offset = 16;
-	screeninfo.transp.length = 8;
-	screeninfo.transp.offset = 24;
+	si.bits_per_pixel = 32;
+	si.xres = mState.width;
+	si.xres_virtual = si.xres;
+	si.yres = mState.height;
+	si.yres_virtual = si.yres;
+	si.blue.length = 8;
+	si.blue.offset = 0;
+	si.green.length = 8;
+	si.green.offset = 8;
+	si.red.length = 8;
+	si.red.offset = 16;
+	si.transp.length = 8;
+	si.transp.offset = 24;

 	unlink("/tmp/neutrino.input");
 	mkfifo("/tmp/neutrino.input", 0600);
@@ -98,21 +123,22 @@ GLFramebuffer::GLFramebuffer(int x, int y): mReInit(true), mShutDown(false), mIn
 	if (input_fd < 0)
 		lt_info("%s: could not open /tmp/neutrino.input FIFO: %m\n", __func__);
 	initKeys();
-	OpenThreads::Thread::start();
-	while (!mInitDone)
-		usleep(1);
 }

-GLFramebuffer::~GLFramebuffer()
+GLFbPC::~GLFbPC()
 {
 	mShutDown = true;
-	OpenThreads::Thread::join();
 	if (input_fd >= 0)
 		close(input_fd);
+	osd_buf->clear();
 }

-void GLFramebuffer::initKeys()
+void GLFbPC::initKeys()
 {
+	/*
+	   Keep in sync with initKeys() in clutterfb.cpp
+	*/
+
 	mSpecialMap[GLUT_KEY_UP]    = KEY_UP;
 	mSpecialMap[GLUT_KEY_DOWN]  = KEY_DOWN;
 	mSpecialMap[GLUT_KEY_LEFT]  = KEY_LEFT;
@@ -177,9 +203,21 @@ void GLFramebuffer::initKeys()

 void GLFramebuffer::run()
 {
-	setupCtx();
-	setupOSDBuffer();
-	mInitDone = true; /* signal that setup is finished */
+	int argc = 1;
+	int x = glfb_priv->mState.width;
+	int y = glfb_priv->mState.height;
+	/* some dummy commandline for GLUT to be happy */
+	char const *argv[2] = { "neutrino", 0 };
+	lt_info("GLFB: GL thread starting x %d y %d\n", x, y);
+	glutInit(&argc, const_cast<char **>(argv));
+	glutInitWindowSize(x, y);
+	glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
+	glutCreateWindow("Neutrino");
+	/* 32bit FB depth, *2 because tuxtxt uses a shadow buffer */
+	int fbmem = x * y * 4 * 2;
+	osd_buf.resize(fbmem);
+	lt_info("GLFB: OSD buffer set to %d bytes at 0x%p\n", fbmem, osd_buf.data());
+	glfb_priv->mInitDone = true; /* signal that setup is finished */

 	/* init the good stuff */
 	GLenum err = glewInit();
@@ -194,16 +232,15 @@ void GLFramebuffer::run()
 		}
 		else
 		{
-			gThiz = this;
 			glutSetCursor(GLUT_CURSOR_NONE);
-			glutDisplayFunc(GLFramebuffer::rendercb);
-			glutKeyboardFunc(GLFramebuffer::keyboardcb);
-			glutSpecialFunc(GLFramebuffer::specialcb);
-			glutReshapeFunc(GLFramebuffer::resizecb);
-			setupGLObjects(); /* needs GLEW prototypes */
+			glutDisplayFunc(GLFbPC::rendercb);
+			glutKeyboardFunc(GLFbPC::keyboardcb);
+			glutSpecialFunc(GLFbPC::specialcb);
+			glutReshapeFunc(GLFbPC::resizecb);
+			glfb_priv->setupGLObjects(); /* needs GLEW prototypes */
 			glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_CONTINUE_EXECUTION);
 			glutMainLoop();
-			releaseGLObjects();
+			glfb_priv->releaseGLObjects();
 		}
 	}
 	else
@@ -211,21 +248,20 @@ void GLFramebuffer::run()
 	lt_info("GLFB: GL thread stopping\n");
 }

