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diff --git a/thirdparties/iphone/include/libavcore/imgutils.h b/thirdparties/iphone/include/libavcore/imgutils.h
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+/*
+ * 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 AVCORE_IMGUTILS_H
+#define AVCORE_IMGUTILS_H
+
+/**
+ * @file
+ * misc image utilities
+ */
+
+#include "libavutil/pixfmt.h"
+#include "avcore.h"
+
+/**
+ * Fill plane linesizes for an image with pixel format pix_fmt and
+ * width width.
+ *
+ * @param linesizes array to be filled with the linesize for each plane
+ * @return >= 0 in case of success, a negative error code otherwise
+ */
+int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width);
+
+/**
+ * Fill plane data pointers for an image with pixel format pix_fmt and
+ * height height.
+ *
+ * @param data pointers array to be filled with the pointer for each image plane
+ * @param ptr the pointer to a buffer which will contain the image
+ * @param linesizes[4] the array containing the linesize for each
+ * plane, should be filled by av_fill_image_linesizes()
+ * @return the size in bytes required for the image buffer, a negative
+ * error code in case of failure
+ */
+int av_fill_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
+ uint8_t *ptr, const int linesizes[4]);
+
+#endif /* AVCORE_IMGUTILS_H */
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