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avfilter/drawutils: Fix ff_fill_rectangle() on big endian

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-02-24 23:11:54 +01:00
parent 0d65a7d033
commit 6bc20e84d8
1 changed files with 8 additions and 1 deletions
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9
libavfilter/drawutils.c
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@ -298,6 +298,7 @@ void ff_fill_rectangle(FFDrawContext *draw, FFDrawColor *color,
{ {
int plane, x, y, wp, hp; int plane, x, y, wp, hp;
uint8_t *p0, *p; uint8_t *p0, *p;
FFDrawColor color_tmp = *color;
for (plane = 0; plane < draw->nb_planes; plane++) { for (plane = 0; plane < draw->nb_planes; plane++) {
p0 = pointer_at(draw, dst, dst_linesize, plane, dst_x, dst_y); p0 = pointer_at(draw, dst, dst_linesize, plane, dst_x, dst_y);
@ -306,9 +307,15 @@ void ff_fill_rectangle(FFDrawContext *draw, FFDrawColor *color,
if (!hp) if (!hp)
return; return;
p = p0; p = p0;
if (HAVE_BIGENDIAN && draw->desc->comp[0].depth > 8) {
for (x = 0; 2*x < draw->pixelstep[plane]; x++)
color_tmp.comp[plane].u16[x] = av_bswap16(color_tmp.comp[plane].u16[x]);
}
/* copy first line from color */ /* copy first line from color */
for (x = 0; x < wp; x++) { for (x = 0; x < wp; x++) {
memcpy(p, color->comp[plane].u8, draw->pixelstep[plane]); memcpy(p, color_tmp.comp[plane].u8, draw->pixelstep[plane]);
p += draw->pixelstep[plane]; p += draw->pixelstep[plane];
} }
wp *= draw->pixelstep[plane]; wp *= draw->pixelstep[plane];