static int roq_decode_init(AVCodecContext *avctx) { RoqContext *s = avctx->priv_data; s->avctx = avctx; s->width = avctx->width; s->height = avctx->height; s->last_frame = &s->frames[0]; s->current_frame = &s->frames[1]; avctx->pix_fmt = PIX_FMT_YUV444P; dsputil_init(&s->dsp, avctx); return 0; }