configure.ac: Check for an Objective C compiler

Original commit message from CVS:
* configure.ac:
Check for an Objective C compiler
* sys/Makefile.am:
* sys/osxvideo/Makefile.am:
* sys/osxvideo/cocoawindow.h:
* sys/osxvideo/cocoawindow.m:
* sys/osxvideo/osxvideosink.h:
* sys/osxvideo/osxvideosink.m:
Port of osxvideo plugin to 0.10. Do NOT consider 100% stable !
Fixes #402470

8 files changed, 1198 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index dcdd8651..0c6f51ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2007-01-30  Edward Hervey  <edward@fluendo.com>
+
+	* configure.ac:
+	Check for an Objective C compiler
+	* sys/Makefile.am:
+	* sys/osxvideo/Makefile.am:
+	* sys/osxvideo/cocoawindow.h:
+	* sys/osxvideo/cocoawindow.m:
+	* sys/osxvideo/osxvideosink.h:
+	* sys/osxvideo/osxvideosink.m:
+	Port of osxvideo plugin to 0.10. Do NOT consider 100% stable !
+	Fixes #402470
+
 2007-01-28  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* gst/videocrop/gstvideocrop.c:
diff --git a/configure.ac b/configure.ac
index cafdf7cb..ec10ae01 100644
--- a/configure.ac
+++ b/configure.ac
@@ -131,6 +131,8 @@ AC_PROG_CXX
 dnl determine if c++ is available on this system
 AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
 
+AS_PROG_OBJC
+
 AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
 AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
 
@@ -360,6 +362,24 @@ int main ()
   AC_SUBST(HAVE_DIRECTSOUND)
 ])
 
+dnl *** OS X video ***
+translit(dnm, m, l) AM_CONDITIONAL(USE_OSX_VIDEO, true)
+HAVE_OSX_VIDEO="no"
+GST_CHECK_FEATURE(OSX_VIDEO, [OSX video], osxvideosink, [
+  AC_CHECK_HEADER(OpenGL/gl.h, HAVE_OSX_VIDEO="yes", HAVE_OSX_VIDEO="no")
+])
+dnl in case header OpenGL/gl.h is found on other platforms
+case "$host" in
+  *-*darwin*)
+    dnl do nothing
+    ;;
+  *)
+    HAVE_OSX_VIDEO="no"
+    ;;
+esac
+
+
+
 dnl *** ext plug-ins ***
 dnl keep this list sorted alphabetically !
 
@@ -961,6 +981,7 @@ sys/glsink/Makefile
 sys/dvb/Makefile
 sys/directdraw/Makefile
 sys/directsound/Makefile
+sys/osxvideo/Makefile
 examples/Makefile
 examples/directfb/Makefile
 ext/amrwb/Makefile
diff --git a/sys/Makefile.am b/sys/Makefile.am
index 86d4f7a6..06e792bc 100644
--- a/sys/Makefile.am
+++ b/sys/Makefile.am
@@ -46,6 +46,12 @@ else
 DIRECTSOUND_DIR=
 endif
 
-SUBDIRS = $(GL_DIR) $(DVB_DIR) $(DIRECTDRAW_DIR) $(DIRECTSOUND_DIR)
+if USE_OSX_VIDEO
+OSX_VIDEO_DIR=osxvideo
+else
+OSX_VIDEO_DIR=
+endif
+
+SUBDIRS = $(GL_DIR) $(DVB_DIR) $(DIRECTDRAW_DIR) $(DIRECTSOUND_DIR) $(OSX_VIDEO_DIR)
 
-DIST_SUBDIRS = glsink dvb directdraw directsound
+DIST_SUBDIRS = glsink dvb directdraw directsound osxvideo
diff --git a/sys/osxvideo/Makefile.am b/sys/osxvideo/Makefile.am
new file mode 100644
index 00000000..99bb0489
--- /dev/null
+++ b/sys/osxvideo/Makefile.am
@@ -0,0 +1,17 @@
+# FIXME: clean up this crap
+OBJC=gcc
+
+plugin_LTLIBRARIES = libgstosxvideosink.la
+
+libgstosxvideosink_la_SOURCES = osxvideosink.m cocoawindow.m 
+libgstosxvideosink_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
+	$(GST_PLUGINS_BASE_CFLAGS)
+libgstosxvideosink_la_LIBADD =  \
+	$(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_MAJORMINOR) \
+	-lgstinterfaces-$(GST_MAJORMINOR)
+
+libgstosxvideosink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -Wl,-framework -Wl,Cocoa -Wl,-framework -Wl,QuickTime -Wl,-framework -Wl,OpenGL
+
+AM_OBJCFLAGS=$(CFLAGS) $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS)
+
+noinst_HEADERS = osxvideosink.h cocoawindow.h
diff --git a/sys/osxvideo/cocoawindow.h b/sys/osxvideo/cocoawindow.h
new file mode 100644
index 00000000..c4a774d1
--- /dev/null
+++ b/sys/osxvideo/cocoawindow.h
@@ -0,0 +1,79 @@
+/* GStreamer
+ * Copyright (C) 2004 Zaheer Abbas Merali <zaheerabbas at merali dot org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* inspiration gained from looking at source of osx video out of xine and vlc 
+ * and is reflected in the code
+ */
+
+#import <Cocoa/Cocoa.h>
+#import <QuickTime/QuickTime.h>
+#import <glib.h>
+
+struct _GstOSXImage;
+
+@interface GstGLView : NSOpenGLView
+{
+    int i_effect;
+    unsigned long pi_texture;
