if (extradata && !memcmp(extradata, "SEQH", 4)) {
GetBitContext gb;
+ int frame_size_code;
size = AV_RB32(&extradata[4]);
init_get_bits(&gb, extradata + 8, size*8);
/* 'frame size code' and optional 'width, height' */
- if (get_bits(&gb, 3) == 7) {
- skip_bits(&gb, 12);
- skip_bits(&gb, 12);
+ frame_size_code = get_bits(&gb, 3);
+ switch (frame_size_code) {
+ case 0: avctx->width = 160; avctx->height = 120; break;
+ case 1: avctx->width = 128; avctx->height = 96; break;
+ case 2: avctx->width = 176; avctx->height = 144; break;
+ case 3: avctx->width = 352; avctx->height = 288; break;
+ case 4: avctx->width = 704; avctx->height = 576; break;
+ case 5: avctx->width = 240; avctx->height = 180; break;
+ case 6: avctx->width = 320; avctx->height = 240; break;
+ case 7:
+ avctx->width = get_bits(&gb, 12);
+ avctx->height = get_bits(&gb, 12);
+ break;
}
h->halfpel_flag = get_bits1(&gb);