diff options
Diffstat (limited to 'libavcodec/dsputil.c')
| -rw-r--r-- | libavcodec/dsputil.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index b293642b1d..d4e538cd07 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -298,7 +298,7 @@ static int sse16_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) /* draw the edges of width 'w' of an image of size width, height */ //FIXME check that this is ok for mpeg4 interlaced -static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w) +static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w, int sides) { uint8_t *ptr, *last_line; int i; @@ -306,8 +306,8 @@ static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w) last_line = buf + (height - 1) * wrap; for(i=0;i<w;i++) { /* top and bottom */ - memcpy(buf - (i + 1) * wrap, buf, width); - memcpy(last_line + (i + 1) * wrap, last_line, width); + if (sides&EDGE_TOP) memcpy(buf - (i + 1) * wrap, buf, width); + if (sides&EDGE_BOTTOM) memcpy(last_line + (i + 1) * wrap, last_line, width); } /* left and right */ ptr = buf; @@ -318,10 +318,15 @@ static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w) } /* corners */ for(i=0;i<w;i++) { - memset(buf - (i + 1) * wrap - w, buf[0], w); /* top left */ - memset(buf - (i + 1) * wrap + width, buf[width-1], w); /* top right */ - memset(last_line + (i + 1) * wrap - w, last_line[0], w); /* top left */ - memset(last_line + (i + 1) * wrap + width, last_line[width-1], w); /* top right */ + if (sides&EDGE_TOP) { + memset(buf - (i + 1) * wrap - w, buf[0], w); /* top left */ + memset(buf - (i + 1) * wrap + width, buf[width-1], w); /* top right */ + } + + if (sides&EDGE_BOTTOM) { + memset(last_line + (i + 1) * wrap - w, last_line[0], w); /* top left */ + memset(last_line + (i + 1) * wrap + width, last_line[width-1], w); /* top right */ + } } } |