#define DISP /* * video_out_dga.c, X11 interface * * * Copyright ( C ) 2001, Andreas Ackermann. All Rights Reserved. * * * * Sourceforge username: acki2 * * note well: * * o this is alpha * o covers only common video card formats * o works only on intel architectures * */ #include #include #include //#include "linux/keycodes.h" #include "config.h" #include "video_out.h" #include "video_out_internal.h" #include "yuv2rgb.h" LIBVO_EXTERN( dga ) #include #include #include "x11_common.h" static vo_info_t vo_info = { "DGA ( Direct Graphic Access )", "dga", "Andreas Ackermann ", "" }; static int vo_dga_width; // bytes per line in framebuffer static int vo_dga_vp_width; // visible pixels per line in framebuffer static int vo_dga_vp_height; // visible lines in framebuffer static int vo_dga_is_running = 0; static int vo_dga_src_width; // width of video in pixels static int vo_dga_src_height; // height of video in pixels static int vo_dga_bpp; // bytes per pixel in framebuffer static int vo_dga_src_offset=0; // offset in src static int vo_dga_vp_offset=0; // offset in dest static int vo_dga_bytes_per_line; // longwords per line to copy static int vo_dga_src_skip; // bytes to skip after copying one line // (not supported yet) in src static int vo_dga_vp_skip; // dto. for dest static int vo_dga_lines; // num of lines to copy static int vo_dga_src_format; static unsigned char *vo_dga_base; static Display *vo_dga_dpy; //--------------------------------------------------------- // I had tried to work with mmx/3dnow copy code but // there was not much speed gain and I didn't know // how to save the FPU/mmx registers - so the copy // code interferred with sound output ... // removed the leftovers // acki2 on 30/3/2001 #define rep_movsl(dest, src, numwords, d_add, count) \ __asm__ __volatile__( \ " \ xfer: \n\t\ movl %%edx, %%ecx \n\t \ cld\n\t \ rep\n\t \ movsl \n\t\ add %%eax, %%edi \n\t\ dec %%ebx \n\t\ jnz xfer \n\t\ " \ : \ : "a" (d_add), "b" (count), "S" (src), "D" (dest), \ "d" (numwords) \ : "memory" ) //--------------------------------------------------------- static uint32_t draw_frame( uint8_t *src[] ){ int vp_skip = vo_dga_vp_skip; int lpl = vo_dga_bytes_per_line >> 2; int numlines = vo_dga_lines; char *s, *d; if( vo_dga_src_format==IMGFMT_YV12 ){ // We'll never reach this point, because YV12 codecs always // calls draw_slice printf("vo_dga: draw_frame() doesn't support IMGFMT_YV12 (yet?)\n"); }else{ s = *src; d = (&((char *)vo_dga_base)[vo_dga_vp_offset]); rep_movsl(d, s, lpl, vo_dga_vp_skip, numlines ); } return 0; } //--------------------------------------------------------- static void check_events(void) { int e=vo_x11_check_events(vo_dga_dpy); } //--------------------------------------------------------- static void flip_page( void ){ check_events(); } //--------------------------------------------------------- static uint32_t draw_slice( uint8_t *src[],int stride[], int w,int h,int x,int y ) { yuv2rgb( vo_dga_base + vo_dga_vp_offset + (vo_dga_width * y +x) * vo_dga_bpp, src[0], src[1], src[2], w,h, vo_dga_width * vo_dga_bpp, stride[0],stride[1] ); return 0; }; //--------------------------------------------------------- static void Terminate_Display_Process( void ){ printf("vo_dga: Terminating display process\n"); } //--------------------------------------------------------- static const vo_info_t* get_info( void ) { return &vo_info; } //--------------------------------------------------------- static uint32_t query_format( uint32_t format ) { printf("vo_dga: query_format\n"); if( !vo_init() ) return 0; // Can't open X11 printf("Format: %lx\n", format); if( format==IMGFMT_YV12 ) return 1; if( ( format&IMGFMT_BGR_MASK )==IMGFMT_BGR && ( format&0xFF )==vo_depthonscreen ) return 1; return 0; } //--------------------------------------------------------- static void uninit(void) { vo_dga_is_running = 0; printf("vo_dga: in uninit\n"); XUngrabPointer (vo_dga_dpy, CurrentTime); XUngrabKeyboard (vo_dga_dpy, CurrentTime); XF86DGADirectVideo (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), 0); XCloseDisplay(vo_dga_dpy); } //--------------------------------------------------------- static uint32_t init( uint32_t width, uint32_t height, uint32_t d_width,uint32_t d_height, uint32_t fullscreen,char *title,uint32_t format ) { int bank, ram; int x_off, y_off; #ifdef HAVE_DGA2 // needed to change DGA video mode int modecount,mX, mY, mVBI, i,j; int X,Y; XDGAMode *modelines=NULL; XDGADevice *dgadevice; #endif if( vo_dga_is_running )return -1; if( !vo_init() ){ printf("vo_dga: vo_init() failed!