-
-void GLFramebuffer::setupCtx()
+#if 0
+void GLFbPC::setupCtx()
 {
 	int argc = 1;
 	/* some dummy commandline for GLUT to be happy */
 	char const *argv[2] = { "neutrino", 0 };
-	lt_info("GLFB: GL thread starting\n");
+	lt_info("GLFB: GL thread starting x %d y %d\n", mX[0], mY[0]);
 	glutInit(&argc, const_cast<char **>(argv));
 	glutInitWindowSize(mX[0], mY[0]);
 	glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
 	glutCreateWindow("Neutrino");
-	GLWinID = glXGetCurrentDrawable(); // this was the holy grail to get the right window handle for gstreamer :D
 }

-void GLFramebuffer::setupOSDBuffer()
+void GLFbPC::setupOSDBuffer()
 {	/* the OSD buffer size can be decoupled from the actual
 	   window size since the GL can blit-stretch with no
 	   trouble at all, ah, the luxury of ignorance... */
@@ -234,12 +270,13 @@ void GLFramebuffer::setupOSDBuffer()
 	{
 		/* 32bit FB depth, *2 because tuxtxt uses a shadow buffer */
 		int fbmem = mState.width * mState.height * 4 * 2;
-		mOSDBuffer.resize(fbmem);
-		lt_info("GLFB: OSD buffer set to %d bytes\n", fbmem);
+		osd_buf->resize(fbmem);
+		lt_info("GLFB: OSD buffer set to %d bytes at 0x%p\n", fbmem, osd_buf->data());
 	}
 }
+#endif

-void GLFramebuffer::setupGLObjects()
+void GLFbPC::setupGLObjects()
 {
 	unsigned char buf[4] = { 0, 0, 0, 0 }; /* 1 black pixel */
 	glGenTextures(1, &mState.osdtex);
@@ -267,7 +304,7 @@ void GLFramebuffer::setupGLObjects()
 }


-void GLFramebuffer::releaseGLObjects()
+void GLFbPC::releaseGLObjects()
 {
 	glDeleteBuffers(1, &mState.pbo);
 	glDeleteBuffers(1, &mState.displaypbo);
@@ -276,56 +313,56 @@ void GLFramebuffer::releaseGLObjects()
 }


-/* static */ void GLFramebuffer::rendercb()
+/* static */ void GLFbPC::rendercb()
 {
-	gThiz->render();
+	glfb_priv->render();
 }


-/* static */ void GLFramebuffer::keyboardcb(unsigned char key, int /*x*/, int /*y*/)
+/* static */ void GLFbPC::keyboardcb(unsigned char key, int /*x*/, int /*y*/)
 {
 	lt_debug_c("GLFB::%s: 0x%x\n", __func__, key);
 	struct input_event ev;
 	if (key == 'f')
 	{
-		lt_info_c("GLFB::%s: toggle fullscreen %s\n", __func__, gThiz->mFullscreen?"off":"on");
-		gThiz->mFullscreen = !(gThiz->mFullscreen);
-		gThiz->mReInit = true;
+		lt_info_c("GLFB::%s: toggle fullscreen %s\n", __func__, glfb_priv->mFullscreen?"off":"on");
+		glfb_priv->mFullscreen = !(glfb_priv->mFullscreen);
+		glfb_priv->mReInit = true;
 		return;
 	}
-	std::map<unsigned char, int>::const_iterator i = gThiz->mKeyMap.find(key);
-	if (i == gThiz->mKeyMap.end())
+	std::map<unsigned char, int>::const_iterator i = glfb_priv->mKeyMap.find(key);
+	if (i == glfb_priv->mKeyMap.end())
 		return;
 	ev.code  = i->second;
 	ev.value = 1; /* key own */
 	ev.type  = EV_KEY;
 	gettimeofday(&ev.time, NULL);
 	lt_debug_c("GLFB::%s: pushing 0x%x\n", __func__, ev.code);
-	write(gThiz->input_fd, &ev, sizeof(ev));
+	write(glfb_priv->input_fd, &ev, sizeof(ev));
 	ev.value = 0; /* neutrino is stupid, so push key up directly after key down */
-	write(gThiz->input_fd, &ev, sizeof(ev));
+	write(glfb_priv->input_fd, &ev, sizeof(ev));
 }

