mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 00:02:13 +00:00
494 lines
12 KiB
C
494 lines
12 KiB
C
#define DISP
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// this can be 3 or 4 (regarding 24bpp and 32bpp)
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#define BYTES_PP 3
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#define TEXTUREFORMAT_32BPP
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/*
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* video_out_gl.c, X11/OpenGL interface
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* based on video_out_x11 by Aaron Holtzman,
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* and WS opengl window manager by Pontscho/Fresh!
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "config.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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LIBVO_EXTERN(gl)
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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//#include <X11/keysym.h>
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#include <GL/glx.h>
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#include <errno.h>
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#include "yuv2rgb.h"
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#include <GL/gl.h>
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#include "x11_common.h"
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static vo_info_t vo_info =
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{
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"X11 (OpenGL)",
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"gl",
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"Arpad Gereoffy <arpi@esp-team.scene.hu>",
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""
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};
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/* private prototypes */
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static void Display_Image (unsigned char *ImageData);
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/* local data */
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static unsigned char *ImageData=NULL;
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/* X11 related variables */
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static Display *mydisplay;
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static Window mywindow;
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//static GC mygc;
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//static XImage *myximage;
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//static int depth,mode;
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static XWindowAttributes attribs;
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static int X_already_started = 0;
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static int texture_id=1;
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static GLXContext wsGLXContext;
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//XVisualInfo * wsVisualInfo;
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int wsGLXAttrib[] = { GLX_RGBA,
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GLX_RED_SIZE,1,
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GLX_GREEN_SIZE,1,
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GLX_BLUE_SIZE,1,
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// GLX_DEPTH_SIZE,16,
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GLX_DOUBLEBUFFER,
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None };
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static uint32_t image_width;
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static uint32_t image_height;
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static uint32_t image_format;
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static uint32_t image_bpp;
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static uint32_t image_bytes;
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static uint32_t texture_width;
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static uint32_t texture_height;
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static resize(int x,int y){
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printf("Resize: %dx%d\n",x,y);
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glViewport( 0, 0, x, y );
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(0, image_width, image_height, 0, -1,1);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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}
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/* connect to server, create and map window,
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* allocate colors and (shared) memory
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*/
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static uint32_t
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init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
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{
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int screen;
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unsigned int fg, bg;
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char *hello = (title == NULL) ? "OpenGL rulez" : title;
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char *name = ":0.0";
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XSizeHints hint;
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XVisualInfo *vinfo;
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XEvent xev;
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XGCValues xgcv;
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XSetWindowAttributes xswa;
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unsigned long xswamask;
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image_height = height;
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image_width = width;
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image_format = format;
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if (X_already_started) return -1;
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if(getenv("DISPLAY")) name = getenv("DISPLAY");
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mydisplay = XOpenDisplay(name);
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if (mydisplay == NULL)
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{
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fprintf(stderr,"Can not open display\n");
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return -1;
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}
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screen = DefaultScreen(mydisplay);
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hint.x = 0;
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hint.y = 0;
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hint.width = d_width;
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hint.height = d_height;
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hint.flags = PPosition | PSize;
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/* Get some colors */
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bg = WhitePixel(mydisplay, screen);
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fg = BlackPixel(mydisplay, screen);
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/* Make the window */
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XGetWindowAttributes(mydisplay, DefaultRootWindow(mydisplay), &attribs);
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#if 0
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/*
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*
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* depth in X11 terminology land is the number of bits used to
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* actually represent the colour.
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*
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* bpp in X11 land means how many bits in the frame buffer per
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* pixel.
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*
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* ex. 15 bit color is 15 bit depth and 16 bpp. Also 24 bit
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* color is 24 bit depth, but can be 24 bpp or 32 bpp.
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*/
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depth = attribs.depth;
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if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
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{
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/* The root window may be 8bit but there might still be
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* visuals with other bit depths. For example this is the
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* case on Sun/Solaris machines.
