[Ffmpeg-cvslog] CVS: ffmpeg/libavformat v4l2.c,1.1,1.2

[Alex Beregszaszi]

Update of /cvsroot/ffmpeg/ffmpeg/libavformat
In directory mail:/var2/tmp/cvs-serv12523

Modified Files:
	v4l2.c 
Log Message:
print a hint when trying V4L2 on V4L device

Index: v4l2.c
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/libavformat/v4l2.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- v4l2.c	1 Feb 2006 11:31:33 -0000	1.1
+++ v4l2.c	26 Feb 2006 13:22:32 -0000	1.2
@@ -122,6 +122,13 @@
     }
 
     res = ioctl(fd, VIDIOC_QUERYCAP, &cap);
+    // ENOIOCTLCMD definition only availble on __KERNEL__
+    if (res < 0 && errno == 515)
+    {
+        av_log(NULL, AV_LOG_ERROR, "QUERYCAP not implemented, probably V4L device but not supporting V4L2\n");
+
+        return -1;
+    }
     if (res < 0) {
         av_log(NULL, AV_LOG_ERROR, "ioctl(VIDIOC_QUERYCAP): %s\n",
                  strerror(errno));