-/* static */ void GLFramebuffer::specialcb(int key, int /*x*/, int /*y*/)
+/* static */ void GLFbPC::specialcb(int key, int /*x*/, int /*y*/)
 {
 	lt_debug_c("GLFB::%s: 0x%x\n", __func__, key);
 	struct input_event ev;
-	std::map<int, int>::const_iterator i = gThiz->mSpecialMap.find(key);
-	if (i == gThiz->mSpecialMap.end())
+	std::map<int, int>::const_iterator i = glfb_priv->mSpecialMap.find(key);
+	if (i == glfb_priv->mSpecialMap.end())
 		return;
 	ev.code  = i->second;
 	ev.value = 1;
 	ev.type  = EV_KEY;
 	gettimeofday(&ev.time, NULL);
 	lt_debug_c("GLFB::%s: pushing 0x%x\n", __func__, ev.code);
-	write(gThiz->input_fd, &ev, sizeof(ev));
+	write(glfb_priv->input_fd, &ev, sizeof(ev));
 	ev.value = 0;
-	write(gThiz->input_fd, &ev, sizeof(ev));
+	write(glfb_priv->input_fd, &ev, sizeof(ev));
 }

 int sleep_us = 30000;

-void GLFramebuffer::render()
+void GLFbPC::render()
 {
 	if(mShutDown)
 		glutLeaveMainLoop();
@@ -453,12 +490,12 @@ void GLFramebuffer::render()
 	glutPostRedisplay();
 }

-/* static */ void GLFramebuffer::resizecb(int w, int h)
+/* static */ void GLFbPC::resizecb(int w, int h)
 {
-	gThiz->checkReinit(w, h);
+	glfb_priv->checkReinit(w, h);
 }

-void GLFramebuffer::checkReinit(int x, int y)
+void GLFbPC::checkReinit(int x, int y)
 {
 	static int last_x = 0, last_y = 0;

@@ -478,7 +515,7 @@ void GLFramebuffer::checkReinit(int x, int y)
 	last_y = y;
 }

-void GLFramebuffer::drawSquare(float size, float x_factor)
+void GLFbPC::drawSquare(float size, float x_factor)
 {
 	GLfloat vertices[] = {
 		 1.0f,  1.0f,
@@ -534,11 +571,11 @@ void GLFramebuffer::drawSquare(float size, float x_factor)
 }


-void GLFramebuffer::bltOSDBuffer()
+void GLFbPC::bltOSDBuffer()
 {
 	/* FIXME: copy each time  */
 	glBindBuffer(GL_PIXEL_UNPACK_BUFFER, mState.pbo);
-	glBufferData(GL_PIXEL_UNPACK_BUFFER, mOSDBuffer.size(), &mOSDBuffer[0], GL_STREAM_DRAW_ARB);
+	glBufferData(GL_PIXEL_UNPACK_BUFFER, osd_buf->size(), osd_buf->data(), GL_STREAM_DRAW_ARB);

 	glBindTexture(GL_TEXTURE_2D, mState.osdtex);
 	glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, mState.width, mState.height, GL_BGRA, GL_UNSIGNED_BYTE, 0);
@@ -546,7 +583,7 @@ void GLFramebuffer::bltOSDBuffer()
 	glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
 }