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*/
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depth = 24;
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}
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//BEGIN HACK
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//mywindow = XCreateSimpleWindow(mydisplay, DefaultRootWindow(mydisplay),
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//hint.x, hint.y, hint.width, hint.height, 4, fg, bg);
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//
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#endif
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// XMatchVisualInfo(mydisplay, screen, depth, TrueColor, &vinfo);
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vinfo=glXChooseVisual( mydisplay,screen,wsGLXAttrib );
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xswa.background_pixel = 0;
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xswa.border_pixel = 1;
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// xswa.colormap = XCreateColormap(mydisplay, RootWindow(mydisplay,screen), vinfo.visual, AllocNone);
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xswa.colormap = XCreateColormap(mydisplay, RootWindow(mydisplay,screen), vinfo->visual, AllocNone);
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xswamask = CWBackPixel | CWBorderPixel | CWColormap;
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// xswamask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWCursor | CWOverrideRedirect | CWSaveUnder | CWX | CWY | CWWidth | CWHeight;
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mywindow = XCreateWindow(mydisplay, RootWindow(mydisplay,screen),
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hint.x, hint.y, hint.width, hint.height, 4, vinfo->depth,CopyFromParent,vinfo->visual,xswamask,&xswa);
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wsGLXContext=glXCreateContext( mydisplay,vinfo,NULL,True );
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// XStoreName( wsDisplay,wsMyWin,wsSysName );
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// printf("GLXcontext ok\n");
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if ( fullscreen ) vo_x11_decoration( mydisplay,mywindow,0 );
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XSelectInput(mydisplay, mywindow, StructureNotifyMask);
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/* Tell other applications about this window */
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XSetStandardProperties(mydisplay, mywindow, hello, hello, None, NULL, 0, &hint);
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/* Map window. */
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XMapWindow(mydisplay, mywindow);
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/* Wait for map. */
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do
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{
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XNextEvent(mydisplay, &xev);
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}
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while (xev.type != MapNotify || xev.xmap.event != mywindow);
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XSelectInput(mydisplay, mywindow, NoEventMask);
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glXMakeCurrent( mydisplay,mywindow,wsGLXContext );
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XFlush(mydisplay);
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XSync(mydisplay, False);
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// mygc = XCreateGC(mydisplay, mywindow, 0L, &xgcv);
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// myximage = XGetImage(mydisplay, mywindow, 0, 0,
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// width, image_height, AllPlanes, ZPixmap);
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// ImageData = myximage->data;
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// bpp = myximage->bits_per_pixel;
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//XSelectInput(mydisplay, mywindow, StructureNotifyMask); // !!!!
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XSelectInput(mydisplay, mywindow, StructureNotifyMask | KeyPressMask );
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// printf("Window setup ok\n");
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#if 0
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// If we have blue in the lowest bit then obviously RGB
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mode = ((myximage->blue_mask & 0x01) != 0) ? MODE_RGB : MODE_BGR;
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#ifdef WORDS_BIGENDIAN
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if (myximage->byte_order != MSBFirst)
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#else
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if (myximage->byte_order != LSBFirst)
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#endif
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{
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fprintf( stderr, "No support fon non-native XImage byte order!\n" );
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return -1;
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}
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printf("DEPTH=%d BPP=%d\n",depth,bpp);
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#endif
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/*
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* If depth is 24 then it may either be a 3 or 4 byte per pixel
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* format. We can't use bpp because then we would lose the
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* distinction between 15/16bit depth (2 byte formate assumed).
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*
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* FIXME - change yuv2rgb_init to take both depth and bpp
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* parameters
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*/
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texture_width=32;
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while(texture_width<image_width) texture_width*=2;
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while(texture_width<image_height) texture_width*=2;
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texture_height=texture_width;
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if(format==IMGFMT_YV12){
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yuv2rgb_init(8*BYTES_PP, MODE_BGR);
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printf("YUV init OK!\n");
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image_bpp=8*BYTES_PP;
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image_bytes=BYTES_PP;
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} else {
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image_bpp=format&0xFF;
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image_bytes=(image_bpp+7)/8;
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}
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ImageData=malloc(texture_width*texture_height*image_bytes);
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memset(ImageData,128,texture_width*texture_height*image_bytes);
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glDisable(GL_BLEND);
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glDisable(GL_DEPTH_TEST);
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glDepthMask(GL_FALSE);
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glDisable(GL_CULL_FACE);
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glEnable(GL_TEXTURE_2D);
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printf("Creating %dx%d texture...\n",texture_width,texture_height);
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#if 1
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// glBindTexture(GL_TEXTURE_2D, texture_id);
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glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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#ifdef TEXTUREFORMAT_32BPP
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, texture_width, texture_height, 0,
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#else
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glTexImage2D(GL_TEXTURE_2D, 0, BYTES_PP, texture_width, texture_height, 0,
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#endif
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(image_bytes==4)?GL_RGBA:GL_BGR, GL_UNSIGNED_BYTE, ImageData);
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#endif
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resize(d_width,d_height);
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glClearColor( 1.0f,0.0f,1.0f,0.0f );
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glClear( GL_COLOR_BUFFER_BIT );
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// printf("OpenGL setup OK!\n");
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X_already_started++;
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return 0;
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}
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static const vo_info_t*
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get_info(void)
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{
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return &vo_info;
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}
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static void
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Terminate_Display_Process(void)
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{
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getchar(); /* wait for enter to remove window */
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XDestroyWindow(mydisplay, mywindow);
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XCloseDisplay(mydisplay);
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X_already_started = 0;
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}
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static void check_events(void)
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{
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int e=vo_x11_check_events(mydisplay);