\n"); return 0; } if((vo_dga_dpy = XOpenDisplay(0))==NULL) { printf ("vo_dga: Can't open display\n"); return 1; } #ifdef HAVE_DGA2 // Code to change the video mode added by Michael Graffam // mgraffam@idsi.net if (modelines==NULL) modelines=XDGAQueryModes(vo_dga_dpy, XDefaultScreen(vo_dga_dpy),&modecount); mX=modelines[0].imageWidth; mY=modelines[0].imageHeight; mVBI = modelines[0].verticalRefresh; X=d_width; Y=d_height; printf("vo_dga: Using DGA 2.0 mode changing support\n"); j=0; // offbyone-error !!! i<=modecount is WRONG !!! for (i=1; i= X) && (modelines[i].viewportHeight >= Y) && ( // prefer a better resolution either in X or in Y // as long as the other dimension is at least the same // // hmm ... MAYBE it would be more clever to focus on the // x-resolution; I had 712x400 and 640x480 and the movie // was 640x360; 640x480 would be the 'right thing' here // but since 712x400 was queried first I got this one. // I think there should be a cmd-line switch to let the // user choose the mode he likes ... (acki2) ( ((modelines[i].viewportWidth < mX) && !(modelines[i].viewportHeight > mY)) || ((modelines[i].viewportHeight < mY) && !(modelines[i].viewportWidth > mX)) ) // but if we get an identical resolution choose // the one with the lower refreshrate (saves bandwidth !!!) // as long as it's above 50 Hz (acki2 on 30/3/2001) || ( (modelines[i].viewportWidth == mX) && (modelines[i].viewportHeight == mY) && ( ( modelines[i].verticalRefresh >= mVBI && mVBI < 50 ) || ( mVBI >= 50 && modelines[i].verticalRefresh < mVBI && modelines[i].verticalRefresh >= 50 ) ) ) ) ) { mX=modelines[i].viewportWidth; mY=modelines[i].viewportHeight; mVBI = modelines[i].verticalRefresh; j=i; printf(".ok!!\n"); }else{ printf(".no\n"); } } } X=(modelines[j].imageWidth-mX)/2; Y=(modelines[j].imageHeight-mY)/2; printf("vo_dga: Selected video mode %4d x %4d @ %3d Hz for image size %3d x %3d.\n", mX, mY, mVBI, width, height); XF86DGASetViewPort (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), X,Y); dgadevice=XDGASetMode(vo_dga_dpy, XDefaultScreen(vo_dga_dpy), modelines[j].num); XDGASync(vo_dga_dpy, XDefaultScreen(vo_dga_dpy)); XFree(modelines); XFree(dgadevice); // end mode change code #else printf("vo_dga: DGA 1.0 compatibility code\n"); #endif XF86DGAGetViewPortSize(vo_dga_dpy,XDefaultScreen(vo_dga_dpy), &vo_dga_vp_width, &vo_dga_vp_height); XF86DGAGetVideo (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), (char **)&vo_dga_base, &vo_dga_width, &bank, &ram); #ifndef HAVE_DGA2 XF86DGASetViewPort (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), 0, 0); #endif // do some more checkings here ... if( format==IMGFMT_YV12 ) yuv2rgb_init( vo_depthonscreen, MODE_RGB ); vo_dga_src_format = format; vo_dga_src_width = width; vo_dga_src_height = height; vo_dga_bpp = (vo_depthonscreen+7) >> 3; printf("vo_dga: bytes/line: %d, screen res: %dx%d, depth: %d, base: %08x, bpp: %d\n", vo_dga_width, vo_dga_vp_width, vo_dga_vp_height, vo_depthonscreen, vo_dga_base, vo_dga_bpp); printf("vo_dga: video res: %dx%d\n", vo_dga_src_width, vo_dga_src_height); if(vo_dga_src_width > vo_dga_vp_width || vo_dga_src_height > vo_dga_vp_height){ printf("vo_dga: Sorry, video larger than viewport is not yet supported!\n"); // ugly, do something nicer in the future ... return 1; } x_off = (vo_dga_vp_width - vo_dga_src_width)>>1; y_off = (vo_dga_vp_height - vo_dga_src_height)>>1; vo_dga_bytes_per_line = vo_dga_src_width * vo_dga_bpp; // todo vo_dga_lines = vo_dga_src_height; // todo vo_dga_src_offset = 0; vo_dga_vp_offset = (y_off * vo_dga_width + x_off ) * vo_dga_bpp; vo_dga_vp_skip = (vo_dga_width - vo_dga_src_width) * vo_dga_bpp; // todo printf("vo_dga: vp_off=%d, vp_skip=%d, bpl=%d\n", vo_dga_vp_offset, vo_dga_vp_skip, vo_dga_bytes_per_line); XF86DGADirectVideo (vo_dga_dpy, XDefaultScreen(vo_dga_dpy), XF86DGADirectGraphics | XF86DGADirectMouse | XF86DGADirectKeyb); XGrabKeyboard (vo_dga_dpy, DefaultRootWindow(vo_dga_dpy), True, GrabModeAsync,GrabModeAsync, CurrentTime); XGrabPointer (vo_dga_dpy, DefaultRootWindow(vo_dga_dpy), True, ButtonPressMask,GrabModeAsync, GrabModeAsync, None, None, CurrentTime); // now clear screen memset(vo_dga_base, 0, vo_dga_width * vo_dga_vp_height * vo_dga_bpp); vo_dga_is_running = 1; return 0; } //--------------------------------------------------------- // deleted the old vo_dga_query_event() routine 'cause it is obsolete // since using check_events() // acki2 on 30/3/2001