+    float f_x;
+    float f_y;
+    int initDone;
+    char* data;
+    int width, height;
+    BOOL fullscreen;
+    NSOpenGLContext* fullScreenContext; 
+}
+- (void) drawQuad;
+- (void) drawRect: (NSRect) rect;
+- (id) initWithFrame: (NSRect) frame;
+- (void) initTextures;
+- (void) reloadTexture;
+- (void) cleanUp;
+- (void) displayTexture;
+- (char*) getTextureBuffer;
+- (void) setFullScreen: (BOOL) flag;
+- (void) reshape;
+- (void) setVideoSize: (int) w: (int) h;
+
+@end
+
+@interface GstView : NSQuickDrawView {
+    int                        width, height;
+    gboolean isPortSet;
+    void* port;
+/* Quicktime Sequence */
+    ImageSequence qtseqid;
+    ImageDescriptionHandle imgdesc;
+    struct _GstOSXImage* curimg;
+}
+- (void) drawRect: (NSRect) rect;
+- (id) initWithFrame: (NSRect) frame;
+- (void) setVideoSize: (int) w: (int) h;
+- (void) setVideoImage: (GstBuffer*) img;
+@end
+
+@interface GstOSXVideoSinkWindow: NSWindow {
+   int width, height;
+   GstGLView *gstview;
+}
+
+- (void) setContentSize: (NSSize) size;
+- (GstGLView *) gstView;
+- (id)initWithContentRect:(NSRect)contentRect styleMask:(unsigned int)styleMask backing:(NSBackingStoreType)bufferingType defer:(BOOL)flag screen:(NSScreen *)aScreen;
+@end
diff --git a/sys/osxvideo/cocoawindow.m b/sys/osxvideo/cocoawindow.m
new file mode 100644
index 00000000..e5f7694a
--- /dev/null
+++ b/sys/osxvideo/cocoawindow.m
@@ -0,0 +1,475 @@
+/* GStreamer
+ * Copyright (C) 2004 Zaheer Abbas Merali <zaheerabbas at merali dot org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* inspiration gained from looking at source of osx video out of xine and vlc
+ * and is reflected in the code
+ */
+
+
+#include <Cocoa/Cocoa.h>
+#include <gst/gst.h>
+#import "cocoawindow.h"
+#import "osxvideosink.h"
+
+#include <OpenGL/OpenGL.h>
+#include <OpenGL/gl.h>
+#include <OpenGL/glext.h>
+
+/* Debugging category */
+#include <gst/gstinfo.h>
+
+@ implementation GstOSXVideoSinkWindow
+
+- (id) initWithContentRect: (NSRect) rect
+		 styleMask: (unsigned int) styleMask
+		   backing: (NSBackingStoreType) bufferingType 
+		     defer: (BOOL) flag
+		    screen:(NSScreen *) aScreen
+{
+  self = [super initWithContentRect: rect
+		styleMask: styleMask
+		backing: bufferingType 
+		defer: flag 
+		screen:aScreen];
+
+  GST_DEBUG ("Initializing GstOSXvideoSinkWindow");
+
+  gstview = [[GstGLView alloc] initWithFrame:rect];
+  
+  if (gstview)
+    [self setContentView:gstview];
+  [self setTitle:@"GStreamer Video Output"];
+
+  return self;
+}
+
+- (void) setContentSize:(NSSize) size {
+  width = size.width;
+  height = size.height;
+
+  [gstview setVideoSize: (int) width:(int) height];
+
+  [super setContentSize:size];
+}
+
+- (GstGLView *) gstView {
+  return gstview;
+}
+
+- (void) awakeFromNib {
+  [self setAcceptsMouseMovedEvents:YES];
+}
+
+- (void) sendEvent:(NSEvent *) event {
+  BOOL taken = NO;
+
+  GST_LOG ("event %p type:%d", event,[event type]);
+
+  if ([event type] == NSKeyDown) {
+  }
+  /*taken = [gstview keyDown:event]; */
+
+  if (!taken) {
+    [super sendEvent:event];
+  }
+}
+
+
+@end
+
+//
+// GstView
+// Deprecated QuickDraw implementation
+//
+
+@ implementation GstView
+
+- (void) drawRect:(NSRect) rect {
+  /*NSRect bounds = [self bounds];
+    [[NSColor greenColor] set];
+    [NSBezierPath fillRect:bounds]; */
+  [[NSColor blackColor] set];
+  NSRectFill (rect);
+  [super drawRect:rect];
+}
+
+- (id) initWithFrame:(NSRect) frame {
+  NSRect bounds =[self bounds];
+
+  [[NSColor greenColor] set];
+
+  self =[super initWithFrame:frame];
+  isPortSet = FALSE;
+  [NSBezierPath fillRect:bounds];
+  return self;
+}
+
+- (void) setVideoSize: (int) w:(int) h {
+  GST_LOG ("width:%d height:%d", w, h);
+  
+  width = w;
+  height = h;
+}
+
+- (void) setVideoImage:(GstBuffer *) img {
+  if (isPortSet == FALSE) {
+    // first image
+    //GWorldPtr imgGWorld;
+    //Rect coords;
+    OSErr err;
+    ImageDescriptionPtr pimgdesc;
+
+    err = EnterMovies ();
+
+    if (err != noErr)
+      GST_ERROR ("EnterMovies error: %d", err);
+    /*SetRect(&coords,0,0,width,height);