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if(e&VO_EVENT_RESIZE) resize(vo_dwidth,vo_dheight);
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}
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static void
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flip_page(void)
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{
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check_events();
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// glEnable(GL_TEXTURE_2D);
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// glBindTexture(GL_TEXTURE_2D, texture_id);
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glColor3f(1,1,1);
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glBegin(GL_QUADS);
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glTexCoord2f(0,0);glVertex2i(0,0);
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glTexCoord2f(0,1);glVertex2i(0,texture_height);
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glTexCoord2f(1,1);glVertex2i(texture_width,texture_height);
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glTexCoord2f(1,0);glVertex2i(texture_width,0);
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glEnd();
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// glFlush();
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glFinish();
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glXSwapBuffers( mydisplay,mywindow );
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}
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//static inline uint32_t draw_slice_x11(uint8_t *src[], uint32_t slice_num)
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static uint32_t draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
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{
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int i;
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int dstride=w*BYTES_PP;
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// dstride=(dstride+15)&(~15);
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yuv2rgb(ImageData, src[0], src[1], src[2],
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w,h, dstride, stride[0],stride[1]);
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// emms ();
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for(i=0;i<h;i++){
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glTexSubImage2D( GL_TEXTURE_2D, // target
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0, // level
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x, // x offset
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y+i, // y offset
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w, // width
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1, // height
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(BYTES_PP==4)?GL_RGBA:GL_RGB, // format
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GL_UNSIGNED_BYTE, // type
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ImageData+i*dstride ); // *pixels
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}
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return 0;
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}
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static inline uint32_t
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draw_frame_x11_yv12(uint8_t *src[])
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{
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int i;
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// printf("Converting YUV->RGB...\n");
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yuv2rgb(ImageData, src[0], src[1], src[2],
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image_width, image_height,
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image_width*BYTES_PP, image_width, image_width/2 );
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// printf("Ready!\n");
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// emms ();
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for(i=0;i<image_height;i++){
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glTexSubImage2D( GL_TEXTURE_2D, // target
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0, // level
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0, // x offset
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i, // y offset
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image_width, // width
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1, // height
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(BYTES_PP==4)?GL_RGBA:GL_RGB, // format
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GL_UNSIGNED_BYTE, // type
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ImageData+i*BYTES_PP*image_width ); // *pixels
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}
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// Display_Image(ImageData);
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return 0;
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}
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static inline uint32_t
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draw_frame_x11_bgr(uint8_t *src[])
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{
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int i;
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uint8_t *s=src[0];
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uint8_t *de=&ImageData[3*image_width];
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for(i=0;i<image_height;i++){
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int j;
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uint8_t *d=ImageData;
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while(d<de){
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d[0]=s[2];
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d[1]=s[1];
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d[2]=s[0];
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s+=3;d+=3;
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}
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glTexSubImage2D( GL_TEXTURE_2D, // target
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0, // level
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0, // x offset
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// image_height-1-i, // y offset
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i, // y offset
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image_width, // width
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1, // height
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(image_bytes==4)?GL_RGBA:GL_RGB, // format
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GL_UNSIGNED_BYTE, // type
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ImageData); // *pixels
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}
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// Display_Image(ImageData);
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return 0;
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}
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static inline uint32_t
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draw_frame_x11_rgb(uint8_t *src[])
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{
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int i;
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uint8_t *ImageData=src[0];
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for(i=0;i<image_height;i++){
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glTexSubImage2D( GL_TEXTURE_2D, // target
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0, // level
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0, // x offset
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// image_height-1-i, // y offset
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i, // y offset
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image_width, // width
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1, // height
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(image_bytes==4)?GL_RGBA:GL_RGB, // format
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GL_UNSIGNED_BYTE, // type
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ImageData+i*image_bytes*image_width ); // *pixels
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}
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// Display_Image(ImageData);
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return 0;
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}
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static uint32_t
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draw_frame(uint8_t *src[])
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{
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if(image_format==IMGFMT_YV12)
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return draw_frame_x11_yv12(src);
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else
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if((image_format&IMGFMT_RGB_MASK)==IMGFMT_RGB)
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return draw_frame_x11_rgb(src);
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else
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return draw_frame_x11_bgr(src);
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}
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static uint32_t
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query_format(uint32_t format)
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{
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switch(format){
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case IMGFMT_YV12:
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case IMGFMT_RGB|24:
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case IMGFMT_BGR|24:
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return 1;
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}
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return 0;
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}
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static void
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uninit(void)
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{
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}
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