From bd58e7f730b45e893df2065cd1cf7af3b545e2bf Mon Sep 17 00:00:00 2001 From: Loren Merritt Date: Mon, 25 Feb 2008 05:46:53 +0000 Subject: [PATCH] remove a memcpy Originally committed as revision 12193 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/pngdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index 1afadd936f..abff1da77b 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -262,8 +262,8 @@ static void png_handle_row(PNGDecContext *s) if (s->color_type == PNG_COLOR_TYPE_RGB_ALPHA) { png_filter_row(&s->dsp, s->tmp_row, s->crow_buf[0], s->crow_buf + 1, s->last_row, s->row_size, s->bpp); - memcpy(s->last_row, s->tmp_row, s->row_size); convert_to_rgb32(ptr, s->tmp_row, s->width); + FFSWAP(uint8_t*, s->last_row, s->tmp_row); } else { /* in normal case, we avoid one copy */ if (s->y == 0) @@ -289,7 +289,7 @@ static void png_handle_row(PNGDecContext *s) break; png_filter_row(&s->dsp, s->tmp_row, s->crow_buf[0], s->crow_buf + 1, s->last_row, s->pass_row_size, s->bpp); - memcpy(s->last_row, s->tmp_row, s->pass_row_size); + FFSWAP(uint8_t*, s->last_row, s->tmp_row); got_line = 1; } if ((png_pass_dsp_ymask[s->pass] << (s->y & 7)) & 0x80) {