+      NewGWorldFromPtr (&imgGWorld, kYUV420CodecType, &coords, 0, 0, 0, GST_BUFFER_DATA(img), width * 4);
+      MakeImageDescriptionForPixMap (GetGWorldPixMap(imgGWorld), &imgdesc);
+      DisposeGWorld(imgGWorld); */
+    imgdesc =
+      (ImageDescriptionHandle) NewHandleClear (sizeof (ImageDescription));
+    pimgdesc = *imgdesc;
+    pimgdesc->idSize = sizeof (ImageDescription);
+    pimgdesc->cType = kYUV420CodecType;
+    pimgdesc->version = 1;
+    pimgdesc->revisionLevel = 0;
+    pimgdesc->vendor = 'appl';
+    pimgdesc->width = width;
+    pimgdesc->height = height;
+    pimgdesc->hRes = Long2Fix (72);
+    pimgdesc->vRes = Long2Fix (72);
+    pimgdesc->spatialQuality = codecLosslessQuality;
+    pimgdesc->frameCount = 1;
+    pimgdesc->clutID = -1;
+    pimgdesc->dataSize = 0;
+    pimgdesc->depth = 12;
+
+    [self lockFocus];
+    port =[self qdPort];
+    g_warning ("port = 0x%x", (int) port);
+    err = DecompressSequenceBeginS (&qtseqid, imgdesc, NULL, 0, port, NULL, NULL, NULL, 0,      // srcCopy
+				    NULL, codecFlagUseImageBuffer, codecLosslessQuality, bestSpeedCodec);
+    if (err != noErr) {
+      GST_DEBUG ("DecompressSequenceBeginS error: %d", err);
+    }
+    [self unlockFocus];
+    isPortSet = TRUE;
+  }
+
+  OSErr err;
+  CodecFlags flags;
+
+  GST_DEBUG ("qtseqid: %d img data: %p size: %d", (int) qtseqid,
+	     GST_BUFFER_DATA (img), GST_BUFFER_SIZE (img));
+  err =
+    DecompressSequenceFrameS (qtseqid, (char *) GST_BUFFER_DATA (img),
+			      GST_BUFFER_SIZE (img), codecFlagUseImageBuffer, &flags, NULL);
+  if (err != noErr) {
+    GST_DEBUG ("DecompressSequenceS erro: %d", err);
+  } else {
+    //QDFlushPortBuffer (port, nil);
+  }
+
+}
+
+@end
+
+//
+// OpenGL implementation
+//
+
+@ implementation GstGLView
+
+- (id) initWithFrame:(NSRect) frame {
+  NSOpenGLPixelFormat *fmt;
+  NSOpenGLPixelFormatAttribute attribs[] = {
+    NSOpenGLPFAAccelerated,
+    NSOpenGLPFANoRecovery,
+    NSOpenGLPFADoubleBuffer,
+    NSOpenGLPFAColorSize, 24,
+    NSOpenGLPFAAlphaSize, 8,
+    NSOpenGLPFADepthSize, 24,
+    NSOpenGLPFAWindow,
+    0
+  };
+
+  fmt = [[NSOpenGLPixelFormat alloc]
+	  initWithAttributes:attribs];
+
+  if (!fmt) {
+    GST_WARNING ("Cannot create NSOpenGLPixelFormat");
+    return nil;
+  }
+
+  self = [super initWithFrame: frame pixelFormat:fmt];
+
+  [[self openGLContext] makeCurrentContext];
+  [[self openGLContext] update];
+
+  /* Black background */
+  glClearColor (0.0, 0.0, 0.0, 0.0);
+
+  pi_texture = 0;
+  data = g_malloc (2 * 320 * 240);
+  width = frame.size.width;
+  height = frame.size.height;
+
+  GST_LOG ("Width: %d Height: %d", width, height);
+
+  [self initTextures];
+  return self;
+}
+
+- (void) reshape {
+  NSRect bounds;
+
+  GST_LOG ("reshaping");
+
+  if (!initDone) {
+    return;
+  }
+
+  [[self openGLContext] makeCurrentContext];
+
+  bounds = [self bounds];
+
+  glViewport (0, 0, (GLint) bounds.size.width, (GLint) bounds.size.height);
+
+}
+
+- (void) initTextures {
+  NSOpenGLContext *currentContext;
+
+  if (fullscreen)
+    currentContext = fullScreenContext;
+  else
+    currentContext =[self openGLContext];
+
+  [currentContext makeCurrentContext];
+
+  /* Free previous texture if any */
+  if (initDone) {
+    glDeleteTextures (1, &pi_texture);
+  }
+  /* Create textures */
+  glGenTextures (1, &pi_texture);
+
+  glEnable (GL_TEXTURE_RECTANGLE_EXT);
+  glEnable (GL_UNPACK_CLIENT_STORAGE_APPLE);
+
+  glBindTexture (GL_TEXTURE_RECTANGLE_EXT, pi_texture);
+
+  /* Use VRAM texturing */
+  glTexParameteri (GL_TEXTURE_RECTANGLE_EXT,
+		   GL_TEXTURE_STORAGE_HINT_APPLE, GL_STORAGE_CACHED_APPLE);
+
+  /* Tell the driver not to make a copy of the texture but to use
+     our buffer */
+  glPixelStorei (GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
+
+
+  /* Linear interpolation */
+  glTexParameteri (GL_TEXTURE_RECTANGLE_EXT, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_EXT, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+  /* I have no idea what this exactly does, but it seems to be
+     necessary for scaling */
+  glTexParameteri (GL_TEXTURE_RECTANGLE_EXT,
