diff --git a/libavformat/img.c b/libavformat/img.c
index 189ef6e239e9dc9a0cb098a658c8009a3e7744b4..838db9a2ef1aa570e92ecf355ea6b01f947c1a2e 100644
--- a/libavformat/img.c
+++ b/libavformat/img.c
@@ -38,6 +38,11 @@ extern AVInputFormat ppmpipe_iformat;
 extern AVOutputFormat ppmpipe_oformat;
 extern AVOutputFormat yuv4mpegpipe_oformat;
 
+#ifdef __MINGW32__
+#  include <windows.h>
+#  define usleep(t)	Sleep((t) / 1000)
+#endif
+
 #define IMGFMT_YUV     1
 #define IMGFMT_PGMYUV  2
 #define IMGFMT_PGM     3
diff --git a/libavformat/utils.c b/libavformat/utils.c
index d36df449b4bf7d2534343c9d05027b2a4ec83591..e5159495df596e2c9bfa0483092b133487e7bbcc 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -354,12 +354,14 @@ int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
     }
         
     /* XXX: suppress this hack for redirectors */
+#ifndef __MINGW32__
     if (fmt == &redir_demux) {
         err = redir_open(ic_ptr, &ic->pb);
         url_fclose(&ic->pb);
         av_free(ic);
         return err;
     }
+#endif
 
     ic->iformat = fmt;