/*
* PNG image format
- * Copyright (c) 2003 Fabrice Bellard.
+ * Copyright (c) 2003 Fabrice Bellard
*
* This file is part of FFmpeg.
*
/* compute the row size of an interleaved pass */
int ff_png_pass_row_size(int pass, int bits_per_pixel, int width);
+void ff_add_png_paeth_prediction(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
+
#endif /* AVCODEC_PNG_H */