dsputil: Move ff_shrink* function declarations to separate header

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"

libavcodec/dsputil.h

@@ -84,11 +84,6 @@ 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);
 

libavcodec/imgconvert.c

@@ -32,6 +32,7 @@
 
 #include "avcodec.h"
 #include "dsputil.h"
+#include "imgconvert.h"
 #include "internal.h"
 #include "libavutil/colorspace.h"
 #include "libavutil/common.h"

libavcodec/imgconvert.h

+/*
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; 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 */