diff --git a/libav/Makefile b/libav/Makefile
index ac25e49622..f422ae1415 100644
--- a/libav/Makefile
+++ b/libav/Makefile
@@ -4,7 +4,11 @@ CFLAGS= $(OPTFLAGS) -Wall -g -I../libavcodec -DHAVE_AV_CONFIG_H
 OBJS= rm.o mpeg.o asf.o avienc.o jpegenc.o swf.o wav.o raw.o \
 	 avidec.o ffm.o \
 	 avio.o aviobuf.o utils.o \
-	 udp.o http.o file.o grab.o audio.o img.o
+	 udp.o http.o file.o img.o
+
+ifeq ($(CONFIG_GRAB),yes)
+OBJS+= grab.o audio.o 
+endif
 
 LIB= libav.a
 
diff --git a/libav/asf.c b/libav/asf.c
index 0306ed37c9..a447b14057 100644
--- a/libav/asf.c
+++ b/libav/asf.c
@@ -16,10 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
 #include "avformat.h"
 #include "avi.h"
 
@@ -202,8 +198,8 @@ static INT64 unix_to_file_time(int ti)
 {
     INT64 t;
     
-    t = ti * 10000000LL;
-    t += 116444736000000000LL;
+    t = ti * INT64_C(10000000);
+    t += INT64_C(116444736000000000);
     return t;
 }
 
@@ -535,13 +531,13 @@ static int asf_write_packet(AVFormatContext *s, int stream_index,
     if (codec->codec_type == CODEC_TYPE_AUDIO) {
         timestamp = (int)((float)codec->frame_number * codec->frame_size * 1000.0 / 
                           codec->sample_rate);
-        duration = (codec->frame_number * codec->frame_size * 10000000LL) / 
+        duration = (codec->frame_number * codec->frame_size * INT64_C(10000000)) / 
             codec->sample_rate;
     } else {
         timestamp = (int)((float)codec->frame_number * 1000.0 * FRAME_RATE_BASE / 
                           codec->frame_rate);
         duration = codec->frame_number * 
-            ((10000000LL * FRAME_RATE_BASE) / codec->frame_rate);
+            ((INT64_C(10000000) * FRAME_RATE_BASE) / codec->frame_rate);
     }
     if (duration > asf->duration)
         asf->duration = duration;
@@ -553,7 +549,7 @@ static int asf_write_packet(AVFormatContext *s, int stream_index,
 static int asf_write_trailer(AVFormatContext *s)
 {
     ASFContext *asf = s->priv_data;
-    long long file_size;
+    INT64 file_size;
 
     /* flush the current packet */
     if (asf->pb.buf_ptr > asf->pb.buffer)
@@ -920,7 +916,7 @@ static int asf_read_packet(AVFormatContext *s, AVPacket *pkt)
                 break;
             }
         }
-    next_frame:
+    next_frame:;
     }
 
     return 0;
diff --git a/libav/audio.c b/libav/audio.c
index df5d88eaf6..4ff54bf4d2 100644
--- a/libav/audio.c
+++ b/libav/audio.c
@@ -16,6 +16,8 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
+#include "avformat.h"
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -24,11 +26,8 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
-#include <errno.h>
 #include <sys/time.h>
 
-#include "avformat.h"
-
 const char *audio_device = "/dev/dsp";
 
 typedef struct {
diff --git a/libav/avformat.h b/libav/avformat.h
index 1f0e7eac8f..f6be87a6d5 100644
--- a/libav/avformat.h
+++ b/libav/avformat.h
@@ -1,8 +1,6 @@
 
 #include "avcodec.h"
 
-#define FFMPEG_VERSION "0.4.5"
-
 #include "avio.h"
 
 /* packet functions */
diff --git a/libav/avidec.c b/libav/avidec.c
index ec90565feb..342bfd0f07 100644
--- a/libav/avidec.c
+++ b/libav/avidec.c
@@ -16,12 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <errno.h>
-
 #include "avformat.h"
 #include "avi.h"
 