+		   GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  glTexParameteri (GL_TEXTURE_RECTANGLE_EXT,
+		   GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
+
+  glTexImage2D (GL_TEXTURE_RECTANGLE_EXT, 0, GL_RGBA,
+		width, height, 0, GL_YCBCR_422_APPLE, GL_UNSIGNED_SHORT_8_8_APPLE, data);
+
+
+  initDone = 1;
+}
+
+- (void) reloadTexture {
+  NSOpenGLContext *currentContext;
+
+  if (!initDone) {
+    return;
+  }
+
+  GST_LOG ("Reloading Texture");
+
+  if (fullscreen)
+    currentContext = fullScreenContext;
+  else
+    currentContext =[self openGLContext];
+  [currentContext makeCurrentContext];
+
+  glBindTexture (GL_TEXTURE_RECTANGLE_EXT, pi_texture);
+
+  /* glTexSubImage2D is faster than glTexImage2D
+     http://developer.apple.com/samplecode/Sample_Code/Graphics_3D/
+     TextureRange/MainOpenGLView.m.htm */
+  glTexSubImage2D (GL_TEXTURE_RECTANGLE_EXT, 0, 0, 0, width, height, GL_YCBCR_422_APPLE, GL_UNSIGNED_SHORT_8_8_APPLE, data);    //FIXME
+}
+
+- (void) cleanUp {
+  initDone = 0;
+}
+
+- (void) drawQuad {
+  f_x = 1.0;
+  f_y = 1.0;
+
+  glBegin (GL_QUADS);
+  /* Top left */
+  glTexCoord2f (0.0, 0.0);
+  glVertex2f (-f_x, f_y);
+  /* Bottom left */
+  glTexCoord2f (0.0, (float) height);
+  glVertex2f (-f_x, -f_y);
+  /* Bottom right */
+  glTexCoord2f ((float) width, (float) height);
+  glVertex2f (f_x, -f_y);
+  /* Top right */
+  glTexCoord2f ((float) width, 0.0);
+  glVertex2f (f_x, f_y);
+  glEnd ();
+}
+
+- (void) drawRect:(NSRect) rect {
+  NSOpenGLContext *currentContext;
+  long params[] = { 1 };
+
+  if (fullscreen) {
+    currentContext = fullScreenContext;
+  } else {
+    currentContext =[self openGLContext];
+  }
+  [currentContext makeCurrentContext];
+
+  CGLSetParameter (CGLGetCurrentContext (), kCGLCPSwapInterval, params);
+
+  /* Black background */
+  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  if (!initDone) {
+    [[self openGLContext] flushBuffer];
+    return;
+  }
+
+  /* Draw */
+  glBindTexture (GL_TEXTURE_RECTANGLE_EXT, pi_texture); // FIXME
+  [self drawQuad];
+  /* Draw */
+  [currentContext flushBuffer];
+}
+
+- (void) displayTexture {
+  if ([self lockFocusIfCanDraw]) {
+
+    [self drawRect:[self bounds]];
+    [self reloadTexture];
+
+    [self unlockFocus];
+
+  }
+
+}
+
+- (char *) getTextureBuffer {
+  return data;
+}
+
+- (void) setFullScreen:(BOOL) flag {
+  if (!fullscreen && flag) {
+    // go to full screen
+    /* Create the new pixel format */
+    NSOpenGLPixelFormat *fmt;
+    NSOpenGLPixelFormatAttribute attribs[] = {
+      NSOpenGLPFAAccelerated,
+      NSOpenGLPFANoRecovery,
+      NSOpenGLPFADoubleBuffer,
+      NSOpenGLPFAColorSize, 24,
+      NSOpenGLPFAAlphaSize, 8,
+      NSOpenGLPFADepthSize, 24,
+      NSOpenGLPFAFullScreen,
+      NSOpenGLPFAScreenMask,
+      CGDisplayIDToOpenGLDisplayMask (kCGDirectMainDisplay),
+      0
+    };
+
+    fmt = [[NSOpenGLPixelFormat alloc]
+	    initWithAttributes:attribs];
+
+    if (!fmt) {
+      GST_WARNING ("Cannot create NSOpenGLPixelFormat");
+      return;
+    }
+
+    /* Create the new OpenGL context */
+    fullScreenContext = [[NSOpenGLContext alloc]
+			  initWithFormat: fmt shareContext:nil];
+    if (!fullScreenContext) {
+      GST_WARNING ("Failed to create new NSOpenGLContext");
+      return;
+    }
+
+    /* Capture display, switch to fullscreen */
+    if (CGCaptureAllDisplays () != CGDisplayNoErr) {
+      GST_WARNING ("CGCaptureAllDisplays() failed");
+      return;
+    }
+    [fullScreenContext setFullScreen];
+    [fullScreenContext makeCurrentContext];
+
+    fullscreen = YES;
+
+    [self initTextures];
+    [self setNeedsDisplay:YES];
+
+  } else if (fullscreen && !flag) {
+    // fullscreen now and needs to go back to normal
+    initDone = NO;
+    [NSOpenGLContext clearCurrentContext];
+
+    CGReleaseAllDisplays ();
+
+    [self reshape];
+    [self initTextures];
+
+    [self setNeedsDisplay:YES];
+
+    fullscreen = NO;
+    initDone = YES;
+  }
+}
+
+- (void) setVideoSize: (int) w:(int) h {
+  GST_LOG ("width:%d, height:%d", w, h);
+
+  width = w;
+  height = h;
+
+  // FIXME : so, do we free, or don't we ?
