diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index b6a56a2807..5f7d6360c7 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -34,6 +34,7 @@
 #include "simple_idct.h"
 #include "faandct.h"
 #include "faanidct.h"
+#include "imgconvert.h"
 #include "mathops.h"
 #include "mpegvideo.h"
 #include "config.h"
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index a5ace52114..c9418c1b6f 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -53,9 +53,6 @@ void ff_fdct_mmx(int16_t *block);
 void ff_fdct_mmxext(int16_t *block);
 void ff_fdct_sse2(int16_t *block);
 
-void ff_svq3_luma_dc_dequant_idct_c(int16_t *output, int16_t *input, int qp);
-void ff_svq3_add_idct_c(uint8_t *dst, int16_t *block, int stride, int qp, int dc);
-
 /* encoding scans */
 extern const uint8_t ff_alternate_horizontal_scan[64];
 extern const uint8_t ff_alternate_vertical_scan[64];
@@ -92,11 +89,6 @@ void ff_avg_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, int stride);
 void ff_put_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, int stride);
 void ff_avg_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, int stride);
 
-/* 1/2^n downscaling functions from imgconvert.c */
-void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
-void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
-void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
-
 void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
               int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
 
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 22e37c3ba9..28d63d914d 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -42,6 +42,7 @@
 #include "golomb.h"
 #include "mathops.h"
 #include "rectangle.h"
+#include "svq3.h"
 #include "thread.h"
 #include "vdpau_internal.h"
 #include "libavutil/avassert.h"
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 09d24899f1..5c3ec39a1c 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -32,6 +32,7 @@
 
 #include "avcodec.h"
 #include "dsputil.h"
+#include "imgconvert.h"
 #include "internal.h"
 #include "libavutil/avassert.h"
 #include "libavutil/colorspace.h"
diff --git a/libavcodec/imgconvert.h b/libavcodec/imgconvert.h
new file mode 100644
index 0000000000..df8cee794f
--- /dev/null
+++ b/libavcodec/imgconvert.h
@@ -0,0 +1,29 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_IMGCONVERT_H
+#define AVCODEC_IMGCONVERT_H
+
+#include <stdint.h>
+
+/* 1/2^n downscaling functions */
+void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
+void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
+void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
+
+#endif /* AVCODEC_IMGCONVERT_H */
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 05832bfb56..855afab75d 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -57,6 +57,7 @@
 #endif
 
 #include "svq1.h"
+#include "svq3.h"
 
 /**
  * @file
diff --git a/libavcodec/svq3.h b/libavcodec/svq3.h
new file mode 100644
index 0000000000..7a57d8ad01
--- /dev/null
+++ b/libavcodec/svq3.h
@@ -0,0 +1,27 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_SVQ3_H
+#define AVCODEC_SVQ3_H
+
+#include <stdint.h>
+
+void ff_svq3_luma_dc_dequant_idct_c(int16_t *output, int16_t *input, int qp);
+void ff_svq3_add_idct_c(uint8_t *dst, int16_t *block, int stride, int qp, int dc);
+
+#endif /* AVCODEC_DSPUTIL_H */