From c8863c0b9719b8dd511782494bebe85e802be45c Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Sat, 15 Feb 2003 21:59:49 +0000
Subject: [PATCH] -

---
 dfb_api.c | 151 +++++++++++++++++++++++++++---------------------------
 1 file changed, 76 insertions(+), 75 deletions(-)

diff --git a/dfb_api.c b/dfb_api.c
index 56534e3..fbc67fb 100644
--- a/dfb_api.c
+++ b/dfb_api.c
@@ -4,6 +4,7 @@
 
 /* std includes */
 #include <stdio.h>
+#include <string.h>
 #include <unistd.h>
 
 /* dfb includes */
@@ -14,86 +15,86 @@
 /* global stuff */
 
 /* well ... */
-static IDirectFB *dfb = NULL;
-static IDirectFBSurface *primary = NULL;
-static int screen_width  = 0;
-static int screen_height = 0;
+IDirectFB *dfb = NULL;
 
-static IDirectFBSurface *logo = NULL;
+IDirectFBSurface *primary = NULL;
+IDirectFBSurface *logo = NULL;
+IDirectFBSurface *subsurface = NULL;
+IDirectFBSurface *window = NULL;
 
-static IDirectFBFont *font = NULL;
-static char *text_top="Internet Video / Audio Conferencing";
+IDirectFBImageProvider *image_provider = NULL;
+IDirectFBVideoProvider *video_provider = NULL;
 
-/* image to load */
+static int screen_width  = 0;
+static int screen_height = 0;
+
+char dfb_video_dev[]="/dev/video";
+char text_top[]="Internet Video / Audio Conferencing";
 char dfb_image[]="./images/ivac_logo.png";
-/* font to use */
 char dfb_font[]="./fonts/decker.ttf";
 
-int main (int argc, char **argv) {
-  int i,font_width;
-  DFBFontDescription font_dsc;
-  DFBSurfaceDescription dsc;
-  /* image provider */
-  IDirectFBImageProvider *provider;
-
-  /* init */
-  DirectFBInit(&argc,&argv);
-  DirectFBCreate(&dfb);
-  dfb->SetCooperativeLevel(dfb, DFSCL_FULLSCREEN);
-  dsc.flags=DSDESC_CAPS;
-  // dsc.caps=DSCAPS_PRIMARY | DSCAPS_FLIPPING;
-  dsc.caps=DSCAPS_PRIMARY;
-  dfb->CreateSurface(dfb,&dsc,&primary);
-  primary->GetSize(primary,&screen_width,&screen_height);
-  printf("debug: w/h = %d / %d\n",screen_width,screen_height);
-
-  /* create the imag provider */
-  dfb->CreateImageProvider(dfb,dfb_image,&provider);
-  /* get image/provider description */
-  provider->GetSurfaceDescription(provider,&dsc);
-  printf("debug: w/h %d / %d\n",dsc.width,dsc.height);
-  /* create apropriate surface */
-  dfb->CreateSurface(dfb,&dsc,&logo);
-  /* render image */
-  provider->RenderTo(provider,logo,NULL);
-  provider->Release(provider);
-
-  /* create font */
-  font_dsc.flags=DFDESC_HEIGHT;
-  font_dsc.height=MY_FONT_HEIGHT;
-  dfb->CreateFont(dfb,dfb_font,&font_dsc,&font);
-
-  /* set font */
-  primary->SetFont(primary,font);
-  font->GetStringWidth(font,text_top,-1,&font_width);
-
-
-  /* slide logo + write text_top */
-  for(i = -dsc.width; i < screen_width; i++) {
-      /* clear screen */
-      primary->FillRectangle(primary,0,0,screen_width,screen_height);
-
-      /* write text */
-      primary->SetColor(primary,0x0,0x0,0x0,0xff);
-      primary->DrawString(primary,text_top,-1,(screen_width/2)-(font_width/2),
-				screen_height/4,DSTF_LEFT);
-
-      /* blit image */
-      primary->Blit(primary,logo,NULL,i,(screen_height-dsc.height)/2);
-
-      /* flip */
-      primary->Flip(primary,NULL,DSFLIP_WAITFORSYNC);
-   }
-
-  /* release font */
-  font->Release(font);
-
-  /* release image */
-  logo->Release(logo);
-
-  primary->Release(primary);
-  dfb->Release(dfb);
-  
-  return 23;
+/* small api */
+int dfb_init(int *argc,char **argv) {
+ DirectFBInit(argc,&argv);
+ DirectFBCreate(&dfb);
+ dfb->SetCooperativeLevel(dfb,DFSCL_FULLSCREEN);
+ return 1;
+}
+
+int check_accel(void) {
+ DFBCardCapabilities caps;
+ dfb->GetCardCapabilities(dfb,&caps);
+ return (caps.acceleration_mask);
+}
+
+int create_primary_surface(void) {
+ DFBSurfaceDescription desc;
+ memset(&desc,0,sizeof(DFBSurfaceDescription));
+ desc.flags=DSDESC_CAPS;
+ desc.caps=DSCAPS_PRIMARY;
+ dfb->CreateSurface(dfb,&desc,&primary);
+ return 1;
+}
+
+int create_image_provider(IDirectFBSurface *surface) {
+ dfb->CreateImageProvider(dfb,dfb_image,&image_provider);
+ image_provider->RenderTo(image_provider,surface,NULL);
+ image_provider->Release(image_provider);
+ return 1;
+}
+
+int create_video_provider(IDirectFBSurface *surface) {
+ dfb->CreateVideoProvider(dfb,dfb_video_dev,&video_provider);
+ video_provider->PlayTo(video_provider,surface,NULL,NULL,NULL);
+ // video_provider->Release(video_provider);
+ return 1;
 }
 
+int release_surface(IDirectFBSurface *surface) {
+ surface->Release(surface);
+ return 1;
+}
+
+int release_dfb(void) {
+ dfb->Release(dfb);
+ return 1;
+}
+
+
+/* test api app */
+int main (int argc, char **argv) {
+
+ dfb_init(&argc,argv);
+
+ check_accel();
+
+ create_primary_surface();
+
+ create_image_provider(primary);
+
+ sleep(5);
+
+ release_surface(primary);
+
+ return 1;
+}
-- 
2.20.1