+  //if (data) g_free(data);
+
+  data = g_malloc0 (2 * w * h);
+  [self reloadTexture];
+}
+
+@end
diff --git a/sys/osxvideo/osxvideosink.h b/sys/osxvideo/osxvideosink.h
new file mode 100644
index 00000000..b2577512
--- /dev/null
+++ b/sys/osxvideo/osxvideosink.h
@@ -0,0 +1,111 @@
+/* GStreamer
+ * Copyright (C) 2004-6 Zaheer Abbas Merali <zaheerabbas at merali dot org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+ 
+#ifndef __GST_OSX_VIDEO_SINK_H__
+#define __GST_OSX_VIDEO_SINK_H__
+
+#include <gst/video/gstvideosink.h>
+
+#include <string.h>
+#include <math.h>
+#include <Cocoa/Cocoa.h>
+
+#include <QuickTime/QuickTime.h>
+#import "cocoawindow.h"
+
+GST_DEBUG_CATEGORY_EXTERN (gst_debug_osx_video_sink);
+#define GST_CAT_DEFAULT gst_debug_osx_video_sink
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_OSX_VIDEO_SINK \
+  (gst_osx_video_sink_get_type())
+#define GST_OSX_VIDEO_SINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_OSX_VIDEO_SINK, GstOSXVideoSink))
+#define GST_OSX_VIDEO_SINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_OSX_VIDEO_SINK, GstOSXVideoSinkClass))
+#define GST_IS_OSX_VIDEO_SINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_OSX_VIDEO_SINK))
+#define GST_IS_OSX_VIDEO_SINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_OSX_VIDEO_SINK))
+
+typedef struct _GstOSXWindow GstOSXWindow;
+
+typedef struct _GstOSXVideoSink GstOSXVideoSink;
+typedef struct _GstOSXVideoSinkClass GstOSXVideoSinkClass;
+
+#define GST_TYPE_OSXVIDEOBUFFER (gst_osxvideobuffer_get_type())
+
+#define GST_IS_OSXVIDEOBUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OSXVIDEOBUFFER))
+#define GST_OSXVIDEOBUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OSXVIDEOBUFFER, GstOSXVideoBuffer))
+
+typedef struct _GstOSXVideoBuffer GstOSXVideoBuffer;
+  
+struct _GstOSXVideoBuffer {
+  GstBuffer buffer; /* We extend GstBuffer */
+  
+  CVOpenGLTextureRef texture;
+  
+  gint width;
+  gint height;
+  
+  gboolean locked;
+  
+  GstOSXVideoSink *osxvideosink;
+};
+
+/* OSXWindow stuff */
+struct _GstOSXWindow {
+  gint width, height;
+  gboolean internal;
+  GstOSXVideoSinkWindow* win;
+  GstGLView* gstview;
+};
+
+struct _GstOSXVideoSink {
+  /* Our element stuff */
+  GstVideoSink videosink;
+
+  GMutex *pool_lock;
+  GSList *buffer_pool;
+
+  GstOSXWindow *osxwindow;
+  
+  gint fps_n;
+  gint fps_d;
+  
+  /* Unused */
+  gint pixel_width, pixel_height;
+ 
+  GstClockTime time;
+  
+  gboolean embed;
+  gboolean fullscreen; 
+  gboolean sw_scaling_failed;
+};
+
+struct _GstOSXVideoSinkClass {
+  GstVideoSinkClass parent_class;
+};
+
+GType gst_osx_video_sink_get_type(void);
+
+G_END_DECLS
+
+#endif /* __GST_OSX_VIDEO_SINK_H__ */
diff --git a/sys/osxvideo/osxvideosink.m b/sys/osxvideo/osxvideosink.m
new file mode 100644
index 00000000..f3f09975
--- /dev/null
+++ b/sys/osxvideo/osxvideosink.m
@@ -0,0 +1,474 @@
+/* GStreamer
+ * OSX video sink
+ * Copyright (C) 2004-6 Zaheer Abbas Merali <zaheerabbas at merali dot org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+/* Object header */
+#include "osxvideosink.h"
+
+#import "cocoawindow.h"
+
+/* Debugging category */
+GST_DEBUG_CATEGORY (gst_debug_osx_video_sink);
+#define GST_CAT_DEFAULT gst_debug_osx_video_sink
+
+/* ElementFactory information */
+static const GstElementDetails gst_osx_video_sink_details =
+GST_ELEMENT_DETAILS ("OSX Video sink",
+    "Sink/Video",
+    "OSX native videosink",
+    "Zaheer Abbas Merali <zaheerabbas at merali dot org>");
+
+/* Default template - initiated with class struct to allow gst-register to work
+   without X running */
+static GstStaticPadTemplate gst_osx_video_sink_sink_template_factory =
+GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("video/x-raw-yuv, "
+        "framerate = (fraction) [ 0, MAX ], "
+        "width = (int) [ 1, MAX ], "
+	"height = (int) [ 1, MAX ], "
+        "format = (fourcc) UYVY")
+    );
+
+enum
+{
+  ARG_0,
+  ARG_EMBED,
+  ARG_FULLSCREEN
+      /* FILL ME */
+};
+
