ff_png_pass_row_size   60 libavcodec/png.h int ff_png_pass_row_size(int pass, int bits_per_pixel, int width);
ff_png_pass_row_size  400 libavcodec/pngdec.c                         s->pass_row_size = ff_png_pass_row_size(s->pass,
ff_png_pass_row_size  732 libavcodec/pngdec.c             s->pass_row_size = ff_png_pass_row_size(s->pass,
ff_png_pass_row_size  469 libavcodec/pngenc.c             pass_row_size = ff_png_pass_row_size(pass, s->bits_per_pixel, pict->width);