@@ -157,7 +151,7 @@ int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
                     st->codec.width = get_le32(pb);
                     st->codec.height = get_le32(pb);
                     if (frame_period)
-                        st->codec.frame_rate = (1000000LL * FRAME_RATE_BASE) / frame_period;
+                        st->codec.frame_rate = (INT64_C(1000000) * FRAME_RATE_BASE) / frame_period;
                     else
                         st->codec.frame_rate = 25 * FRAME_RATE_BASE;
                     get_le16(pb); /* panes */
diff --git a/libav/avienc.c b/libav/avienc.c
index a580e53098..ffd581bc8b 100644
--- a/libav/avienc.c
+++ b/libav/avienc.c
@@ -16,11 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <netinet/in.h>
-#include <string.h>
-
 #include "avformat.h"
 #include "avi.h"
 
@@ -53,7 +48,7 @@ void end_tag(ByteIOContext *pb, offset_t start)
 
     pos = url_ftell(pb);
     url_fseek(pb, start - 4, SEEK_SET);
-    put_le32(pb, pos - start);
+    put_le32(pb, (UINT32)(pos - start));
     url_fseek(pb, pos, SEEK_SET);
 }
 
@@ -179,7 +174,7 @@ static int avi_write_header(AVFormatContext *s)
     }
     nb_frames = 0;
 
-    put_le32(pb, 1000000LL * FRAME_RATE_BASE / video_enc->frame_rate);
+    put_le32(pb, (UINT32)(INT64_C(1000000) * FRAME_RATE_BASE / video_enc->frame_rate));
     put_le32(pb, bitrate / 8); /* XXX: not quite exact */
     put_le32(pb, 0); /* padding */
     put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
@@ -340,7 +335,7 @@ static int avi_write_trailer(AVFormatContext *s)
         /* update file size */
         file_size = url_ftell(pb);
         url_fseek(pb, 4, SEEK_SET);
-        put_le32(pb, file_size - 8);
+        put_le32(pb, (UINT32)(file_size - 8));
         url_fseek(pb, file_size, SEEK_SET);
     }
     put_flush_packet(pb);
diff --git a/libav/avio.c b/libav/avio.c
index 243f76f379..5e16456a80 100644
--- a/libav/avio.c
+++ b/libav/avio.c
@@ -16,11 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-
 #include "avformat.h"
 
 URLProtocol *first_protocol = NULL;
diff --git a/libav/avio.h b/libav/avio.h
index a3e11b61aa..7d67171237 100644
--- a/libav/avio.h
+++ b/libav/avio.h
@@ -1,6 +1,6 @@
 /* output byte stream handling */
 
-typedef long long offset_t;
+typedef INT64 offset_t;
 
 /* unbuffered I/O */
 
@@ -87,8 +87,8 @@ int init_put_byte(ByteIOContext *s,
 
 void put_byte(ByteIOContext *s, int b);
 void put_buffer(ByteIOContext *s, unsigned char *buf, int size);
-void put_le64(ByteIOContext *s, unsigned long long val);
-void put_be64(ByteIOContext *s, unsigned long long val);
+void put_le64(ByteIOContext *s, UINT64 val);
+void put_be64(ByteIOContext *s, UINT64 val);
 void put_le32(ByteIOContext *s, unsigned int val);
 void put_be32(ByteIOContext *s, unsigned int val);
 void put_le16(ByteIOContext *s, unsigned int val);
@@ -105,12 +105,12 @@ void put_flush_packet(ByteIOContext *s);
 int get_buffer(ByteIOContext *s, unsigned char *buf, int size);
 int get_byte(ByteIOContext *s);
 unsigned int get_le32(ByteIOContext *s);
-unsigned long long get_le64(ByteIOContext *s);
+UINT64 get_le64(ByteIOContext *s);
 unsigned int get_le16(ByteIOContext *s);
 
 unsigned int get_be16(ByteIOContext *s);
 unsigned int get_be32(ByteIOContext *s);
-unsigned long long get_be64(ByteIOContext *s);
+UINT64 get_be64(ByteIOContext *s);
 
 extern inline int url_is_streamed(ByteIOContext *s)
 {
diff --git a/libav/aviobuf.c b/libav/aviobuf.c
index c50629e067..242848e3e0 100644
--- a/libav/aviobuf.c
+++ b/libav/aviobuf.c
@@ -16,17 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <getopt.h>
-#include <string.h>
-
 #include "avformat.h"
 
