// FIXME do something with unavailable reference frames
/* Sort B-frames into display order */
-
- if (h->sps.bitstream_restriction_flag &&
- h->avctx->has_b_frames < h->sps.num_reorder_frames) {
- h->avctx->has_b_frames = h->sps.num_reorder_frames;
- h->low_delay = 0;
- }
-
- if (h->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT &&
- !h->sps.bitstream_restriction_flag) {
- h->avctx->has_b_frames = MAX_DELAYED_PIC_COUNT - 1;
- h->low_delay = 0;
+ if (h->sps.bitstream_restriction_flag ||
- h->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
++ h->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
+ h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, h->sps.num_reorder_frames);
}
+ h->low_delay = !h->avctx->has_b_frames;
+ for (i = 0; 1; i++) {
+ if(i == MAX_DELAYED_PIC_COUNT || cur->poc < h->last_pocs[i]){
+ if(i)
+ h->last_pocs[i-1] = cur->poc;
+ break;
+ } else if(i) {
+ h->last_pocs[i-1]= h->last_pocs[i];
+ }
+ }
+ out_of_order = MAX_DELAYED_PIC_COUNT - i;
+ if( cur->f->pict_type == AV_PICTURE_TYPE_B
+ || (h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > INT_MIN && h->last_pocs[MAX_DELAYED_PIC_COUNT-1] - h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > 2))
+ out_of_order = FFMAX(out_of_order, 1);
+ if (out_of_order == MAX_DELAYED_PIC_COUNT) {
+ av_log(h->avctx, AV_LOG_VERBOSE, "Invalid POC %d<%d\n", cur->poc, h->last_pocs[0]);
+ for (i = 1; i < MAX_DELAYED_PIC_COUNT; i++)
+ h->last_pocs[i] = INT_MIN;
+ h->last_pocs[0] = cur->poc;
+ cur->mmco_reset = 1;
+ } else if(h->avctx->has_b_frames < out_of_order && !h->sps.bitstream_restriction_flag){
+ av_log(h->avctx, AV_LOG_VERBOSE, "Increasing reorder buffer to %d\n", out_of_order);
+ h->avctx->has_b_frames = out_of_order;
+ h->low_delay = 0;
+ }
+
pics = 0;
while (h->delayed_pic[pics])
pics++;