-void GLFramebuffer::bltDisplayBuffer()
+void GLFbPC::bltDisplayBuffer()
 {
 	if (!videoDecoder) /* cannot start yet */
 		return;
@@ -554,7 +591,7 @@ void GLFramebuffer::bltDisplayBuffer()
 	cVideo::SWFramebuffer *buf = videoDecoder->getDecBuf();
 	if (!buf) {
 		if (warn)
-			lt_debug("GLFB::%s did not get a buffer...\n", __func__);
+			lt_info("GLFB::%s did not get a buffer...\n", __func__);
 		warn = false;
 		return;
 	}
@@ -607,9 +644,3 @@ void GLFramebuffer::bltDisplayBuffer()
 	lt_debug("vpts: 0x%" PRIx64 " apts: 0x%" PRIx64 " diff: %6.3f sleep_us %d buf %d\n",
 			buf->pts(), apts, (buf->pts() - apts)/90000.0, sleep_us, videoDecoder->buf_num);
 }
-
-void GLFramebuffer::clear()
-{
-	/* clears front and back buffer */
-	memset(&mOSDBuffer[0], 0, mOSDBuffer.size());
-}
--- a/generic-pc/glfb_priv.h
+++ b/generic-pc/glfb_priv.h
@@ -14,12 +14,14 @@

 	You should have received a copy of the GNU General Public License
 	along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+	********************************************************************
+	private stuff of the GLFB thread that is only used inside libstb-hal
+	and not exposed to the application.
 */

-#ifndef __glthread__
-#define __glthread__
-#include <config.h>
-#include <OpenThreads/Thread>
+#ifndef __glfb_priv__
+#define __glfb_priv__
 #include <OpenThreads/Mutex>
 #include <vector>
 #include <map>
@@ -32,28 +34,26 @@
 #if USE_CLUTTER
 #include <clutter/clutter.h>
 #endif
+#include "glfb.h"
 extern "C" {
 #include <libavutil/rational.h>
 }

-class GLFramebuffer : public OpenThreads::Thread
+class GLFbPC
 {
 public:
-	GLFramebuffer(int x, int y);
-	~GLFramebuffer();
-	void run();
-	std::vector<unsigned char> *getOSDBuffer() { return &mOSDBuffer; } /* pointer to OSD bounce buffer */
+	GLFbPC(int x, int y, std::vector<unsigned char> &buf);
+	~GLFbPC();
+	std::vector<unsigned char> *getOSDBuffer() { return osd_buf; } /* pointer to OSD bounce buffer */
 	int getOSDWidth() { return mState.width; }
 	int getOSDHeight() { return mState.height; }
-	void blit() { mState.blit = true; }
-	fb_var_screeninfo getScreenInfo() { return screeninfo; }
+	void blit() { mState.blit = true; };
+	fb_var_screeninfo getScreenInfo() { return si; }
 	void setOutputFormat(AVRational a, int h, int c) { mOA = a; *mY = h; mCrop = c; mReInit = true; }
-
-	void clear();
-	int getWindowID() { return GLWinID; }
-
+/* just make everything public for simplicity - this is only used inside libstb-hal anyway
 private:
-	fb_var_screeninfo screeninfo;
+*/
+	fb_var_screeninfo si;
 	int *mX;
 	int *mY;
 	int _mX[2];			/* output window size */
@@ -65,7 +65,6 @@ private:
 	float zoom;			/* for cropping */
 	float xscale;			/* and aspect ratio */
 	int mCrop;			/* DISPLAY_AR_MODE */
-	int GLWinID;

 	bool mFullscreen;		/* fullscreen? */
 	bool mReInit;			/* setup things for GL */
@@ -75,7 +74,7 @@ private:
 	// OpenThreads::Condition mInitCond;	/* condition variable for init */
 	// mutable OpenThreads::Mutex mMutex;	/* lock our data */

-	std::vector<unsigned char> mOSDBuffer; /* silly bounce buffer */
+	std::vector<unsigned char> *osd_buf; /* silly bounce buffer */