 #define IO_BUFFER_SIZE 32768
@@ -186,16 +175,16 @@ void put_be32(ByteIOContext *s, unsigned int val)
     put_byte(s, val);
 }
 
-void put_le64(ByteIOContext *s, unsigned long long val)
+void put_le64(ByteIOContext *s, UINT64 val)
 {
-    put_le32(s, val & 0xffffffff);
-    put_le32(s, val >> 32);
+    put_le32(s, (UINT32)(val & 0xffffffff));
+    put_le32(s, (UINT32)(val >> 32));
 }
 
-void put_be64(ByteIOContext *s, unsigned long long val)
+void put_be64(ByteIOContext *s, UINT64 val)
 {
-    put_be32(s, val >> 32);
-    put_be32(s, val & 0xffffffff);
+    put_be32(s, (UINT32)(val >> 32));
+    put_be32(s, (UINT32)(val & 0xffffffff));
 }
 
 void put_le16(ByteIOContext *s, unsigned int val)
@@ -287,7 +276,7 @@ unsigned int get_le32(ByteIOContext *s)
     return val;
 }
 
-unsigned long long get_le64(ByteIOContext *s)
+UINT64 get_le64(ByteIOContext *s)
 {
     UINT64 val;
     val = (UINT64)get_le32(s);
@@ -313,7 +302,7 @@ unsigned int get_be32(ByteIOContext *s)
     return val;
 }
 
-unsigned long long get_be64(ByteIOContext *s)
+UINT64 get_be64(ByteIOContext *s)
 {
     UINT64 val;
     val = (UINT64)get_be32(s) << 32;
@@ -335,7 +324,7 @@ int url_read_packet(void *opaque, UINT8 *buf, int buf_size)
     return url_read(h, buf, buf_size);
 }
 
-int url_seek_packet(void *opaque, long long offset, int whence)
+int url_seek_packet(void *opaque, INT64 offset, int whence)
 {
     URLContext *h = opaque;
     url_seek(h, offset, whence);
diff --git a/libav/ffm.c b/libav/ffm.c
index 76e7613286..80f41ff0f0 100644
--- a/libav/ffm.c
+++ b/libav/ffm.c
@@ -16,13 +16,8 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
 #include "avformat.h"
+#include <unistd.h>
 
 /* The FFM file is made of blocks of fixed size */
 #define FFM_HEADER_SIZE 14
@@ -345,7 +340,7 @@ static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
     if (!url_is_streamed(pb)) {
         ffm->file_size = url_filesize(url_fileno(pb));
     } else {
-        ffm->file_size = (1ULL << 63) - 1;
+        ffm->file_size = (UINT64_C(1) << 63) - 1;
     }
 
     s->nb_streams = get_be32(pb);
diff --git a/libav/file.c b/libav/file.c
index 0b255341c8..2294df8055 100644
--- a/libav/file.c
+++ b/libav/file.c
@@ -16,15 +16,17 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <sys/time.h>
-
 #include "avformat.h"
+#include <fcntl.h>
+#ifndef CONFIG_WIN32
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#else
+#include <io.h>
+#define open(fname,oflag,pmode) _open(fname,oflag,pmode)
+#endif /* CONFIG_WIN32 */
+
 
 /* standard file protocol */
 
@@ -38,6 +40,9 @@ static int file_open(URLContext *h, const char *filename, int flags)
     } else {
         access = O_RDONLY;
     }
+#ifdef CONFIG_WIN32
+    access |= O_BINARY;
+#endif
     fd = open(filename, access, 0666);
     if (fd < 0)
         return -ENOENT;
@@ -61,7 +66,11 @@ static int file_write(URLContext *h, unsigned char *buf, int size)
 static offset_t file_seek(URLContext *h, offset_t pos, int whence)
 {
     int fd = (int)h->priv_data;
+#ifdef CONFIG_WIN32
+    return _lseeki64(fd, pos, whence);
+#else
     return lseek(fd, pos, whence);
+#endif
 }
 
 static int file_close(URLContext *h)
diff --git a/libav/grab.c b/libav/grab.c
index f92cc397e6..00e268d6fd 100644
--- a/libav/grab.c
+++ b/libav/grab.c
@@ -16,18 +16,14 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include "avformat.h"
 #include <linux/videodev.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
-#include <errno.h>
 #include <sys/time.h>
 
