Initial revision

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 152 insertions, 0 deletions

diff --git a/tvision.c b/tvision.c
new file mode 100644
index 0000000000..6c8da13a36
--- /dev/null
+++ b/tvision.c
@@ -0,0 +1,152 @@
+// testing only, not finished!!!!!!!
+
+// little TeleVision program by A'rpi/ESP-team
+// based on streamer-old.c video capture util (part of xawtv) by
+//     (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <math.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <ctype.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+#include <sys/ipc.h>
+#include <sys/wait.h>
+
+
+#include <asm/types.h>		/* XXX glibc */
+#include "videodev.h"
+
+#include "libvo/video_out.h"
+
+#define DEVNAME "/dev/video"
+
+static struct video_mmap        gb1,gb2;
+static struct video_capability  capability;
+static struct video_channel     channel;
+static struct video_mbuf        gb_buffers = { 2*0x151000, 0, {0,0x151000 }};
+static unsigned char            *map = NULL;
+
+
+int main(int argc,char* argv[]){
+vo_functions_t *video_out=NULL;
+char* video_driver=NULL; //"mga"; // default
+int i;
+int fd=-1;
+char* frame=NULL;
+int count=0;
+
+  if(argc>1) video_driver=argv[1];
+
+// check video_out driver name:
+  if(!video_driver)
+    video_out=video_out_drivers[0];
+  else
+  for (i=0; video_out_drivers[i] != NULL; i++){
+    const vo_info_t *info = video_out_drivers[i]->get_info ();
+    if(strcmp(info->short_name,video_driver) == 0){
+      video_out = video_out_drivers[i];break;
+    }
+  }
+  if(!video_out){
+    printf("Invalid video output driver name: %s\n",video_driver);
+    return 0;
+  }
+
+
+    /* open */
+    if (-1 == fd && -1 == (fd = open(DEVNAME,O_RDWR))) {
+	fprintf(stderr,"open %s: %s\n",DEVNAME,strerror(errno));
+	exit(1);
+    }
+
+    /* get settings */
+    if (-1 == ioctl(fd,VIDIOCGCAP,&capability)) {
+	perror("ioctl VIDIOCGCAP");
+	exit(1);
+    }
+    if (-1 == ioctl(fd,VIDIOCGCHAN,&channel))
+	perror("ioctl VIDIOCGCHAN");
+
+    /* mmap() buffer */
+    if (-1 == ioctl(fd,VIDIOCGMBUF,&gb_buffers)) {
+	perror("ioctl VIDIOCGMBUF");
+    }
+    map = mmap(0,gb_buffers.size,PROT_READ|PROT_WRITE,MAP_SHARED,fd,0);
+    if ((unsigned char*)-1 == map) {
+	perror("mmap");
+    } else {
+	    fprintf(stderr,"v4l: mmap()'ed buffer size = 0x%x\n",
+		    gb_buffers.size);
+    }
+
+    /* prepare for grabbing */
+    gb1.format = VIDEO_PALETTE_YUV422;
+//    gb1.format = VIDEO_PALETTE_RGB24;
+    gb1.frame  = 0;
+    gb1.width  = 352;//720;//640;//320;
+    gb1.height = 288;//576;//480;//240;
+
+    gb2.format = gb1.format;
+    gb2.frame  = 1;
+    gb2.width  = gb1.width;
+    gb2.height = gb1.height;
+
+    video_out->init(gb1.width,gb1.height,1024,768,0,0,IMGFMT_YUY2);
+//    video_out->init(gb1.width,gb1.height,1024,768,0,0,IMGFMT_RGB|24);
+
+    if (-1 == ioctl(fd,VIDIOCMCAPTURE,&gb1)) {
+	if (errno == EAGAIN)
+	    fprintf(stderr,"grabber chip can't sync (no station tuned in?)\n");
+	else
+	    perror("ioctl VIDIOCMCAPTURE");
+	exit(1);
+    }
+    count++;
+    while(1){
+    // MAIN LOOP
+	if (-1 == ioctl(fd,VIDIOCMCAPTURE,(count%2) ? &gb2 : &gb1)) {
+	    if (errno == EAGAIN)
+		fprintf(stderr,"grabber chip can't sync (no station tuned in?)\n");
+	    else
+		perror("ioctl VIDIOCMCAPTURE");
+	    exit(1);
+	}
+
+	if (-1 == ioctl(fd,VIDIOCSYNC,(count%2) ? &gb1.frame : &gb2.frame)) {
+	    perror("ioctl VIDIOCSYNC");
+	    exit(1);
+	}
+        frame=map + gb_buffers.offsets[(count%2) ? 0 : 1];
+        video_out->draw_frame((unsigned char**)&frame);
+        video_out->flip_page();
+        
+        count++;
+    }
+    
+#if 0
+    { FILE *f=fopen("frame.yuv","wb");
+      fwrite(map,320*240*2,1,f);
+      fclose(f);
+    }
+    video_out->init(320,240,800,600,0,0,IMGFMT_YUY2);
+    video_out->draw_frame(count?map1:map2);
+    video_out->flip_page();
+    
+    getchar();
+#endif
+
+
+
+}
+