+static GstVideoSinkClass *parent_class = NULL;
+
+/* cocoa event loop - needed if not run in own app */
+gpointer
+cocoa_event_loop (GstOSXVideoSink * vsink)
+{
+  GST_DEBUG_OBJECT (vsink, "About to start cocoa event loop");
+
+  [NSApp run];
+
+  GST_DEBUG_OBJECT (vsink, "Cocoa event loop ended");
+
+  return NULL;
+}
+
+/* This function handles osx window creation */
+static GstOSXWindow *
+gst_osx_video_sink_osxwindow_new (GstOSXVideoSink * osxvideosink, gint width,
+    gint height)
+{
+  NSRect rect;
+  GstOSXWindow *osxwindow = NULL;
+
+  g_return_val_if_fail (GST_IS_OSX_VIDEO_SINK (osxvideosink), NULL);
+
+  osxwindow = g_new0 (GstOSXWindow, 1);
+
+  osxwindow->width = width;
+  osxwindow->height = height;
+  osxwindow->internal = TRUE;
+
+  if (osxvideosink->embed == FALSE) {
+    NSAutoreleasePool *pool;
+
+    rect.origin.x = 100.0;
+    rect.origin.y = 100.0;
+    rect.size.width = (float) osxwindow->width;
+    rect.size.height = (float) osxwindow->height;
+
+    pool =[[NSAutoreleasePool alloc] init];
+
+    [NSApplication sharedApplication];
+    osxwindow->win =[[GstOSXVideoSinkWindow alloc] initWithContentRect: rect styleMask: NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask backing: NSBackingStoreBuffered defer: NO screen:nil];
+    [osxwindow->win makeKeyAndOrderFront:NSApp];
+    osxwindow->gstview =[osxwindow->win gstView];
+    if (osxvideosink->fullscreen)
+      [osxwindow->gstview setFullScreen:YES];
+
+    [pool release];
+
+    /* Start Cocoa event loop */
+    g_thread_create ((GThreadFunc) cocoa_event_loop, osxvideosink, FALSE, NULL);
+  } else {
+    /* Needs to be embedded */
+
+    rect.origin.x = 0.0;
+    rect.origin.y = 0.0;
+    rect.size.width = (float) osxwindow->width;
+    rect.size.height = (float) osxwindow->height;
+    osxwindow->gstview =[[GstGLView alloc] initWithFrame:rect];
+    /* send signal 
+       FIXME: need to send a bus message */
+    /*g_signal_emit (G_OBJECT(osxvideosink),
+       gst_osx_video_sink_signals[SIGNAL_VIEW_CREATED], 0,
+       osxwindow->gstview); */
+  }
+  return osxwindow;
+}
+
+/* This function destroys a GstXWindow */
+static void
+gst_osx_video_sink_osxwindow_destroy (GstOSXVideoSink * osxvideosink,
+    GstOSXWindow * osxwindow)
+{
+  g_return_if_fail (osxwindow != NULL);
+  g_return_if_fail (GST_IS_OSX_VIDEO_SINK (osxvideosink));
+
+  g_free (osxwindow);
+}
+
+/* This function resizes a GstXWindow */
+static void
+gst_osx_video_sink_osxwindow_resize (GstOSXVideoSink * osxvideosink,
+    GstOSXWindow * osxwindow, guint width, guint height)
+{
+  NSSize size;
+
+  g_return_if_fail (osxwindow != NULL);
+  g_return_if_fail (GST_IS_OSX_VIDEO_SINK (osxvideosink));
+
+  //SizeWindow (osxwindow->win, width, height, 1);
+  osxwindow->width = width;
+  osxwindow->height = height;
+
+  size.width = width;
+  size.height = height;
+  /* Call relevant cocoa function to resize window */
+[osxwindow->win setContentSize:size];
+}
+
+static void
+gst_osx_video_sink_osxwindow_clear (GstOSXVideoSink * osxvideosink,
+    GstOSXWindow * osxwindow)
+{
+
+  g_return_if_fail (osxwindow != NULL);
+  g_return_if_fail (GST_IS_OSX_VIDEO_SINK (osxvideosink));
+
+}
+
+
+/* Element stuff */
+static gboolean
+gst_osx_video_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
+{
+  GstOSXVideoSink *osxvideosink;
+  GstStructure *structure;
+  gboolean res, result = FALSE;
+  gint video_width, video_height;
+  const GValue *framerate;
+
+  osxvideosink = GST_OSX_VIDEO_SINK (bsink);
+
+  GST_DEBUG_OBJECT (osxvideosink, "caps: %" GST_PTR_FORMAT, caps);
+
+  structure = gst_caps_get_structure (caps, 0);
+  res = gst_structure_get_int (structure, "width", &video_width);
+  res &= gst_structure_get_int (structure, "height", &video_height);
+  framerate = gst_structure_get_value (structure, "framerate");
+  res &= (framerate != NULL);
+
+  if (!res) {
+    goto beach;
+  }
+
+  osxvideosink->fps_n = gst_value_get_fraction_numerator (framerate);
+  osxvideosink->fps_d = gst_value_get_fraction_denominator (framerate);
