Restore seeking to one second before target.
Restore seeking to one second before target.

Since Ivan Schreter's FFmpeg mpegts new-seek patches were disabled, this
is temporarily required for H.264 MPEG2-TS.

wideioltd/mlt,zzhhui/mlt,j-b-m/mlt,zzhhui/mlt,xzhavilla/mlt,ttill/MLT-roto-tracking,gmarco/mlt-orig,ttill/MLT,xzhavilla/mlt,mltframework/mlt,gmarco/mlt-orig,xzhavilla/mlt,ttill/MLT-roto,wideioltd/mlt,ttill/MLT,ttill/MLT,mltframework/mlt,mltframework/mlt,anba8005/mlt,j-b-m/mlt,mltframework/mlt,ttill/MLT-roto-tracking,ttill/MLT,siddharudh/mlt,anba8005/mlt,ttill/MLT,gmarco/mlt-orig,mltframework/mlt,anba8005/mlt,j-b-m/mlt,zzhhui/mlt,gmarco/mlt-orig,wideioltd/mlt,j-b-m/mlt,anba8005/mlt,ttill/MLT-roto,zzhhui/mlt,mltframework/mlt,ttill/MLT-roto,ttill/MLT-roto-tracking,mltframework/mlt,mltframework/mlt,wideioltd/mlt,ttill/MLT-roto,siddharudh/mlt,xzhavilla/mlt,ttill/MLT,wideioltd/mlt,siddharudh/mlt,ttill/MLT-roto,ttill/MLT,xzhavilla/mlt,siddharudh/mlt,ttill/MLT-roto-tracking,ttill/MLT,xzhavilla/mlt,gmarco/mlt-orig,ttill/MLT-roto-tracking,siddharudh/mlt,anba8005/mlt,ttill/MLT-roto,zzhhui/mlt,ttill/MLT-roto,anba8005/mlt,ttill/MLT-roto,j-b-m/mlt,gmarco/mlt-orig,mltframework/mlt,gmarco/mlt-orig,j-b-m/mlt,j-b-m/mlt,j-b-m/mlt,zzhhui/mlt,xzhavilla/mlt,j-b-m/mlt,ttill/MLT,ttill/MLT-roto,xzhavilla/mlt,siddharudh/mlt,zzhhui/mlt,xzhavilla/mlt,ttill/MLT-roto-tracking,wideioltd/mlt,wideioltd/mlt,siddharudh/mlt,wideioltd/mlt,zzhhui/mlt,ttill/MLT-roto-tracking,anba8005/mlt,zzhhui/mlt,anba8005/mlt,siddharudh/mlt,siddharudh/mlt,wideioltd/mlt,ttill/MLT-roto-tracking,ttill/MLT-roto-tracking,gmarco/mlt-orig,anba8005/mlt,gmarco/mlt-orig,j-b-m/mlt,mltframework/mlt