int x_shift;
int yheight;
int i, y;
+ int max_step[4];
+
+ if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
+ return -1;
+
+ if (!is_yuv_planar(desc)) {
+ if (src)
+ return -1; //TODO: Not yet implemented
+
+ av_image_fill_max_pixsteps(max_step, NULL, desc);
+
+ if (padtop || padleft) {
+ memset(dst->data[0], color[0],
+ dst->linesize[0] * padtop + (padleft * max_step[0]));
+ }
+
+ if (padleft || padright) {
+ optr = dst->data[0] + dst->linesize[0] * padtop +
+ (dst->linesize[0] - (padright * max_step[0]));
+ yheight = height - 1 - (padtop + padbottom);
+ for (y = 0; y < yheight; y++) {
+ memset(optr, color[0], (padleft + padright) * max_step[0]);
+ optr += dst->linesize[0];
+ }
+ }
+
+ if (padbottom || padright) {
+ optr = dst->data[0] + dst->linesize[0] * (height - padbottom) -
+ (padright * max_step[0]);
+ memset(optr, color[0], dst->linesize[0] * padbottom +
+ (padright * max_step[0]));
+ }
- if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB ||
- !is_yuv_planar(desc)) return -1;
+ return 0;
+ }
for (i = 0; i < 3; i++) {
x_shift = i ? desc->log2_chroma_w : 0;
(padbottom >> y_shift) + (padright >> x_shift));
}
}
+
return 0;
}