+
+  GST_DEBUG_OBJECT (osxvideosink, "our format is: %dx%d video at %d/%d fps",
+      video_width, video_height, osxvideosink->fps_n, osxvideosink->fps_d);
+
+  GST_VIDEO_SINK_WIDTH (osxvideosink) = video_width;
+  GST_VIDEO_SINK_HEIGHT (osxvideosink) = video_height;
+
+  gst_osx_video_sink_osxwindow_resize (osxvideosink, osxvideosink->osxwindow,
+      video_width, video_height);
+  result = TRUE;
+
+beach:
+  return result;
+
+}
+
+static GstStateChangeReturn
+gst_osx_video_sink_change_state (GstElement * element,
+    GstStateChange transition)
+{
+  GstOSXVideoSink *osxvideosink;
+
+  osxvideosink = GST_OSX_VIDEO_SINK (element);
+
+  switch (transition) {
+    case GST_STATE_CHANGE_NULL_TO_READY:
+      /* Creating our window and our image */
+      if (!osxvideosink->osxwindow) {
+        GST_VIDEO_SINK_WIDTH (osxvideosink) = 320;
+        GST_VIDEO_SINK_HEIGHT (osxvideosink) = 240;
+        osxvideosink->osxwindow =
+            gst_osx_video_sink_osxwindow_new (osxvideosink,
+            GST_VIDEO_SINK_WIDTH (osxvideosink),
+            GST_VIDEO_SINK_HEIGHT (osxvideosink));
+        gst_osx_video_sink_osxwindow_clear (osxvideosink,
+            osxvideosink->osxwindow);
+      } else {
+        if (osxvideosink->osxwindow->internal)
+          gst_osx_video_sink_osxwindow_resize (osxvideosink,
+              osxvideosink->osxwindow, GST_VIDEO_SINK_WIDTH (osxvideosink),
+              GST_VIDEO_SINK_HEIGHT (osxvideosink));
+      }
+      break;
+    case GST_STATE_CHANGE_READY_TO_PAUSED:
+      GST_DEBUG ("ready to paused");
+      if (osxvideosink->osxwindow)
+        gst_osx_video_sink_osxwindow_clear (osxvideosink,
+            osxvideosink->osxwindow);
+      osxvideosink->time = 0;
+      break;
+    case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+      break;
+    case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+      break;
+    case GST_STATE_CHANGE_PAUSED_TO_READY:
+      osxvideosink->fps_n = 0;
+      osxvideosink->fps_d = 0;
+      osxvideosink->sw_scaling_failed = FALSE;
+      GST_VIDEO_SINK_WIDTH (osxvideosink) = 0;
+      GST_VIDEO_SINK_HEIGHT (osxvideosink) = 0;
+      break;
+    case GST_STATE_CHANGE_READY_TO_NULL:
+
+      if (osxvideosink->osxwindow) {
+        gst_osx_video_sink_osxwindow_destroy (osxvideosink,
+            osxvideosink->osxwindow);
+        osxvideosink->osxwindow = NULL;
+      }
+      break;
+  }
+
+  return (GST_ELEMENT_CLASS (parent_class))->change_state (element, transition);
+
+}
+
+static GstFlowReturn
+gst_osx_video_sink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
+{
+  GstOSXVideoSink *osxvideosink;
+
+  osxvideosink = GST_OSX_VIDEO_SINK (bsink);
+
+  char *viewdata =[osxvideosink->osxwindow->gstview getTextureBuffer];
+
+  GST_DEBUG ("show_frame");
+  memcpy (viewdata, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
+  [osxvideosink->osxwindow->gstview displayTexture];
+
+  return GST_FLOW_OK;
+}
+
+/* Buffer management */
+
+
+
+/* =========================================== */
+/*                                             */
+/*              Init & Class init              */
+/*                                             */
+/* =========================================== */
+
+static void
+gst_osx_video_sink_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstOSXVideoSink *osxvideosink;
+
+  g_return_if_fail (GST_IS_OSX_VIDEO_SINK (object));
+
+  osxvideosink = GST_OSX_VIDEO_SINK (object);
+
+  switch (prop_id) {
+    case ARG_EMBED:
+      osxvideosink->embed = g_value_get_boolean (value);
+      break;
+    case ARG_FULLSCREEN:
+      osxvideosink->fullscreen = g_value_get_boolean (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_osx_video_sink_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec)
+{
+  GstOSXVideoSink *osxvideosink;
+
+  g_return_if_fail (GST_IS_OSX_VIDEO_SINK (object));
+
+  osxvideosink = GST_OSX_VIDEO_SINK (object);
+
+  switch (prop_id) {
+    case ARG_EMBED:
+      g_value_set_boolean (value, osxvideosink->embed);
