- switch(vqid) {
- case RoQ_ID_MOT:
- apply_motion_8x8(ri, xp, yp, 0, 8, 8);
- break;
- case RoQ_ID_FCC:
- apply_motion_8x8(ri, xp, yp, buf[bpos++], chunk_arg >> 8,
- chunk_arg & 0xff);
- break;
- case RoQ_ID_SLD:
- qcell = ri->qcells + buf[bpos++];
- apply_vector_4x4(ri, xp, yp, ri->cells + qcell->idx[0]);
- apply_vector_4x4(ri, xp+4, yp, ri->cells + qcell->idx[1]);
- apply_vector_4x4(ri, xp, yp+4, ri->cells + qcell->idx[2]);
- apply_vector_4x4(ri, xp+4, yp+4, ri->cells + qcell->idx[3]);
- break;
- case RoQ_ID_CCC:
- for (k = 0; k < 4; k++) {
- x = xp; y = yp;
- if(k & 0x01) x += 4;
- if(k & 0x02) y += 4;
-
- if (vqflg_pos < 0) {
- vqflg = buf[bpos++];
- vqflg |= (buf[bpos++] << 8);
- vqflg_pos = 7;
- }
- vqid = (vqflg >> (vqflg_pos * 2)) & 0x3;
- frame_stats[1][vqid]++;
- vqflg_pos--;
- switch(vqid) {
- case RoQ_ID_MOT:
- apply_motion_4x4(ri, x, y, 0, 8, 8);
- break;
- case RoQ_ID_FCC:
- apply_motion_4x4(ri, x, y, buf[bpos++],
- chunk_arg >> 8, chunk_arg & 0xff);
- break;
- case RoQ_ID_SLD:
- qcell = ri->qcells + buf[bpos++];
- apply_vector_2x2(ri, x, y, ri->cells + qcell->idx[0]);
- apply_vector_2x2(ri, x+2, y, ri->cells + qcell->idx[1]);
- apply_vector_2x2(ri, x, y+2, ri->cells + qcell->idx[2]);
- apply_vector_2x2(ri, x+2, y+2, ri->cells + qcell->idx[3]);
- break;
- case RoQ_ID_CCC:
- apply_vector_2x2(ri, x, y, ri->cells + buf[bpos]);
- apply_vector_2x2(ri, x+2, y, ri->cells + buf[bpos+1]);
- apply_vector_2x2(ri, x, y+2, ri->cells + buf[bpos+2]);
- apply_vector_2x2(ri, x+2, y+2, ri->cells + buf[bpos+3]);
- bpos += 4;
- break;
- }
- }
- break;
- default:
- av_log(ri->avctx, AV_LOG_ERROR, "Unknown vq code: %d\n", vqid);
- }
- }
-
- xpos += 16;
- if (xpos >= ri->avctx->width) {
- xpos -= ri->avctx->width;
- ypos += 16;
- }
- if(ypos >= ri->avctx->height)
- break;
- }
-}
-
-
-static int roq_decode_init(AVCodecContext *avctx)