-#include "avformat.h"
 
 typedef struct {
     int fd;
diff --git a/libav/http.c b/libav/http.c
index 824f98b9e3..b7a363e7de 100644
--- a/libav/http.c
+++ b/libav/http.c
@@ -16,11 +16,8 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include "avformat.h"
 #include <unistd.h>
-#include <errno.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -28,7 +25,6 @@
 #include <arpa/inet.h>
 #include <netdb.h>
 
-#include "avformat.h"
 
 /* XXX: POST protocol is not completly implemented because ffmpeg use
    only a subset of it */
diff --git a/libav/img.c b/libav/img.c
index d6fafd4798..04c35c2132 100644
--- a/libav/img.c
+++ b/libav/img.c
@@ -16,14 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include <math.h>
-
 #include "avformat.h"
 
 #define IMGFMT_YUV     1
@@ -336,7 +328,7 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
 
             /* XXX: hack hack */
             h = url_fileno(f);
-            img_size = lseek((int)h->priv_data, 0, SEEK_END);
+            img_size = url_seek(h, 0, SEEK_END);
             if (infer_size(&s->width, &s->height, img_size) < 0) {
                 goto fail1;
             }
diff --git a/libav/jpegenc.c b/libav/jpegenc.c
index d02332cd79..ac73a16e72 100644
--- a/libav/jpegenc.c
+++ b/libav/jpegenc.c
@@ -16,10 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <netinet/in.h>
-#include <string.h>
 #include "avformat.h"
 
 /* Multipart JPEG */
diff --git a/libav/libav.dsp b/libav/libav.dsp
new file mode 100644
index 0000000000..e158548cdc
--- /dev/null
+++ b/libav/libav.dsp
@@ -0,0 +1,160 @@
+# Microsoft Developer Studio Project File - Name="libav" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Static Library" 0x0104
+
+CFG=libav - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "libav.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "libav.mak" CFG="libav - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "libav - Win32 Release" (based on "Win32 (x86) Static Library")
+!MESSAGE "libav - Win32 Debug" (based on "Win32 (x86) Static Library")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "libav - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "../Release/libav"
+# PROP Intermediate_Dir "../Release/libav"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
+# ADD CPP /nologo /W3 /GX /O2 /I "../libavcodec" /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
+# ADD BASE RSC /l 0x40c /d "NDEBUG"
+# ADD RSC /l 0x40c /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LIB32=link.exe -lib
+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo
+
+!ELSEIF  "$(CFG)" == "libav - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "../Debug/libav"
+# PROP Intermediate_Dir "../Debug/libav"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../libavcodec" /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x40c /d "_DEBUG"
+# ADD RSC /l 0x40c /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LIB32=link.exe -lib
+# ADD BASE LIB32 /nologo
+# SUBTRACT LIB32 /nologo
+
+!ENDIF 
+
+# Begin Target
+
+# Name "libav - Win32 Release"
+# Name "libav - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=.\asf.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\avformat.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\avi.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\avidec.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\avienc.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\avio.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\avio.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\aviobuf.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\file.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\img.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\jpegenc.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\mpeg.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\raw.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\rm.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\swf.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\utils.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\wav.c
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# End Group
+# End Target
+# End Project
diff --git a/libav/mpeg.c b/libav/mpeg.c
index 86e3af6184..57dae4c5f5 100644
--- a/libav/mpeg.c
+++ b/libav/mpeg.c
@@ -16,13 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/time.h>
-
 #include "avformat.h"
 
 #define MAX_PAYLOAD_SIZE 4096
@@ -67,7 +60,7 @@ typedef struct {
 #define VIDEO_ID 0xe0
 
 static int put_pack_header(AVFormatContext *ctx, 
-                           UINT8 *buf, long long timestamp)
+                           UINT8 *buf, INT64 timestamp)
 {
     MpegMuxContext *s = ctx->priv_data;
     PutBitContext pb;
@@ -76,11 +69,11 @@ static int put_pack_header(AVFormatContext *ctx,
 
