}
if (!(s->pic_state & PNG_IDAT)) {
/* init image info */
- avctx->width = s->width;
- avctx->height = s->height;
+ ret = ff_set_dimensions(avctx, s->width, s->height);
+ if (ret < 0)
+ return ret;
s->channels = ff_png_get_nb_channels(s->color_type);
s->bits_per_pixel = s->bit_depth * s->channels;