Update of /cvsroot/mplayer/main/TOOLS/bmovl-test In directory mail:/var/tmp.root/cvs-serv28423 Added Files: Makefile bmovl-test.c Log Message: sample client for -vop bmovl -- loads and alphablend any PNG file --- NEW FILE --- bmovl-test: bmovl-test.c gcc -O3 -I/usr/local/include/SDL -L/usr/local/lib -lSDL_image -o bmovl-test bmovl-test.c --- NEW FILE --- /* Small program to test the features of vf_bmovl */ #include <unistd.h> #include <fcntl.h> #include <SDL.h> #include <SDL_image.h> #define DEBUG 0 static void blit(int fifo, unsigned char *bitmap, int width, int height, int xpos, int ypos, int alpha, int clear) { char str[100]; int nbytes; sprintf(str, "RGBA32 %d %d %d %d %d %d\n", width, height, xpos, ypos, alpha, clear); if(DEBUG) printf("Sending %s", str); write(fifo, str, strlen(str)); nbytes = write(fifo, bitmap, width*height*4); if(DEBUG) printf("Sent %d bytes of bitmap data...\n", nbytes); } static void set_alpha(int fifo, int width, int height, int xpos, int ypos, int alpha) { char str[100]; sprintf(str, "ALPHA %d %d %d %d %d\n", width, height, xpos, ypos, alpha); if(DEBUG) printf("Sending %s", str); write(fifo, str, strlen(str)); } static void paint(unsigned char* bitmap, int size, int red, int green, int blue, int alpha) { int i; for(i=0; i < size; i+=4) { bitmap[i+0] = red; bitmap[i+1] = green; bitmap[i+2] = blue; bitmap[i+3] = alpha; } } int main(int argc, char **argv) { int fifo=-1; int width=0, height=0, xpos=0, ypos=0, alpha=0, clear=0; unsigned char *bitmap; SDL_Surface *image; int i; if(argc<3) { printf("Usage: %s <bmovl fifo> <image file> <width> <height>\n", argv[0]); printf("width and height are w/h of MPlayer's screen!\n"); exit(10); } width = atoi(argv[3]); height = atoi(argv[4]); fifo = open( argv[1], O_RDWR ); if(!fifo) { fprintf(stderr, "Error opening FIFO %s!\n", argv[1]); exit(10); } image = IMG_Load(argv[2]); if(!image) { fprintf(stderr, "Couldn't load image %s!\n", argv[2]); exit(10); } printf("Loaded image %s: width=%d, height=%d\n", argv[2], image->w, image->h); // Display and move image for(i=0; (i < (width - image->w)) && (i < (height - image->h)); i += 5) blit(fifo, image->pixels, image->w, image->h, i, i, 0, 1); // Create a 75x75 bitmap bitmap = (unsigned char*)malloc(75*75*4); // Paint bitmap red, 50% transparent and blit at position 50,50 paint(bitmap, (75*75*4), 255, 0, 0, 128); blit(fifo, bitmap, 75, 75, 50, 50, 0, 0); // Paint bitmap green, 50% transparent and blit at position -50,50 paint(bitmap, (75*75*4), 0, 255, 0, 128); blit(fifo, bitmap, 75, 75, width-50-75, 50, 0, 0); // Paint bitmap green, 50% transparent and blit at position -50,50 paint(bitmap, (75*75*4), 0, 0, 255, 128); blit(fifo, bitmap, 75, 75, 50, height-50-75, 0, 0); // Blit another image in the middle, completly transparent blit(fifo, image->pixels, image->w, image->h, (width/2)-(image->w/2), (height/2)-(image->h/2), -255, 0); // Fade in image for(i=-255; i <= 0; i++) set_alpha(fifo, image->w, image->h, (width/2)-(image->w/2), (height/2)-(image->h/2), i); // Clean up free(bitmap); SDL_FreeSurface(image); }