assert(mb_y < s->mb_height);
init_get_bits(&s->gb, *buf, buf_size * 8);
+ if(s->codec_id != CODEC_ID_MPEG1VIDEO && s->mb_height > 2800/16)
+ skip_bits(&s->gb, 3);
ff_mpeg1_clean_buffers(s);
s->interlaced_dct = 0;
start_code = -1;
buf = avpriv_mpv_find_start_code(buf, s->gb.buffer_end, &start_code);
- mb_y= (start_code - SLICE_MIN_START_CODE) << field_pic;
+ mb_y= start_code - SLICE_MIN_START_CODE;
+ if(s->codec_id != CODEC_ID_MPEG1VIDEO && s->mb_height > 2800/16)
+ mb_y += (*buf&0xE0)<<2;
+ mb_y <<= field_pic;
if (s->picture_structure == PICT_BOTTOM_FIELD)
mb_y++;
if (mb_y < 0 || mb_y >= s->end_mb_y)
if (start_code >= SLICE_MIN_START_CODE &&
start_code <= SLICE_MAX_START_CODE && last_code != 0) {
const int field_pic = s2->picture_structure != PICT_FRAME;
- int mb_y = (start_code - SLICE_MIN_START_CODE) << field_pic;
+ int mb_y = start_code - SLICE_MIN_START_CODE;
last_code = SLICE_MIN_START_CODE;
+ if(s2->codec_id != CODEC_ID_MPEG1VIDEO && s2->mb_height > 2800/16)
+ mb_y += (*buf_ptr&0xE0)<<2;
+ mb_y <<= field_pic;
if (s2->picture_structure == PICT_BOTTOM_FIELD)
mb_y++;