Hey, not everyone has usleep() ! (temporary fix, we should check for this in configure)

Originally committed as revision 1343 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/img.c

@@ -17,6 +17,9 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 #include <unistd.h>
+#ifdef __BEOS__
+# include <OS.h>
+#endif
 #include "avformat.h"
 
 extern AVInputFormat pgm_iformat;
@@ -207,7 +210,11 @@ static int img_read_packet(AVFormatContext *s1, AVPacket *pkt)
             pts = ((INT64)s->img_number * FRAME_RATE_BASE * 1000000) / (s1->streams[0]->codec.frame_rate);
 
             if (pts > nowus)
+#ifdef __BEOS__
+                snooze((bigtime_t)(pts - nowus));
+#else
                 usleep(pts - nowus);
+#endif
         }
     }