diff options
Diffstat (limited to 'gst-libs/gst')
| -rw-r--r-- | gst-libs/gst/codecs/gsth264picture.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gst-libs/gst/codecs/gsth264picture.c b/gst-libs/gst/codecs/gsth264picture.c index 90fa1c346..b5a1de5f1 100644 --- a/gst-libs/gst/codecs/gsth264picture.c +++ b/gst-libs/gst/codecs/gsth264picture.c @@ -991,6 +991,22 @@ gst_h264_dpb_perform_memory_management_control_operation (GstH264Dpb * dpb, } picture->mem_mgmt_5 = TRUE; picture->frame_num = 0; + /* When the current picture includes a memory management control operation + equal to 5, after the decoding of the current picture, tempPicOrderCnt + is set equal to PicOrderCnt( CurrPic ), TopFieldOrderCnt of the current + picture (if any) is set equal to TopFieldOrderCnt - tempPicOrderCnt, + and BottomFieldOrderCnt of the current picture (if any) is set equal to + BottomFieldOrderCnt - tempPicOrderCnt. */ + if (picture->field == GST_H264_PICTURE_FIELD_TOP_FIELD) { + picture->top_field_order_cnt = picture->pic_order_cnt = 0; + } else if (picture->field == GST_H264_PICTURE_FIELD_BOTTOM_FIELD) { + picture->bottom_field_order_cnt = picture->pic_order_cnt = 0; + } else { + picture->top_field_order_cnt -= picture->pic_order_cnt; + picture->bottom_field_order_cnt -= picture->pic_order_cnt; + picture->pic_order_cnt = MIN (picture->top_field_order_cnt, + picture->bottom_field_order_cnt); + } break; case 6: /* 8.2.5.4.6 Replace long term reference pictures with current picture. |