Added error when no SPS/PPS are found in the .264 bitstream
Added error when no SPS/PPS are found in the .264 bitstream

DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf,DmitrySigaev/gpac-sf