     put_bits(&pb, 32, PACK_START_CODE);
     put_bits(&pb, 4, 0x2);
-    put_bits(&pb, 3, (timestamp >> 30) & 0x07);
+    put_bits(&pb, 3, (UINT32)((timestamp >> 30) & 0x07));
     put_bits(&pb, 1, 1);
-    put_bits(&pb, 15, (timestamp >> 15) & 0x7fff);
+    put_bits(&pb, 15, (UINT32)((timestamp >> 15) & 0x7fff));
     put_bits(&pb, 1, 1);
-    put_bits(&pb, 15, (timestamp) & 0x7fff);
+    put_bits(&pb, 15, (UINT32)((timestamp) & 0x7fff));
     put_bits(&pb, 1, 1);
     put_bits(&pb, 1, 1);
     put_bits(&pb, 22, s->mux_rate);
@@ -281,8 +274,8 @@ static void flush_packet(AVFormatContext *ctx, int stream_index)
              (0x02 << 4) | 
              (((timestamp >> 30) & 0x07) << 1) | 
              1);
-    put_be16(&ctx->pb, (((timestamp >> 15) & 0x7fff) << 1) | 1);
-    put_be16(&ctx->pb, (((timestamp) & 0x7fff) << 1) | 1);
+    put_be16(&ctx->pb, (UINT16)((((timestamp >> 15) & 0x7fff) << 1) | 1));
+    put_be16(&ctx->pb, (UINT16)((((timestamp) & 0x7fff) << 1) | 1));
 
     if (startcode == PRIVATE_STREAM_1) {
         put_byte(&ctx->pb, id);
@@ -494,7 +487,6 @@ static int mpeg_mux_read_header(AVFormatContext *s,
             codec_id = 0;
             n = 0;
         }
-        
         for(i=0;i<n;i++) {
             st = av_mallocz(sizeof(AVStream));
             if (!st)
diff --git a/libav/raw.c b/libav/raw.c
index 47dfa3b0fe..ecdce89492 100644
--- a/libav/raw.c
+++ b/libav/raw.c
@@ -16,11 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <errno.h>
 #include "avformat.h"
 
 /* simple formats */
diff --git a/libav/rm.c b/libav/rm.c
index 8c850400e4..d987ba30ca 100644
--- a/libav/rm.c
+++ b/libav/rm.c
@@ -16,11 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <errno.h>
-
 #include "avformat.h"
 
 /* in ms */
@@ -330,12 +325,15 @@ static int rm_write_header(AVFormatContext *s)
 
 static int rm_write_audio(AVFormatContext *s, UINT8 *buf, int size)
 {
-    UINT8 buf1[size];
+    UINT8 *buf1;
     RMContext *rm = s->priv_data;
     ByteIOContext *pb = &s->pb;
     StreamInfo *stream = rm->audio_stream;
     int i;
 
+    /* XXX: suppress this malloc */
+    buf1= (UINT8*) malloc( size * sizeof(UINT8) );
+    
     write_packet_header(s, stream, size, stream->enc->key_frame);
     
     /* for AC3, the words seems to be reversed */
@@ -346,6 +344,7 @@ static int rm_write_audio(AVFormatContext *s, UINT8 *buf, int size)
     put_buffer(pb, buf1, size);
     put_flush_packet(pb);
     stream->nb_frames++;
+    free(buf1);
     return 0;
 }
 
diff --git a/libav/swf.c b/libav/swf.c
index a93c4f7097..879d7cdb93 100644
--- a/libav/swf.c
+++ b/libav/swf.c
@@ -16,15 +16,8 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-
 #include "avformat.h"
 
-#include <assert.h>
-
 /* should have a generic way to indicate probable size */
 #define DUMMY_FILE_SIZE   (100 * 1024 * 1024)
 #define DUMMY_DURATION    600 /* in seconds */
@@ -51,8 +44,8 @@
 #define SHAPE_ID  1
 
 typedef struct {
-    long long duration_pos;
-    long long tag_pos;
+    offset_t duration_pos;
+    offset_t tag_pos;
     int tag;
 } SWFContext;
 
