{
KerndeintContext *kerndeint = inlink->dst->priv;
const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[inlink->format];
+ int ret;
kerndeint->vsub = desc->log2_chroma_h;
kerndeint->pixel_step = av_get_bits_per_pixel(desc) >> 3;
- return av_image_alloc(kerndeint->tmp_data, kerndeint->tmp_bwidth,
+ ret = av_image_alloc(kerndeint->tmp_data, kerndeint->tmp_bwidth,
inlink->w, inlink->h, inlink->format, 1);
+ if (ret < 0)
+ return ret;
+ memset(kerndeint->tmp_data[0], 0, ret);
+ return 0;
}
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *inpic)