-

[my-code/ivac.git] / dfb_api.c

diff --git a/dfb_api.c b/dfb_api.c
index 00bc88c..6f28b59 100644 (file)
--- a/dfb_api.c
+++ b/dfb_api.c
@@ -10,6 +10,8 @@
 /* dfb includes */
 #include <directfb.h>
 
+#include "dfb_api.h"
+
 #define MY_FONT_HEIGHT 18
 
 /* global stuff */
@@ -28,12 +30,16 @@ IDirectFBVideoProvider *video_provider = NULL;
 int screen_width  = 0;
 int screen_height = 0;
 
-char dfb_video_dev[]="/dev/v4l/video0";
+char dfb_video_dev[]=VIDEO_DEV;
 char text_top[]="Internet Video / Audio Conferencing";
 char dfb_image[]="./images/ivac_logo.png";
 char dfb_font[]="./fonts/decker.ttf";
 
-/* small api - directfb usage kinda sux: foo->bar(foo,...) wtf?!?!?! */
+/* variable definitions */
+// struct user_info {
+ 
+
+/* functions */
 
 int dfb_init(int *argc,char **argv) {
  DirectFBInit(argc,&argv);
@@ -52,7 +58,7 @@ int create_primary_surface(void) {
  DFBSurfaceDescription desc;
  memset(&desc,0,sizeof(DFBSurfaceDescription));
  desc.flags=DSDESC_CAPS;
- desc.caps=DSCAPS_PRIMARY;
+ desc.caps=DSCAPS_PRIMARY|DSCAPS_FLIPPING;
  dfb->CreateSurface(dfb,&desc,&primary);
  return 1;
 }
@@ -82,16 +88,21 @@ int create_logo_surface(void) {
  image_provider->Release(image_provider);
  return 1;
 }
- 
+
 int create_video_surface(void) {
+ float q;
  DFBSurfaceDescription desc;
  DFBVideoProviderCapabilities caps;
  dfb->CreateVideoProvider(dfb,dfb_video_dev,&video_provider);
  video_provider->GetSurfaceDescription(video_provider,&desc);
+ q=(((float)screen_height/desc.height>=(float)screen_width/desc.width)?
+  (float)screen_height/desc.height:(float)screen_width/desc.width);
+ desc.width=(int)(screen_width/q);
+ desc.height=(int)(screen_height/q);
  video_provider->GetCapabilities(video_provider,&caps);
  printf("video capabilities: %x\n",caps);
  dfb->CreateSurface(dfb,&desc,&video);
- video_provider->PlayTo(video_provider,video,NULL,NULL,NULL);
+ video_provider->PlayTo(video_provider,video,NULL,video_callback,NULL);
  video_provider->Release(video_provider);
  return 1;
 }
@@ -111,6 +122,38 @@ int release_dfb(void) {
  return 1;
 }
 
+int blit_surface(IDirectFBSurface *source,int x,int y) {
+ primary->Blit(primary,source,NULL,x,y);
+ return 1;
+}
+
+int blit_logo(void) {
+ int x,y;
+ get_surface_size(logo,&x,&y);
+ printf("size of logo width/height: %d/%d\n",x,y);
+ blit_surface(logo,((screen_width-x)/2),((screen_height-y)/2));
+ return 1;
+}
+
+int blit_video(void) {
+ int x,y;
+ get_surface_size(video,&x,&y);
+ printf("size of logo width/height: %d/%d\n",x,y);
+ // blit_surface(video,((screen_width-x)/2),((screen_height-y)/2));
+ blit_surface(video,0,0);
+ return 1;
+}
+
+int flip_it(void) {
+ primary->Flip(primary,NULL,DSFLIP_WAITFORSYNC);
+ return 1;
+}
+
+DVFrameCallback video_callback(void) {
+ puts("callback flip");
+ flip_it;
+ return DFENUM_OK;
+}
 
 /* test api app */
 int main (int argc, char **argv) {
@@ -120,20 +163,29 @@ int main (int argc, char **argv) {
  check_accel();
 
  create_primary_surface();
- printf("primary surface created\n");
 
  // create_video_surface();
  create_logo_surface();
 
  get_primary_surface_size();
+ printf("primary surface width/height: %d/%d\n",screen_width,screen_height);
 
  clear_screen(primary);
 
- // primary->Flip(primary,NULL,DSFLIP_WAITFORSYNC);
+ puts("main: blit video");
+ // blit_video();
+ blit_logo();
+
+ // puts("main: flip");
+ flip_it();
 
- sleep(5);
+ sleep(10);
+
+ release_surface(logo);
 
  release_surface(primary);
 
+ release_dfb();
+
  return 1;
 }