diff options
Diffstat (limited to 'sys/osxvideo/cocoawindow.m')
| -rw-r--r-- | sys/osxvideo/cocoawindow.m | 475 |
1 files changed, 475 insertions, 0 deletions
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 |