 #if USE_OPENGL
 	std::map<unsigned char, int> mKeyMap;
@@ -86,6 +85,7 @@ private:
 #endif
 	int input_fd;
 	int64_t last_apts;
+	void run();

 	static void rendercb();		/* callback for GLUT */
 	void render();			/* actual render function */
@@ -103,8 +103,10 @@ private:
 #endif

 	void initKeys();		/* setup key bindings for window */
+#if 0
 	void setupCtx();		/* create the window and make the context current */
 	void setupOSDBuffer();		/* create the OSD buffer */
+#endif

 	struct {
 		int width;		/* width and height, fixed for a framebuffer instance */
--- a/generic-pc/init.cpp
+++ b/generic-pc/init.cpp
@@ -1,4 +1,5 @@
 #include <cstring>
+#include <cstdlib>
 #include <unistd.h>

 #include "init_td.h"
--- a/generic-pc/video.cpp
+++ b/generic-pc/video.cpp
@@ -49,7 +49,7 @@ extern "C" {

 #include "video_lib.h"
 #include "dmx_hal.h"
-#include "glfb.h"
+#include "glfb_priv.h"
 #include "lt_debug.h"
 #define lt_debug(args...) _lt_debug(TRIPLE_DEBUG_VIDEO, this, args)
 #define lt_info(args...) _lt_info(TRIPLE_DEBUG_VIDEO, this, args)
@@ -57,7 +57,7 @@ extern "C" {

 cVideo *videoDecoder = NULL;
 extern cDemux *videoDemux;
-extern GLFramebuffer *glfb;
+extern GLFbPC *glfb_priv;
 int system_rev = 0;

 extern bool HAL_nodec;
@@ -111,7 +111,7 @@ int cVideo::setAspectRatio(int vformat, int cropping)
 	if (cropping >= 0)
 		display_crop = (DISPLAY_AR_MODE) cropping;
 	if (display_aspect < DISPLAY_AR_RAW && output_h > 0) /* don't know what to do with this */
-		glfb->setOutputFormat(aspect_ratios[display_aspect], output_h, display_crop);
+		glfb_priv->setOutputFormat(aspect_ratios[display_aspect], output_h, display_crop);
 	return 0;
 }

@@ -222,7 +222,7 @@ int cVideo::SetVideoSystem(int system, bool)
 //	v_std = (VIDEO_STD) system;
 	output_h = h;
 	if (display_aspect < DISPLAY_AR_RAW && output_h > 0) /* don't know what to do with this */
-		glfb->setOutputFormat(aspect_ratios[display_aspect], output_h, display_crop);
+		glfb_priv->setOutputFormat(aspect_ratios[display_aspect], output_h, display_crop);
 	return 0;
 }

@@ -369,6 +369,7 @@ void cVideo::Pig(int x, int y, int w, int h, int /*osd_w*/, int /*osd_h*/, int /
 	pig_y = y;
 	pig_w = w;
 	pig_h = h;
+	pig_changed = true;
 }

 void cVideo::getPictureInfo(int &width, int &height, int &rate)
@@ -572,10 +573,18 @@ void cVideo::run(void)
 				f->width(c->width);
 				f->height(c->height);
 				int64_t vpts = av_frame_get_best_effort_timestamp(frame);
+				/* a/v delay determined experimentally :-) */
+#if USE_OPENGL
 				if (v_format == VIDEO_FORMAT_MPEG2)
 					vpts += 90000*4/10; /* 400ms */
 				else
 					vpts += 90000*3/10; /* 300ms */
+#endif
+#if USE_CLUTTER
+				/* no idea why there's a difference between OpenGL and clutter rendering... */
+				if (v_format == VIDEO_FORMAT_MPEG2)
+					vpts += 90000*3/10; /* 300ms */
+#endif
 				f->pts(vpts);
 				AVRational a = av_guess_sample_aspect_ratio(avfc, avfc->streams[0], frame);
 				f->AR(a);
@@ -675,8 +684,8 @@ bool cVideo::GetScreenImage(unsigned char * &data, int &xres, int &yres, bool ge
 	std::vector<unsigned char> *osd = NULL;
 	std::vector<unsigned char> s_osd; /* scaled OSD */
 	int vid_w = 0, vid_h = 0;
-	int osd_w = glfb->getOSDWidth();
-	int osd_h = glfb->getOSDHeight();
+	int osd_w = glfb_priv->getOSDWidth();
+	int osd_h = glfb_priv->getOSDHeight();
 	xres = osd_w;
 	yres = osd_h;
 	if (get_video) {
@@ -700,24 +709,26 @@ bool cVideo::GetScreenImage(unsigned char * &data, int &xres, int &yres, bool ge
 		yres = osd_h;
 	}
 	if (get_osd)
-		osd = glfb->getOSDBuffer();
+		osd = glfb_priv->getOSDBuffer();
 	unsigned int need = av_image_get_buffer_size(AV_PIX_FMT_RGB32, xres, yres, 1);
 	data = (unsigned char *)realloc(data, need); /* will be freed by caller */
 	if (data == NULL)	/* out of memory? */
 		return false;