+      break;
+    case ARG_FULLSCREEN:
+      g_value_set_boolean (value, osxvideosink->fullscreen);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_osx_video_sink_dispose (GObject * object)
+{
+  GstOSXVideoSink *osxvideosink;
+
+  osxvideosink = GST_OSX_VIDEO_SINK (object);
+
+  g_mutex_free (osxvideosink->pool_lock);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gst_osx_video_sink_init (GstOSXVideoSink * osxvideosink)
+{
+
+
+  osxvideosink->osxwindow = NULL;
+
+
+  osxvideosink->fps_n = 0;
+  osxvideosink->fps_d = 0;
+
+  osxvideosink->pixel_width = osxvideosink->pixel_height = 1;
+  osxvideosink->sw_scaling_failed = FALSE;
+  osxvideosink->embed = FALSE;
+  osxvideosink->fullscreen = FALSE;
+
+}
+
+static void
+gst_osx_video_sink_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+  gst_element_class_set_details (element_class, &gst_osx_video_sink_details);
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_osx_video_sink_sink_template_factory));
+}
+
+static void
+gst_osx_video_sink_class_init (GstOSXVideoSinkClass * klass)
+{
+  GObjectClass *gobject_class;
+  GstElementClass *gstelement_class;
+  GstBaseSinkClass *gstbasesink_class;
+
+  gobject_class = (GObjectClass *) klass;
+  gstelement_class = (GstElementClass *) klass;
+  gstbasesink_class = (GstBaseSinkClass *) klass;
+
+
+  parent_class = g_type_class_ref (GST_TYPE_VIDEO_SINK);
+
+  gobject_class->dispose = gst_osx_video_sink_dispose;
+  gobject_class->set_property = gst_osx_video_sink_set_property;
+  gobject_class->get_property = gst_osx_video_sink_get_property;
+
+  //gstbasesink_class->get_times = gst_osx_video_sink_get_times;
+  gstbasesink_class->set_caps = gst_osx_video_sink_setcaps;
+  gstbasesink_class->preroll = gst_osx_video_sink_show_frame;
+  gstbasesink_class->render = gst_osx_video_sink_show_frame;
+  gstelement_class->change_state = gst_osx_video_sink_change_state;
+
+  g_object_class_install_property (gobject_class, ARG_EMBED,
+      g_param_spec_boolean ("embed", "embed", "When enabled, it  "
+          "can be embedded", FALSE, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, ARG_FULLSCREEN,
+      g_param_spec_boolean ("fullscreen", "fullscreen",
+          "When enabled, the view  " "is fullscreen", FALSE,
+          G_PARAM_READWRITE));
+}
+
+/* ============================================================= */
+/*                                                               */
+/*                       Public Methods                          */
+/*                                                               */
+/* ============================================================= */
+
+/* =========================================== */
+/*                                             */
+/*          Object typing & Creation           */
+/*                                             */
+/* =========================================== */
+
+GType
+gst_osx_video_sink_get_type (void)
+{
+  static GType osxvideosink_type = 0;
+
+  if (!osxvideosink_type) {
+    static const GTypeInfo osxvideosink_info = {
+      sizeof (GstOSXVideoSinkClass),
+      gst_osx_video_sink_base_init,
+      NULL,
+      (GClassInitFunc) gst_osx_video_sink_class_init,
+      NULL,
+      NULL,
+      sizeof (GstOSXVideoSink),
+      0,
+      (GInstanceInitFunc) gst_osx_video_sink_init,
+    };
+
+    osxvideosink_type = g_type_register_static (GST_TYPE_VIDEO_SINK,
+        "GstOSXVideoSink", &osxvideosink_info, 0);
+
+  }
+
+  return osxvideosink_type;
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+
+  if (!gst_element_register (plugin, "osxvideosink",
+          GST_RANK_PRIMARY, GST_TYPE_OSX_VIDEO_SINK))
+    return FALSE;
+
+  GST_DEBUG_CATEGORY_INIT (gst_debug_osx_video_sink, "osxvideosink", 0,
+      "osxvideosink element");
+
+  return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+    GST_VERSION_MINOR,
+    "osxvideo",
+    "OSX native video output plugin",
+    plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)