/* rectangles are AV_PIX_FMT_PAL8, but we have no guarantee that the
palettes for all rectangles are identical or compatible */
- ist->st->codec->pix_fmt = AV_PIX_FMT_RGB32;
+ ist->resample_pix_fmt = ist->st->codec->pix_fmt = AV_PIX_FMT_RGB32;
ret = av_image_alloc(image, linesize, w, h, AV_PIX_FMT_RGB32, 32);
if (ret < 0)