 	if (get_video) {
-		//memcpy dont work with copy BGR24 to RGB32
+#if USE_OPENGL //memcpy dont work with copy BGR24 to RGB32
 		if (vid_w != xres || vid_h != yres){ /* scale video into data... */
-			bool ret = swscale(&video[0], data, vid_w, vid_h, xres, yres, AV_PIX_FMT_RGB32);
+#endif
+			bool ret = swscale(&video[0], data, vid_w, vid_h, xres, yres,VDEC_PIXFMT);
 			if(!ret){
 				free(data);
 				return false;
 			}
-		//memcpy dont work with copy BGR24 to RGB32
-		} else { /* get_video and no fancy scaling needed */
+#if USE_OPENGL //memcpy dont work with copy BGR24 to RGB32
+		}else{ /* get_video and no fancy scaling needed */
 			memcpy(data, &video[0], xres * yres * sizeof(uint32_t));
 		}
+#endif
 	}

 	if (get_osd && (osd_w != xres || osd_h != yres)) {
--- a/generic-pc/video_lib.h
+++ b/generic-pc/video_lib.h
@@ -120,10 +120,10 @@ typedef enum
 } VIDEO_CONTROL;


-#define VDEC_MAXBUFS 0x30
+#define VDEC_MAXBUFS 0x40
 class cVideo : public OpenThreads::Thread
 {
-	friend class GLFramebuffer;
+	friend class GLFbPC;
 	friend class cDemux;
 	private:
 		/* called from GL thread */
--- a/include/glfb.h
+++ b/include/glfb.h
@@ -1,10 +1,42 @@
-#include <config.h>
-#if HAVE_GENERIC_HARDWARE
-#if BOXMODEL_RASPI
-#include "../raspi/glfb.h"
-#else
-#include "../generic-pc/glfb.h"
-#endif
-#else
-#error glfb.h only works with HAVE_GENERIC_HARDWARE defined
+/*
+	Copyright 2010 Carsten Juttner <carjay@gmx.net>
+	Copyright 2012,2013 Stefan Seyfried <seife@tuxboxcvs.slipkontur.de>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __glfb__
+#define __glfb__
+#include <OpenThreads/Thread>
+#include <vector>
+#include <linux/fb.h> /* for screeninfo etc. */
+
+class GLFramebuffer : public OpenThreads::Thread
+{
+public:
+	GLFramebuffer(int x, int y);
+	~GLFramebuffer();
+	std::vector<unsigned char> *getOSDBuffer() { return &osd_buf; } /* pointer to OSD bounce buffer */
+	void blit();
+	fb_var_screeninfo getScreenInfo() { return si; }
+
+private:
+	fb_var_screeninfo si;
+	std::vector<unsigned char> osd_buf; /* silly bounce buffer */
+	void run();	/* for OpenThreads::Thread */
+	void setup();
+	void blit_osd();
+	void *pdata;	/* not yet used */
+};
 #endif