@@ -76,7 +69,7 @@ static void put_swf_end_tag(AVFormatContext *s)
 {
     SWFContext *swf = s->priv_data;
     ByteIOContext *pb = &s->pb;
-    long long pos;
+    offset_t pos;
     int tag_len, tag;
 
     pos = url_ftell(pb);
@@ -237,7 +230,7 @@ static int swf_write_header(AVFormatContext *s)
     put_swf_rect(pb, 0, width, 0, height);
     put_le16(pb, (rate * 256) / FRAME_RATE_BASE); /* frame rate */
     swf->duration_pos = url_ftell(pb);
-    put_le16(pb, DUMMY_DURATION * (INT64)rate / FRAME_RATE_BASE); /* frame count */
+    put_le16(pb, (UINT16)(DUMMY_DURATION * (INT64)rate / FRAME_RATE_BASE)); /* frame count */
     
     /* define a shape with the jpeg inside */
 
diff --git a/libav/udp.c b/libav/udp.c
index 329653bf18..f761832177 100644
--- a/libav/udp.c
+++ b/libav/udp.c
@@ -16,19 +16,14 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include "avformat.h"
 #include <unistd.h>
-#include <errno.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 
-#include "avformat.h"
-
 typedef struct {
     int udp_socket;
     int max_payload_size; /* in bytes */
diff --git a/libav/utils.c b/libav/utils.c
index 33949b6fe1..b5f4697de9 100644
--- a/libav/utils.c
+++ b/libav/utils.c
@@ -16,16 +16,17 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include "avformat.h"
+#ifndef CONFIG_WIN32
 #include <unistd.h>
 #include <fcntl.h>
-#include <errno.h>
 #include <sys/time.h>
 #include <time.h>
-
-#include "avformat.h"
+#else
+#define strcasecmp _stricmp
+#include <sys/types.h>
+#include <sys/timeb.h>
+#endif
 
 AVFormat *first_format;
 
@@ -141,7 +142,9 @@ void register_all(void)
     register_avformat(&wav_format);
     register_avformat(&pcm_format);
     register_avformat(&rawvideo_format);
+#ifndef CONFIG_WIN32
     register_avformat(&ffm_format);
+#endif
     register_avformat(&pgm_format);
     register_avformat(&ppm_format);
     register_avformat(&pgmyuv_format);
@@ -152,10 +155,14 @@ void register_all(void)
 
     register_protocol(&file_protocol);
     register_protocol(&pipe_protocol);
+#ifdef CONFIG_GRAB
     register_protocol(&audio_protocol);
     register_protocol(&video_protocol);
+#endif
+#ifndef CONFIG_WIN32
     register_protocol(&udp_protocol);
     register_protocol(&http_protocol);
+#endif
 }
 
 /* memory handling */
@@ -422,9 +429,15 @@ int parse_image_size(int *width_ptr, int *height_ptr, const char *str)
 
 INT64 gettime(void)
 {
+#ifdef CONFIG_WIN32
+    struct _timeb tb;
+    _ftime(&tb);
+    return ((INT64)tb.time * INT64_C(1000) + (INT64)tb.millitm) * INT64_C(1000);
+#else
     struct timeval tv;
     gettimeofday(&tv,NULL);
     return (INT64)tv.tv_sec * 1000000 + tv.tv_usec;
+#endif
 }
 
 /* syntax: [YYYY-MM-DD ][[HH:]MM:]SS[.m...] . Return the date in micro seconds since 1970 */
diff --git a/libav/wav.c b/libav/wav.c
index 9f430bb2f6..c3a430df54 100644
--- a/libav/wav.c
+++ b/libav/wav.c
@@ -16,11 +16,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <errno.h>
 #include "avformat.h"
 #include "avi.h"
 
@@ -77,7 +72,7 @@ static int wav_write_trailer(AVFormatContext *s)
         /* update file size */
         file_size = url_ftell(pb);
         url_fseek(pb, 4, SEEK_SET);
-        put_le32(pb, file_size);
+        put_le32(pb, (UINT32)file_size);
         url_fseek(pb, file_size, SEEK_SET);
 
         put_flush_packet(pb);
@@ -89,7 +84,7 @@ static int wav_write_trailer(AVFormatContext *s)
 
 /* return the size of the found tag */
 /* XXX: > 2GB ? */
-static int find_tag(ByteIOContext *pb, int tag1)
+static int find_tag(ByteIOContext *pb, UINT32 tag1)
 {
     unsigned int tag;
     int size;